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Investigation of microstructure of GH4169 alloy surface layer after shot peening
Author(s): 
Pages: 94-97
Year: Issue:  9
Journal: Heat Treatment of Metals

Keyword:  GH4169 合金喷丸强化组织结构EBSD;
Abstract: 采用X射线衍射方法、透射电子显微术和背散射电子衍射(EBSD)技术研究了GH4169合金喷丸强化后表面层组织结构的变化规律.结果表明,喷丸强化后,在GH4169合金试样表面形成约1.2 mm厚的弹塑性变形层;表面粗糙度Ra为1.4274 μm;晶粒内部的变形是位错和孪晶共同作用的结果.
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