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不同减薄率镍铜合金超薄壁管的微观织构演变

Microtexture Evolution of Ni-Cu Alloy Ultra-thin Walled Tubes with Different Thinning Reduction Ratios
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摘要 采用滚珠旋压成形技术将Φ10.8 mm×0.5 mm的NCu40-2-1坯料管件加工成壁厚0.1 mm,0.05 mm的超薄壁管。研究发现随着减薄量增大,管件的表面粗糙度呈现缓慢增长趋势,并保持在0.2~0.3μm。检测织构的演变情况发现在滚珠旋压超薄壁管的减薄量超过80%后,随着壁厚减薄率逐步增加,织构相对强度呈先增加后减小趋势。 The wall thickness of theΦ10.8 mm×0.5 mm NCu40-2-1 alloy tube is processed to 0.1~0.05 mm with the ball-spinning forming technology.It is found that the surface roughness of pipe fittings increases slowly with the increase of thinning reduction ratio and keeps at 0.2~0.3μm.After detecting the evolution of the tube’s microtexture,it is revealed that once its wall-thickness reduction rate exceeds 80%,along with the increase of the reduction rate,the microtexture relative strength of the ball-spinning process-made ultra-thin walled tube presents a changing trend as first increasing and then decreasing.
作者 王琛 李维壮 许镱巍 田旺 赵春江 梁建国 张国庆 WANG Chen;LI Weizhuang;XU Yiwei;TIAN Wang;ZHAO Chunjiang;LIANG Jianguo;ZHANG Guoqing(College of Mechanical Engineering,Taiyuan University of Science and Technology,Taiyuan 030024,China;Shanxi College of Electronic Science and Technology,Linfen 041082,China;Taiyuan University of Technology,Taiyuan 030024,China;Taiyuan Qinghong Electromechanical Equipment Co.,Ltd.,Taiyuan 030027,China)
出处 《钢管》 CAS 2022年第3期21-24,共4页 Steel Pipe
基金 国家自然科学基金资助项目(编号U1610118) 国家重点研发计划项目(编号2018YFB1308701)。
关键词 无缝管 超薄壁管 镍铜合金 滚珠旋压 减薄率 微观织构 seamless tube ultra-thin walled tube Ni-Cu alloy ball-spinning thinning reduction ratio microtexture
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