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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

A comparison of methods for the determination of iron in clays and related ceramic materials

Thompson, Hoyt Gillum, January 1938 (has links) (PDF)
Thesis (M.S.)--University of Missouri, School of Mines and Metallurgy, 1938. / The entire thesis text is included in file. Typescript. Title from title screen of thesis/dissertation PDF file (viewed May 3, 2010) Includes bibliographical references (p. 58-62) and index (leaves 63-66).
22

Thermal analysis of ceramic reaction models /

Campbell, William Buford January 1968 (has links)
No description available.
23

Microporosity effects on mechanical and electrical behavior of sintered ceramics /

Panzarino, Joseph Nicholas January 1967 (has links)
No description available.
24

Structure and Electrical Conductivity of Mn-based Spinels Used as Solid Oxide Fuel Cell Interconnect Coatings

WANG, YADI 10 1900 (has links)
<p>At solid oxide fuel cell (SOFC) operating temperatures (650<sup>o</sup>C--800<sup>o</sup>C), the chromia scale growth on the interconnect surface and chromium poisoning of cathode can lead to performance degradation of the whole cell. A spinel coating can be effective for blocking chromium outward diffusion to overcome this issue. In this thesis, two spinel-forming systems, Zn-Mn-O and Co-Cu-Mn-O were studied to identify a suitable coating.</p> <p>In-situ high temperature XRD was used to identify the phases in the Zn-Mn-O system between 600<sup>o</sup>C and 1300<sup>o</sup>C. The results showed that cubic spinel phase was stable only at high temperatures (above 1200<sup>o</sup>C) and when the temperature decreases, the cubic phase tends to deform to tetragonal structure. In addition, the conductivity results showed low conductivities (below 3 S/cm) at SOFC operating temperature. Thus, the Zn-Mn-O system is not suitable for SOFC interconnect coatings.</p> <p>Another potential coating material analyzed was the Co-Cu-Mn-O system. This system exhibited promising conductivity values. Electrodeposition was used to apply Co-Cu-Mn-O coatings on both ferritic stainless steel and chromium-based alloy (Cr-5Fe) followed by oxidation in air at 800<sup>o</sup>C. The spinel coating formed nicely on the stainless steel substrate. However, on the chromium plate, nitride formation, blistering and metal isolation were the common problems that occurred during the oxidation process. In order to improve the quality of coating on the chromium alloy, different heat treatments were explored, such as annealing in reducing atmosphere, oxidation in pure oxygen / mixed gas and decreasing the oxidation temperature. The objective of modifying the heat treatment was to produce adherent, dense coatings.</p> / Master of Applied Science (MASc)
25

Development of low temperature processable ceramic thin film embedded capacitors /

Law, Tak Wai. January 2003 (has links)
Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003. / Includes bibliographical references. Also available in electronic version. Access restricted to campus users.
26

A process based cost model for multi-layer ceramic manufacturing of solid oxide fuel cells

Koslowske, Mark T. January 2003 (has links)
Thesis (M.S.)--Worcester Polytechnic Institute. / Keywords: process based cost model; cost model; fuel cell; PBCM; multi-layer ceramics; sofc; solid oxide fuel cell. Includes bibliographical references.
27

THE ELECTRICAL PROPERTIES OF CERAMIC INSULATORS AT HIGH TEMPERATURES AND IN RADIATION FIELDS

Bregar, John Francis, 1923- January 1966 (has links)
No description available.
28

Measuring plasticity in brittle materials

Howie, Philip Robert January 2012 (has links)
No description available.
29

Compressive mechanical behavior of hollow ceramic spheres and bonded-sphere forms

Chung, Jae Hoon 08 1900 (has links)
No description available.
30

Microstructural and compressive properties of a metal/ceramic syntactic foam

Rickles, Stacey A. 05 1900 (has links)
No description available.

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