激光冲击强化恒弹合金3J58的力学性能

doi:10.3969/j.issn.1671-7775.2010.02.003

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摘要对3 J58恒弹合金试样进行激光冲击强化处理,采用纳米压痕技术测定了激光冲击区域、冲击影响区域和未冲击区域的纳米硬度和弹性模量,并对不同区域的残余应力进行测试.研究结果表明：激光冲击区域和冲击影响区域的纳米硬度、弹性模量和表面残余应力分布都有明显的改善.

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	罗开玉
	康正阳
	钟俊伟
	杨超君
	程广贵

关键词 ： 3J58恒弹合金')" href="#">Type=K">3J58恒弹合金, 激光冲击强化 ')" href="#">Type=K">激光冲击强化 , 纳米压痕')" href="#">Type=K">纳米压痕, 纳米硬度 ')" href="#">Type=K">纳米硬度 , 弹性模量')" href="#">Type=K">弹性模量, 残余应力')" href="#">Type=K">残余应力

Abstract：The samples manufactured by the elastic alloy 3J58 were tested by laser shock waves,and the nano-indentation experiments were made by Triboindenter in Hystron Company,and residual stresses were determined by using XRD with sin2 ψ method.The results show that surface residual stress distributions,nano-hardness and elastic modulus in the shocked region and the laser-affected region are clearly improved,which contributes to an increase in the surface properties in the near surface of the samples manufactured by the elastic alloy 3J58.

Key words： elastic alloy 3J58 ')" href="#">elastic alloy 3J58 laser shock processing')" href="#">laser shock processing nano-indentation ')" href="#">nano-indentation nano-hardness')" href="#">nano-hardness elastic modulus ')" href="#"> elastic modulus residual stress ;')" href="#">residual stress ;

引用本文:

罗开玉, 康正阳, 钟俊伟, 杨超君, 程广贵. 激光冲击强化恒弹合金3J58的力学性能[J]. 江苏大学学报（自然科学版）, 2010, 31(2): 136-138. Luo Kaiyu, Kang Zhengyang, Zhong Junwei, Yang Chaojun, Cheng Guanggui. Effects of laser shock processing on mechanical properties of elastic alloy 3J58[J]. Journal of Jiangsu University(Natural Science Eidtion) , 2010, 31(2): 136-138.

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http://zzs.ujs.edu.cn/xbzkb/CN/ 10.3969/j.issn.1671-7775.2010.02.003 或 http://zzs.ujs.edu.cn/xbzkb/CN/Y2010/V31/I2/136