Compartment fire scenarios are of great interest due to the large loss of life and property that occurs annually in such fires. Due to the current move towards performance-based building code standards and the increasing acceptance by the regulatory system of model results, there is a growing need for detailed compartment fire data to demonstrate the accuracy of such engineering tools as they are used to ascertain performance. A series of carefully designed full-scale room/corner tests on two vinyl ester resin composite systems have been conducted in a heavily instrumented compartment to provide compartment fire data for the calibration of engineering tools. The two composite systems were chosen based on their thermal behavior. A nominally thermally-thick glass-reinforced plastic (GRP) skin was desirable, as many analytical formulations have been developed using semi-infinite assumptions. A "thermally-thin" skin panel typical of that used in fast ferry construction, consisting of a GRP skin over a balsa core, was also tested. The test protocol used throughout the room/corner experiments was a modification of the ISO 9705 standard where the HRR of the ignition fire was varied according to the Critical Ignition Source Strength concept. To date, there has been little work done where heat fluxes from compartment fires have been measured. Therefore, one of the key data components developed in this series of tests are heat flux measurements from thin skin calorimeters. A total of twenty-five thin skin calorimeters, constructed of Inconel plates, were located throughout the room: the spatial distribution of net and incident heat fluxes within compartment for both pre- and post-flashover conditions have been determined. Additionally, rakes of bare-bead thermocouples were placed in the vent and the corner of the room coincident with the thin skin calorimeter arrays. A third rake was placed in the center of the room. The thermocouple arrays provide data regarding layer temperatures and interface heights as well as a limited determination of temperature spatial distribution within the compartment. The thermocouple rakes also permit calculation of pressure gradients across and mass flows through the vent, thus providing information regarding wall lining fire entrainment rates, of use in corner fire algorithm validations and for globally evaluating the accuracy of CFD codes. Bench-scale cone calorimeter (ASTM E1354, ISO 5660) tests have been carried out on the two composite systems to gather material fire properties necessary as model inputs for fire spread algorithms. The present study developed material properties including heat release rate, species production, and ignition data for the two composite systems. Included are uncertainty bands that account for calculation and instrument uncertainty.

Examined in this study were some physical, mechanical, compositional and durability properties of AAC, its neighboring plasters and jointing adhesive, all of which were produced in Turkey. The compatibility of these materials inside the contemporary wall section and within historic fabric was discussed in terms of their material properties. In addition to the literature survey, laboratory studies were conducted on two types of AAC as G2 and G4, its jointing adhesive and exterior finishing layers as base coat, under coat, finish coat, water repellent finish coat / and some historical traditional construction materials of Anatolia as timber, masonry and infill brick, lime based exterior and interior plasters. The results were evaluated in terms of material properties of AAC, the compatibility of AAC and its complementary elements with each other and with the historic timber framed structures in Anatolia. It was concluded that the use of AAC in repairs of historical structures could be discussed only if the original infill is lost. In addition, its cement-plasters should be avoided from the historic fabric since they introduce salt problems to the structure. In terms of vapor permeability and modulus of elasticity, water repellent finish coat was proper finishing for AAC, and AAC, especially G4, exhibited similarities with historic infill mud brick. Further studies on other compatibility parameters were, however, necessary to decide on the compatibility of AAC with its neighboring materials. Moreover, the integrity of AAC with the historic fabric needed improvement by increasing its pozzolanicity and/or producing a new intermediary repair mortar/plaster.

This thesis is intended to help eliminate misconceptions and missing information over the realm of smart materials, by offering a newly structured &lsquo / Information Hierarchy for Smart Materials Communication for Industrial / Product Design&rsquo / . Industrial and product designers are invited to use the findings of the thesis to assist in developing a common smart materials language and culture, enriched by details, technicalities, opportunities, and creative and innovative material attributes. The study commences with the creation of a concise and compact reservoir of technical knowledge on smart materials and critically contrasts two established systems of classification for smart materials. Then, the subject of materials information appropriate to industrial design is discussed, highlighting channels through which smart materials information may be communicated at an optimum level so as to be amenable to exploitation by industrial designers. A sectoral analysis of smart materials use follows, including the presentation of factors that may hinder their more extensive exploitation in major industrial sectors. v The thesis concludes that smart materials have potential to initiate a breakthrough in the materials universe, and that industrial designers have a role in promoting smart materials knowledge, the capabilities of smart materials, and their innovation possibilities. It is recomended that since smart materials are a new generation of materials quite different from the conventional, they be promoted carefully through the proposed Information Hierarchy.

