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Production of maraging stell powder metallurgy partsWestphal, David August, January 1968 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1969. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Effect of particle size and shape on shrink-age behavior of stainless steel powder compacts during sinteringNadkarni, Anil Vasant, January 1969 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1969. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Initial stage sintering model of 316L stainless steel with application to three dimensionally printed (3DPtm) components /Johnston, Scott R. January 2005 (has links)
Thesis (Ph. D.)--University of Washington, 2005. / Vita. In title, "tm" is subscript. Includes bibliographical references (leaves 145-151).
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Friction and wear study of lean powder metallurgy steel in a lubricated sliding contactLejonklo, Caroline January 2019 (has links)
A fairly new technology used to produce metallic components is powder metallurgy (PM). Among the advantages with this technique are decreased cost of production for complex-shaped parts, new alloys are made possible, reduced end processing, less material loss, and vibrational damping effects. The downside is the number of pores created which can alter the tribological properties of the material. The focus of this report is to investigate how lean PM steel behaves under tribological contacts. Friction and wear will be investigated using a pin-on-disc setup to mimic the sliding part of a gear tooth mesh. Previous studies show that the amount of wear, and if the wear increases or decreases with increased density is dependent on the degree of porosity and the pore size. This means that the wear might be minimized by optimizing the number of pores in the material and their shape and size. The result of this study shows that the friction coefficient decreases with increasing density. The wear coefficient show signs of the same correlations but further tests are needed. The main wear comes from adhesive wear, with signs of abrasive wear. The amount of abrasive wear seems to increase with an increase in density, supporting previous studies claiming that pores can trap wear debris and decrease the number of abrasive particles in the contact.
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