冷热循环处理对7050铝合金力学性能和尺寸稳定性的影响
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摘要
对7050铝合金进行了冷热循环处理,研究了冷热循环处理对该合金力学性能和尺寸稳定性的影响。结果表明:冷热循环处理对7050铝合金力学性能的影响较小;从提高尺寸稳定性方面考虑,最佳的冷热循环处理工艺为-150℃保温24 h,再加热至150℃保温3 h,并循环2次;对该工艺处理后圆环开口尺寸变化率由未冷热循环处理的0. 22%降低到0. 05%,降低了77. 3%。
Effect of cold and hot cycle treatment on mechanical properties and dimensional stability of 7050 aluminum alloy was studied. The results show that the cold and hot cycle treatment has little effect on the mechanical properties of 7050 aluminum alloy. Considering to improve the dimensional stability,the best cold and hot cycle process is holding at -150 ℃ for 24 h and then heating to 150 ℃ for 3 h,circulation 2 times. The change rate of the opening size of the ring decreases from 0. 22% to 0. 05%,and decreased by 77. 3%,respectively.
Effect of cold and hot cycle treatment on mechanical properties and dimensional stability of 7050 aluminum alloy was studied. The results show that the cold and hot cycle treatment has little effect on the mechanical properties of 7050 aluminum alloy. Considering to improve the dimensional stability,the best cold and hot cycle process is holding at -150 ℃ for 24 h and then heating to 150 ℃ for 3 h,circulation 2 times. The change rate of the opening size of the ring decreases from 0. 22% to 0. 05%,and decreased by 77. 3%,respectively.
引文
[1]杨鑫,徐崇义,谢延翠,等.2Al2ME铝合金板材的深冲性能研究[J].轻合金加工技术,2010,38(9):18-20.Yang Xin,Xu Chongyi,Xie Yancui,et al.Study on deep-drawing property of 2Al2ME aluminium alloy plate[J].Light Alloy Fabrication Technology,2010,38(9):18-20.
[2]王蕾,吴光英.2024、7075铝合金热处理的工艺及设备[J].热处理技术与装备,2010,31(6):51-55.Wang Lei,Wu Guangying.Heat treatment technology and equipment of2024,7075 aluminum alloy[J].Heat Treatment Technology and Equipment,2010,31(6):51-55.
[3]马英义,杜传慧,张辉玲,等.2024-O铝合金薄板规定非比例延伸强度性能研究[J].轻合金加工技术,2013,14(7):25-27.Ma Yingyi,Du Chuanhui,Zhang Huiling,et al.Study on proof strength at non-proportional extension of 2024-O Al alloy sheet[J].Light Alloy Fabrication Technology,2013,14(7):25-27.
[4]田福泉,崔建忠.双级时效对7050铝合金组织和性能的影响[J].中国有色金属学报,2006,16(6):958-963.Tian Fuquan,Cui Jianzhong.Effect of double aging on microstructure and properties of 7050 aluminum alloy[J].The Chinese Journal of Nonferrous Metals,2006,16(6):958-963.
[5]鲁法云,赵凤,穆楠,等.7050铝合金均匀化过程中组织转变[J].材料热处理学报,2015,36(5):17-23.Lu Fayun,Zhao Feng,Mu Nan,et al.Microstructure transformation during homogenization of 7050 aluminum alloy[J].Transactions of Materials and Heat Treatment,2015,36(5):17-23.
[6]李超,张坤,汝继刚,等.温度对7050时效成形应力松弛及回弹影响[J].塑性工程学报,2013,20(2):112-115.Li Chao,Zhang Kun,Ru Jigang,et al.Effect of temperature on stress relaxation and springback of 7050 aging forming[J].Journal of Plasticity Engineering,2013,20(2):112-115.
[7]张斌.不同变形温度下7050铝合金的动态析出行为分析[J].铸造技术,2014,35(11):2579-2581.Zhang Bin.Analysis of dynamic precipitation behavior of 7050aluminum alloy at different deformation temperatures[J].Casting Technology,2014,35(11):2579-2581.
[8]任建平,宋仁国.双级时效工艺对7050铝合金组织与性能的影响[J].轻工机械,2011,29(4):21-25.Ren Jianping,Song Renguo.Effect of double aging process on microstructure and properties of 7050 aluminum alloy[J].Light Industry Machinery,2011,29(4):21-25.
[9][日]米古茂.残余应力的产生和对策[M].朱荆璞,邵会孟,译.北京:机械工业出版社,1983.
[10]曾苏民,杨杨,曹金荣.7075铝合金模锻件淬火残余应力的消除[J].中国有色金属报,1999,9(1):111-114.Zeng Sumin,Yang Yang,Cao Jinrong.Elimination of quenching residual stress in die forgings of 7075 aluminum alloy[J].The Chinese Journal of Nonferrous Metals,1999,9(1):111-114.
[11]陈鼎,董建峰,马国芝,等.有色金属合金的深冷发展概括[J].材料导报,2010,24(21):1-4.Chen Ding,Dong Jianfeng,Ma Guozhi,et al.The cryogenic development of nonferrous alloys[J].Materials Review,2010,24(21):1-4.