<p>Demands for energy have been increasing in the whole world. According to higher consumption, the price of energy rises yearly too. This evokes usage of insulating products in a wider range. By adding insulation, we lower the amount of energy needed to heat our homes, resulting in fewer associated greenhouse gas emissions and a lower monthly heating bill. Savings depend on insulation thicknesses and on conditions, in which the insulant is kept. Mineral insulation based on stone wool is also a member of building insulants that defends buildings and constructions against temperature changes of the ambient. However, even when we use modern technologies and building techniques to reduce high energy losses, we can never provide unimpeachable protection of stone wool from damage. During a construction process on a building site or at fast climate changes, it often happens that stone wool is exposed to rain precipitaions or other climate effets. This brings water to the insulating structure. Besides the loss of insulating qualities, the stone wool is left permanently wet. Even the fibres of stone wool are inorganic, they still can be attacked by degradation processes due to organic agents fixing fibres together. Analysis of damaged flat-roof constructions using stone wool and verification of material properties is a starting point of this licentiate thesis.</p><p>The attached paper section can be divided into two parts:</p><p>In-situ practice that notes troubles with insulating materials based on stone wool with inbuilt moisture on a building site</p><p>Laboratory measurement that observe material properties of stone wool under varying conditions</p>

Σκοπός της παρούσας Διπλωματικής Εργασίας είναι η μελέτη της εξέλιξης της νόσου της οστεοπόρωσης στη σπονδυλική στήλη με τη χρήση της μεθόδου των πεπερασμένων στοιχείων. Συγκεκριμένα, μοντελοποιείται η εφαρμογή θλιπτικού φορτίου στον δωδέκατο θωρακικό σπόνδυλο ασθενούς με οστεοπόρωση σε δύο διαδοχικές καταστάσεις – πριν και ένα χρόνο μετά την χορήγηση φαρμακευτικής αγωγής. Επιπλέον, κατά τη μελέτη, δοκιμάστηκαν διαφορετικές αποδόσεις μηχανικών ιδιοτήτων (μέτρο ελαστικότητας και βαθμός ανισοτροπίας) στο οστό, αρχικά στο μοντέλο ενός υγιούς σπονδύλου και στη συνέχεια στο εν λόγω μοντέλο του οστεοπορωτικού. Όλα τα μοντέλα κατασκευάστηκαν με την ίδια μεθοδολογία. Η σύγκριση τόσο των δύο καταστάσεων της νόσου, όσο και των διαφορετικών αποδόσεων των μηχανικών ιδιοτήτων, γίνεται βάσει των ισοδύναμων Τάσεων και Παραμορφώσεων κατά von Mises και των Μετατοπίσεων κατά τον οβελιαίο άξονα z. Οι υπό εξέταση μέγιστες τιμές των προαναφερθέντων μεγεθών που προκύπτουν από την ανάλυση πεπερασμένων στοιχείων, παρουσιάζουν μείωση στη δεύτερη κατάσταση. Επιπλέον, τα αποτελέσματα της διαφορετικής απόδοσης μηχανικών ιδιοτήτων, μαρτυρούν ότι ο βαθμός ανισοτροπίας και ο τρόπος συσχέτισης του μέτρου ελαστικότητας με την οστική πυκνότητα, επηρεάζουν το αποτέλεσμα της μηχανικής ανάλυσης. Παρόλα αυτά, η συγκριτική αξιολόγηση των δύο διαδοχικών καταστάσεων του σπονδύλου δεν φαίνεται να επηρεάζεται από τον τρόπο ορισμού των μηχανικών ιδιοτήτων. Γενικά, η αλλαγή που παρατηρείται στις αξονικές τομογραφίες της δεύτερης κατάστασης σε σχέση με την πρώτη σε συνδυασμό με τη μεταβολή των υπό εξέταση μεγεθών, ιδιαίτερα της ισοδύναμης Παραμόρφωσης κατά von Mises, οδηγούν στο συμπέρασμα ότι στη δεύτερη κατάσταση ο υπό εξέταση σπόνδυλος καταπονείται λιγότερο που σημαίνει ότι η ακολουθούμενη φαρμακευτική αγωγή έχει θετικά αποτελέσματα. / The purpose of this master thesis is to perform a computational (finite element, FEM) study on the progress of the spinal osteoporosis, between two sequential examinations consisting of CT scanning. For this purpose, two finite element models of the twelfth thoracic vertebra of a patient with osteoporosis were created, one for every examination – before and one year after the prescription of medication – and compression loading was simulated. Moreover, a material sensitivity study has taken place, first on a FE model of a healthy vertebra and then on the two models of the osteoporotic one. All FE models were created with the same methodology. For the comparison of the two sequential examinations, as well as of the different material assignment, three mechanical quantities were used: equivalent von Mises Stress, equivalent von Mises Strain and Displacement on the sagittal axis (z). From the output of FE analysis, it seems that the maximum values of the beforementioned quantities decrease in the second model of the osteoporotic vertebra. Also, it becomes clear that the degree of anisotropy and the correlation of bone mineral density vs. Young’s modulus, significantly affect the output of FE analysis. However, the comparison of the two osteoporotic models is not affected by the material assignment. As a conclusion, there is a remarkable change in the CT scans of the second examination combined with a reduction of the strains in the vertebra - coming as a result of the FE analysis - that shows the positive influence of the prescribed medication.

