材料科学
喷丸
喷丸
强度(物理)
放松(心理学)
弹丸
非晶态金属
复合材料
体积热力学
模数
冶金
热力学
光学
残余应力
心理学
社会心理学
物理
合金
作者
S. González,Jordina Fornell,Eva Pellicer,S. Suriñach,M.D. Baró,A.L. Greer,F.J. Belzunce,Jordi Sort
摘要
Shot-peening (SP) changes the near-surface structure and mechanical properties of a Ti40Zr10Cu38Pd12 bulk metallic glass. Near the surface, the hardness, Young's modulus, and elastic strain limit are all reduced. Measurements of the heat of relaxation show that an exceptionally high stored energy of cold work can be induced, implying a large increase in free volume. At the highest SP intensity there is partial nanocrystallization enabled by the increased free volume and not by the increase in temperature.
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