[12]赵国华,于文平,魏建勋.深冷处理对GCr15组织和力学性能的影响[J].材料开发与应用,2010,25(1):26-29.Zhao Guohua,Yu Wenping,Wei Jianxun.Effects of cryogenic treatment on the microstructure and mechanical properties of GCr15[J].Material Development and Application,2010,25(1):26-29.
[13]王洪峰,陈殿贺,李巍,等.冷热循环处理对铝合金工件结构稳定性的影响[J].铸造,2017,66(3):369-373.Wang Hongfeng,Chen Dianhe,Li Wei,et al.Effect of cold and heat cycling treatment on structural stability of aluminum alloy workpiece[J].Casting,2017,66(3):369-373.
[14]黄云战,晋芳伟.深冷处理对铜合金组织和性能的影响[J].金属热处理,2001,36(7):5-6.Huang Yunzhan,Jin Fangwei.Effect of cryogenic treatment on microstructure and properties of copper alloys[J].Heat Treatment of Metals,2001,36(7):5-6.
[15]《航空制造工程手册》总编委会.航空制造工程手册[M].北京:航空工业出版社,2010:266-267.
[2]王蕾,吴光英.2024、7075铝合金热处理的工艺及设备[J].热处理技术与装备,2010,31(6):51-55.Wang Lei,Wu Guangying.Heat treatment technology and equipment of2024,7075 aluminum alloy[J].Heat Treatment Technology and Equipment,2010,31(6):51-55.
[3]马英义,杜传慧,张辉玲,等.2024-O铝合金薄板规定非比例延伸强度性能研究[J].轻合金加工技术,2013,14(7):25-27.Ma Yingyi,Du Chuanhui,Zhang Huiling,et al.Study on proof strength at non-proportional extension of 2024-O Al alloy sheet[J].Light Alloy Fabrication Technology,2013,14(7):25-27.
[4]田福泉,崔建忠.双级时效对7050铝合金组织和性能的影响[J].中国有色金属学报,2006,16(6):958-963.Tian Fuquan,Cui Jianzhong.Effect of double aging on microstructure and properties of 7050 aluminum alloy[J].The Chinese Journal of Nonferrous Metals,2006,16(6):958-963.
[5]鲁法云,赵凤,穆楠,等.7050铝合金均匀化过程中组织转变[J].材料热处理学报,2015,36(5):17-23.Lu Fayun,Zhao Feng,Mu Nan,et al.Microstructure transformation during homogenization of 7050 aluminum alloy[J].Transactions of Materials and Heat Treatment,2015,36(5):17-23.
[6]李超,张坤,汝继刚,等.温度对7050时效成形应力松弛及回弹影响[J].塑性工程学报,2013,20(2):112-115.Li Chao,Zhang Kun,Ru Jigang,et al.Effect of temperature on stress relaxation and springback of 7050 aging forming[J].Journal of Plasticity Engineering,2013,20(2):112-115.
[7]张斌.不同变形温度下7050铝合金的动态析出行为分析[J].铸造技术,2014,35(11):2579-2581.Zhang Bin.Analysis of dynamic precipitation behavior of 7050aluminum alloy at different deformation temperatures[J].Casting Technology,2014,35(11):2579-2581.
[8]任建平,宋仁国.双级时效工艺对7050铝合金组织与性能的影响[J].轻工机械,2011,29(4):21-25.Ren Jianping,Song Renguo.Effect of double aging process on microstructure and properties of 7050 aluminum alloy[J].Light Industry Machinery,2011,29(4):21-25.
[9][日]米古茂.残余应力的产生和对策[M].朱荆璞,邵会孟,译.北京:机械工业出版社,1983.
[10]曾苏民,杨杨,曹金荣.7075铝合金模锻件淬火残余应力的消除[J].中国有色金属报,1999,9(1):111-114.Zeng Sumin,Yang Yang,Cao Jinrong.Elimination of quenching residual stress in die forgings of 7075 aluminum alloy[J].The Chinese Journal of Nonferrous Metals,1999,9(1):111-114.
[11]陈鼎,董建峰,马国芝,等.有色金属合金的深冷发展概括[J].材料导报,2010,24(21):1-4.Chen Ding,Dong Jianfeng,Ma Guozhi,et al.The cryogenic development of nonferrous alloys[J].Materials Review,2010,24(21):1-4.
[12]赵国华,于文平,魏建勋.深冷处理对GCr15组织和力学性能的影响[J].材料开发与应用,2010,25(1):26-29.Zhao Guohua,Yu Wenping,Wei Jianxun.Effects of cryogenic treatment on the microstructure and mechanical properties of GCr15[J].Material Development and Application,2010,25(1):26-29.
[13]王洪峰,陈殿贺,李巍,等.冷热循环处理对铝合金工件结构稳定性的影响[J].铸造,2017,66(3):369-373.Wang Hongfeng,Chen Dianhe,Li Wei,et al.Effect of cold and heat cycling treatment on structural stability of aluminum alloy workpiece[J].Casting,2017,66(3):369-373.
[14]黄云战,晋芳伟.深冷处理对铜合金组织和性能的影响[J].金属热处理,2001,36(7):5-6.Huang Yunzhan,Jin Fangwei.Effect of cryogenic treatment on microstructure and properties of copper alloys[J].Heat Treatment of Metals,2001,36(7):5-6.
[15]《航空制造工程手册》总编委会.航空制造工程手册[M].北京:航空工业出版社,2010:266-267.