Η διατριβή αποσκοπεί στην ανάπτυξη κατάλληλης μεθοδολογίας και των αντίστοιχων υπολογιστικών εργαλείων με σκοπό τον προσδιορισμό της αξιοπιστίας κατασκευών από σύνθετα υλικά, όταν λαμβάνεται υπόψη όχι μόνο η στοχαστικότητα της φόρτισης και των ιδιοτήτων αντοχής του ορθότροπου υλικού, αλλά και η μεταβλητότητα των ελαστικών του ιδιοτήτων και των συντελεστών θερμικής διαστολής. Ταυτόχρονα, στόχος της εργασίας είναι η μέθοδος που θα αναπτυχθεί να είναι ευκολόχρηστη και αρκετά ακριβής, ώστε να καταστεί πρακτική για χρήση σε σχεδιασμό τέτοιων κατασκευών όπου μέχρι το τελικό αποτέλεσμα απαιτούνται πολλές επαναληπτικές δοκιμές. Στην εργασία διερευνάται η μεταβλητότητα των μηχανικών ιδιοτήτων συνθέτων υλικών, κυρίως αυτών που χρησιμοποιούνται στην κατασκευή πτερυγίων Ανεμογεννητριών, η στατιστική μοντελοποίηση της, καθώς και μέθοδοι για τον προσδιορισμό της αξιοπιστίας της κατασκευής. Επικεντρώνοντας το ενδιαφέρον στον δομικό σχεδιασμό πτερυγίων ανεμογεννητριών αναπτύχθηκε κατάλληλο υπολογιστικό εργαλείο για την εκτίμηση της αξιοπιστίας του πτερυγίου υπό στατική φόρτιση, στο επίπεδο της στρώσης του υλικού λαμβάνοντας υπόψη την στοχαστικότητα των ελαστικών-θερμικών ιδιοτήτων και των ιδιοτήτων αντοχής του υλικού, ενώ από την πλευρά της φόρτισης περιλαμβάνεται η μεταβλητότητα τόσο των ορθών τάσεων όσο και των διατμητικών τάσεων που αναπτύσσονται στο επίπεδο της στρώσης, ξεκινώντας από την στοχαστικότητα της εξωτερικής φόρτισης του πτερυγίου. Οι προτεινόμενες μέθοδοι εκτίμησης της πιθανότητας αστοχίας του πτερυγίου ανεμογεννήτριας αποδεικνύονται εφαρμόσιμες και σε άλλες κατασκευές από σύνθετα υλικά, με κύριο γνώρισμά τους την παραλαβή της φόρτισης σε μεγάλο βαθμό από το σύνθετο υλικό. / The dissertation aim was to develop a suitable methodology and the relevant numerical tools for the determination of the reliability of composite materials structures, when not only the variability of loading and the orthotropic material strength properties but also the variability of the material's elastic properties and thermal expansion coefficients. In parallel, scope of the work is to develop a method that is easily applicable and relative accurate, so as to be practical for use during the design of such structures, for which a large numbers of iterations is required up to the design final solution. In the current work the variability of the mechanical properties of composite materials, focusing on materials used for manufacturing wind turbine blades, is studied, the statistical modeling of the structure, as well as methods for the estimation of the structural reliability. Concentrating the interest in the structural design of wind turbine blades an adequate numerical tool was developed for the estimation of the wind turbine blade reliability under static loading, at the layer level, taking into account the stochastic material elastic properties, thermal expansion coefficients and strength properties, while on the loading side both the variability of normal and shear stresses which are developed at the layer level is taken into consideration, starting at the variability of the blade's external loading. The proposed methods developed for the failure probability estimation of the wind turbine blade are proved applicable to other composite material structures, as well, for cases where the structural load is undertaken in the largest extend by the composite material.

