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Effect of Friction Stir Processing on the Microstructure of Cast Aluminum Alloy Applied to Plunger
Author(s): 
Pages: 58-63
Year: Issue:  3
Journal: Journal of Aeronautical Materials

Keyword:  搅拌摩擦加工铸铝合金组织显微硬度;
Abstract: 探索搅拌摩擦加工对活塞用铸造铝合金组织及性能的影响,研究了搅拌摩擦加工参数的影响规律.搅拌摩擦加工可明显细化铸造铝合金表面的组织,使粗大的铸态组织转变为细小均匀的等轴晶.搅拌摩擦加工参数选择不当,会使各加工区域的晶粒长大.通过对搅拌区组织的显微硬度测试,发现搅拌摩擦加工可以显著提高铸铝合金硬度,达到改善其表面性能的作用.
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