|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Pan American Materials Congress: Nanocrystalline and Ultra-fine Grain Materials and Bulk Metallic Glasses
||Wear Resistance of an Ultrafine-grained Cu-Zr Alloy Processed by High-pressure Torsion
||Jittraporn Wongsa-Ngam, Jianwei Li, Jie Xu, Terence G. Langdon
|On-Site Speaker (Planned)
In order to produce ultrafine grains, a copper alloy, Cu-0.1% Zr, was processed by high-pressure torsion (HPT) at room temperature. The wear properties were evaluated by using ball-on-disc dry sliding tests on both the as-received material and on the HPT-processed material. The tests were conducted with various normal loads and rotational speeds to examine the effect of loads and speed. The results show that the ultrafine-grained Cu-Zr alloy processed by HPT has a higher wear resistance than the as-received material due to the significant grain refinement.
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