Les optiques multicouches pour rayons-X sont généralement constituées de centaines de périodes de couches alternées. L'épaisseur d'une période est de quelques nanomètres. Une multicouche est souvent déposée sur un substrat de silicium avec une taille typique de 60 × 60 × (60~300) mm3. Le rapport de dimensions (~107) entre la taille de l'optique et de l'épaisseur de l'empilement est très élevé et il peut conduire à un très grand nombre d'éléments (~1016). Certains éléments spéciaux avec fonctions de couche sont disponibles dans ANSYS (de 2011), ce qui signifie que les propriétés de chaque couche peuvent être définies. Par l'utilisation des éléments nommés « layer-functioned », le modèle d'analyse thermique-structurelle a été mise en œuvre pour les optiques multicouches. Le nombre d'éléments est réduit par un facteur supérieur à 30 et le nombre effectif de sous-couches gérables par les ordinateurs actuels augmente beaucoup. Basé sur la modèle d'éléments finis de l'optique multicouche, la distribution tridimensionnelle non-uniforme de température peut être simulée avec des paramètres variables de charge thermique, de conditions de refroidissement, de propriétés des matériaux, de géométries du substrat et des films de revêtement. Les contraintes et déformations thermiques peuvent être résolues quantitativement.Des miroirs à réflexion totale et des monochromateurs multicouches refroidis à l'eau et à l'azote liquide ont été étudiés avec des paramètres typiques de charge thermique, de refroidissement et de géométrie. Les effets de refroidissement de l'optique et de la charge thermique du faisceau de rayons-X ont été décrits. Il est montré que les influences de la température sur le revêtement et la déformation sont négligeables. La contrainte dans le substrat n'est que légèrement augmentée (<0.1%). Cependant, des fortes contraintes sont induites dans les couches en raison de la différence de CTE, ce qui peut être critique pour la survie de l'optique. Pour la condition de refroidissement à l'eau, la couche est sous contrainte de compression de plusieurs dizaines de MPa, ce qui est normalement inférieur à la résistance du matériau de la couche. Pour la condition de refroidissement à l'azote liquide, cependant, une grosse contrainte de traction de plusieurs centaines de MPa apparait dans la couche lorsque l'optique est refroidie jusqu'à la température de l'azote liquide (80 K). Cette contrainte de traction peut dépasser la résistance à la traction (UTS) pour certains types de matériaux de couche. La contrainte thermique dans l'optique multicouche dépend de la différence de CTE entre le matériau de la couche et le matériau du substrat, mais elle est indépendante de la différence des CTE entre les différentes sous-couches. En principe, pour minimiser la contrainte thermique, le matériau de revêtement doit avoir un CTE proche de celle du substrat, un module de Young et un coefficient de Poisson plus petits. En outre, une grande résistance du matériau de la couche est bénéfique pour sa capacité à résister à la contrainte thermique.Pour obtenir des informations appropriées sur le comportement des multicouches sous l'influence de la charge thermique, des propriétés telles que le module de Young, le ratio entre CTE et module de Poisson des multicouches sont déterminés indirectement en mesurant la variation de la courbure due au changement de température. Des couches simples de B4C, Pd et Cr et des multicouches [Pd/B4C] d'épaisseurs de l'ordre du nanomètre sont préparées et mesurées. Les résultats expérimentaux montrent que tous les matériaux étudiés présentent un CTE et/ou un module de Young inférieur par rapport aux données dans la littérature. Cela est particulièrement vrai pour les couches minces de B4C. Par conséquent, la contrainte thermique réelle et la contrainte dans les couches de revêtement d'un miroir ou de multicouches optiques sont sensiblement plus petites que les résultats calculés avec les propriétés des matériaux massifs. / Multilayer optics for X-rays typically consists of hundreds of periods of alternating sub-layers coated on a silicon substrate. The thickness of one period of sub-layers is a few nanometers. The silicon substrate is typically a block of 60 mm large, 60 mm wide and 60 to 300 mm long. The high aspect ratio (~107) between the size of the optics and the thickness of the multilayer can lead to a very large number of elements (~1016) for the numerical simulation (by FEA). Some special layer-functioned elements have been developed recently (in 2011) in ANSYS, which means the properties of each layer can be explicitly defined. In this work, the thermal-structural analysis model has been implemented for multilayer optics by use of these layer-functioned elements. The number of meshed elements is considerably reduced by a factor of more than 30 and the number of sub-layers feasible for the present computers is increased significantly. Based on the finite element model of multilayer optics, the non-uniform three-dimensional temperature distribution can be simulated with variable heat load parameters, cooling conditions, material properties and geometries of the substrate and the coating films. The thermal stress and deformation can be solved