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OALib Journal期刊
ISSN: 2333-9721
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喷丸处理对tib2/al复合材料表面基体力学性能的影响
Keywords: 复合材料,喷丸强化,基体性能,x射线衍射,金属基复合材料,组织结构
Abstract:
？通过x射线衍射线形分析表征了喷丸表面的组织结构,利用原位拉伸x射线衍射应力分析研究了tib2/6351al复合材料喷丸表面基体的力学行为.结果表明,喷丸后复合材料表面基体的屈服强度提高了26\%,整体强度提高约28%,显微硬度提高50%以上.喷丸前、后复合材料基体承载系数分别为81%和83%,喷丸后的基体承载系数略有提高.喷丸表面基体的晶块尺寸及位错密度分别约51nm和3.05x1014m-2,晶块细化及位错密度增高是导致表面基体力学性能提高的主要原因.
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