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Microstructural Analysis of Ni-WC Metal Matrix Composites Deposited Using Plasma Transferred Arc Additive Manufacturing
DownloadFall 2023
The objective of this thesis is to examine how the composition and solidification rate influences the thermal degradation of WC and the resulting microstructure of WC-Ni metal matrix composites (MMCs) deposited using plasma transferred arc additive manufacturing (PTA-AM). Scanning electron...
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Plasma Transferred Arc Additive Manufacturing Using 17-4 Precipitation Hardened Stainless Steel
DownloadSpring 2021
Plasma transferred arc additive manufacturing (PTA-AM) is a newly developed additive manufacturing (AM) process for the manufacturing of large industrial parts for the resource sector. A common material used in numerous industries is 17-4 precipitation hardened (PH) stainless steel, mainly due...
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Fall 2022
High maintenance costs due to significant abrasive wear of components is experienced in the energy and mining sectors despite the current use of tough and hard coatings. During the coating process significant detrimental residual stresses may build up and result in premature failure of a...
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Spring 2020
ML80 and Grade 483 are heat treatable steels, produced by a quench and temper process, that are used in the oil and gas industry. The development of the microstructure during heat treatment is important to ensure that the correct properties are achieved for these steels. However, a real-time...