quantitatively.Single layer coated mirrors and multilayer monochromators cooled by water or liquid-nitrogen are studied with typical parameters of heat-load, cooling, and geometry. The effects of cooling-down of the optics and the X-ray beam heat-load are described. It is shown that the influences from the coating on temperature and deformation are negligible. The stress in the substrate is only slightly increased (<0.1%). However, large layer stresses are induced due to the different thermal expansion coefficients (CTE) between the layer and substrate materials, which are the critical issues for the survival of the optics. For the water cooling condition, the layer is under compressive stress of tens of MPa which is normally less than the strength of the layer material. For the liquid-nitrogen cooling condition, however, large tensile stress of several hundreds of MPa is formed in the layer as the optics is cooled more than 200 K down to the liquid-nitrogen temperature (80K). This tensile stress can exceed the ultimate tensile strength (UTS) for some kinds of layer materials. The thermal stress in multilayer optics depends on the difference in CTE between the layer material and the substrate material, but it is independent on the CTE difference between different sub-layers. In principle, to minimize the thermal stress, the coating material should have a CTE closer to that of the substrate, smaller Young's modulus and Poisson's ratio. Moreover, a higher strength of the layer material is beneficial for its ability to withstand the thermal stress.To acquire appropriate information about the behaviour of thin multilayer films under the influence of thermal loading, material properties such as Young's modulus, Poisson's ratio and CTE, of thin multilayer films are determined indirectly by measuring the curvature change due to uniform temperature change. B4C, Pd and Cr single layers and [Pd/B4C] multilayers of thicknesses in the nanometer range are prepared and measured. The experimental results show that all of the studied materials exhibit lower CTE and/or Young's modulus than expected from bulk data in the literature. This is particularly true for the thin B4C films. Therefore, the real thermal stress and strain in the coating layers of a mirror or multilayer optics are significantly smaller than the calculated results with bulk material properties.results with bulk material properties.

M. Sc. / The substitution series CeCu5−xAlx where x 2 {1.0, 1.5, 2.0, 2.1, 2.2, 2.3, 2.4} was synthesized and characterized via x-ray diffraction and scanning electron microscope analysis. All the compounds formed single phase in the P6/mmm hexagonal crystal structure, which pushed the solubility limit of Al within this structure from CeCu3Al2 to CeCu2.6Al2.4. The ascast samples were annealed, but the annealing process had no visible effect on the crystalline nature nor on the physical properties of the samples. The electric, magnetic and thermal properties were measured on Quantum Design’s Physical Properties Measurement System and Magnetic Properties Measurement System. The electrical resistivity showed single-ion Kondo scattering at intermediate temperatures with no signs of coherence for x 2 {1.0, 1.5, 2.0, 2.1, 2.2, 2.3} CeCu2.6Al2.4 on the other hand showed a weak maximum at 2 K, which was the onset of antiferromagnetic ordering confirmed by other measurements. The magnetoresistance was fitted by the Beth´e ansatz spin-1/2 model and the obtained Kondo temperatures had a maximum at CeCu3Al2, with linear dependencies on Al concentration on either side of this point. The Kondo moments followed an exponential dependence on the Al concentration, but these effective moments were far lower than the free-ion value, due to the Kondo interaction. The thermal conductivity in this series was phonon dominated with the magnitude of the electronic component being inversely proportional to the Kondo temperature, showing the effect that the Kondo scattering mechanism has on the availability of the conduction electrons to participate in heat transport. The magnitude of the peak in the thermoelectric power S(T) was strongly dependent on the Al concentration, having a maximum at CeCu2.8Al2.2. Below the peak there were two temperature dependencies: S(T) / T for x 2 {1.0, 1.5, 2.4} which is metallic and for x 2 {2.0, 2.1, 2.2, 2.3} S(T)/T /−ln(T) which is characteristic of a quantum critical point. The data were also fitted with a phenomenological model and the obtained Kondo temperatures were quantitatively similar to those obtained from the Beth´e ansatz. The heat capacity Cp(T) data confirmed these compounds to be heavy fermions and also showed Cp(T)/T /−ln(T) below 10 K, which is the hallmark for a magnetically tuned quantum critical point. The magnetic susceptibility showed a Curie-Weiss temperature dependence at temperatures above 100 K, with magnetic moments close to the free-ion value, indicating the presence of localized magnetic moments. The low temperature data found (T) /−ln(T) for Al concentrations near CeCu3Al2 and the ordering present in CeCu2.6Al2.4 was suppressed by 0.3 K in going from 0.01 T to 2 T, suggesting that the ground state is antiferromagnetic in this compound.

