深冷处理消除7A60铝合金残余应力的研究
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摘要
论文介绍了一种残余应力消除技术——深冷处理,为了验证这一技术的有效性,以7A60铝合金为例,制定了深冷处理工艺路线并进行试验,而后用X射线衍射法检测毛坯表面的残余应力,并与未经处理的毛坯进行对比。试验结果表明,深冷处理可以有效地降低7A60铝合金的残余应力峰值,并且使得残余应力分布更加均匀。
This paper introduces a residual stress relieving technique, that is cryogenic treatment. In order to verify the effectiveness of this technology, the 7A60 aluminum alloy is taken as an example to formulate the cryogenic treatment process and test, and then uses X-ray diffraction method to detect the residual stress on the blank surface, and compares it with the untreated blank. The test results show that the cryogenic treatment can effectively reduce the residual stress peak of 7A60 aluminum alloy and make the residual stress distribution more uniform.
This paper introduces a residual stress relieving technique, that is cryogenic treatment. In order to verify the effectiveness of this technology, the 7A60 aluminum alloy is taken as an example to formulate the cryogenic treatment process and test, and then uses X-ray diffraction method to detect the residual stress on the blank surface, and compares it with the untreated blank. The test results show that the cryogenic treatment can effectively reduce the residual stress peak of 7A60 aluminum alloy and make the residual stress distribution more uniform.
引文
[1]张丽伟,姜大鹏,张昆.7075铝合金残余应力释放的热处理工艺研究[J].中小企业管理与科技(下旬刊),2013(4):320-321.
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[5]张根保,张坤能.残余应力消除技术[J].制造技术与机床,2015(4):6-11.
[6]王庆光.残余应力检测技术及其应用[J].重型机械科技,2002(4):39-49.
[2]王秋成,柯映林.深冷处理消除7050铝合金残余应力的研究[J].浙江大学学报,2003,11(6):748-751.
[3]王海斗,朱丽娜,邢志国.表面残余应力检测技术[M].北京:机械工业出版社,2013(9):10-26.
[4]胡云卿,万海涛.残余应力消除方法研究[J].科技广场,2011(4):188-190.
[5]张根保,张坤能.残余应力消除技术[J].制造技术与机床,2015(4):6-11.
[6]王庆光.残余应力检测技术及其应用[J].重型机械科技,2002(4):39-49.