Verpackungen sind aus unserem täglichen Leben nicht mehr wegzudenken. Sie tragen durch ihre Schutzfunktion zum Erhalt der Produktqualität bei, ermöglichen eine effektive Logistik und minimieren die Kosten in der Lieferkette. Der aktuell am weitesten verbreitete Kunststoff aus nachwachsenden Rohstoffen (Biokunststoff) ist Polymilchsäure (PLA, englisch polylactic acid).

<p>Recent technological advances in the field of electronics and the accompanying trend of device miniaturization with enhanced functionality has led to growing interest in new methods of electronic device integration. As a result, flexible, wearable, and portable electronic devices have emerged as a way of providing a multifunctional infrastructure to facilitate various consumer needs, creating new challenges for materials development. Polymers possess a unique combination of desirable properties such as mechanical compliance, durability, low density and chemical stability which makes them ideally suitable as substrate materials to cater to such diverse applications. However, the low thermal conductivity of polymers hinders their heat spreading capability in thermal management applications for flexible and wearable devices. In recent years, there has been a growing interest in ultra-high molecular weight polyethylene (UHMW-PE) materials with aligned polymer chains due to their remarkably high thermal conductivity that is similar to some metals. These are commercially manufactured in large volumes as fibers using gel-spinning and ultra-drawing processes that impart a high degree of crystallinity and orientation to the polymer chains. As a result, these materials develop exceptionally high mechanical strength, elastic modulus, and thermal conductivity compared to conventional polymers. Therefore, UHMW-PE materials have found applications in commercial products like motorcycle gear and ballistic vests, but have not been commercially deployed for heat spreading and thermal management applications. While there has been much fundamental work on the development of high thermal conductivity fibers, effective translation of the high conductivity from individual fibers to macroscale (wearable) flexible fabrics has not been previously explored. The objective of this thesis is to obtain a fundamental understanding of the thermal transport properties of fabric materials constructed from the high conductivity polymer fibers, and assess their applicability for potential heat spreading applications. </p> <p>In the present work, commercially available high thermal conductivity fibers made of UHMW-PE are utilized to fabricate plain-weave fabrics prototypes, and the thermal properties of individual fibers, yarns, and woven fabrics are measured using a novel in-plane thermal measurement method. The characterization technique leverages infrared (IR) microscopy for a non-contact temperature sensing and is generally scalable for thermal characterization of the in-plane thermal-conductivity of materials across different length scales. Effective thermal conductivities on the order of ~10 Wm^-1K^-1 are achieved along the in-plane dominant heat transport direction of the woven fabric, which is exceptionally high (~2-3 orders of magnitude) compared to conventional clothing and textile-based materials. The thermal conductivity and mechanical flexibility of the UHMW-PE fabrics are benchmarked with respect to conventional materials and the effect of bend-stressing and thermal annealing of the fabrics is characterization using the developed metrology. </p> <p>Additionally, a laser-based IR thermal metrology technique leveraging both non-contact heating and temperature sensing is conceptualized and validated using a numerical thermal modeling approach. The proposed technique provides an approach to estimate the in-plane heat spreading properties of anisotropic materials with direction-depended thermal properties based on quantifying the surface temperature map of a sample subjected to periodic heating. Numerical simulations are leveraged to demonstrate the applicability of this method to enable measurement of a wide range of thermal properties indicating great potential to develop this further as a standardized robust method for in-plane anisotropic thermal characterization of materials such as fabrics and films.</p> <p>This work sheds light on the high thermal conductivity of UHMW-PE materials that can be achieved using a scalable manufacturing process and describes the thermal metrology approaches to enable their characterization, thereby providing a foundation for the conceptualization and design of flexible substrate based thermal solutions in future wearable/flexible electronic devices.</p> <p> </p>