单运启,张彦敏,张朝民,刘爱奎,冯江,赵世恒,皇保欢,宋克兴,周延军

• 1:河南科技大学材料科学与工程学院
• 2:河南省有色金属材料科学与加工技术重点实验室
• 3:凯美龙精密铜板带(河南)有限公司
• 4:河南省科学院

摘要(Abstract)：

借助扫描电镜、电子万能试验机、维氏硬度计和数字涡流金属电导仪等研究了冷轧变形量和时效对Cu-Ni-Si合金组织与性能的影响。结果表明：冷轧态合金变形量越大，显微组织中晶粒沿着轧制的方向被拉得越长和越扁。当时效温度或时效时间增加到一定程度时，冷变形晶粒发生了回复再结晶，时效时间继续延长再结晶晶粒逐渐长大。冷轧态合金主要以脆性断裂为主，时效态合金以韧性断裂为主。当冷轧变形量为80.0%及经500℃×1 h时效后合金的综合性能最佳，电导率为46.37%IACS,显微硬度为236.14 HV0.1,抗拉强度为638.24 MPa,屈服强度为581.55 MPa,伸长率为5.77%。

关键词(KeyWords)： Cu-Ni-Si合金;形变热处理;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 河南省重大科技专项(221100210300)

作者(Author): 单运启,张彦敏,张朝民,刘爱奎,冯江,赵世恒,皇保欢,宋克兴,周延军

DOI: 10.13289/j.issn.1009-6264.2023-0228

参考文献(References)：

• [1] 黎三华，李周，雷前，等.高强度Cu-Ni-(Al)-Si合金的组织和性能[J].稀有金属材料与工程，2015,44(6):1427-1431.LI San-hua,LI Zhou,LEI Qian,et al.Microstructure and properties of superhigh strength Cu-Ni-(Al)-Si alloy[J].Rare Metal Materials and Engineering,2015,44(6):1427-1431.
• [2] 徐翩，尚文静，姜业欣.Cu-Ni-Si系合金的研究进展[J].上海有色金属，2011,32(4):182-186.XU Pian,SHANG Wen-jing,JIANG Ye-xin.Research development of Cu-Ni-Si alloys[J].Shanghai Nonferrous Metals,2011,32(4):182-186.
• [3] 侯绿林，尹振兴，甘春雷，等.引线框架用Cu-Ni-Si合金及其制备加工工艺的研究进展[J].材料研究与应用，2020,14(1):59-67.HOU Lu-lin,YIN Zhen-xing,GAN Chun-lei,et al.Research progress of Cu-Ni-Si alloy for lead frame and its preparation and processing technology[J].Materials Research and Application,2020,14(1):59-67.
• [4] 张英，陆萌萌，胡艳艳，等.引线框架用Cu-Ni-Si合金的发展及研究现状[J].上海有色金属，2014,35(4):177-182.ZHANG Ying,LU Meng-meng,HU Yan-yan,et al.Development and study of Cu-Ni-Si alloy for lead frame[J].Shanghai Nonferrous Metals,2014,35(4):177-182.
• [5] 谢辉，吕品正，张蓉，等.时效处理对Cu-Ni-Si合金电阻及组织的影响[J].铸造技术，2014,35(12):2838-2840.XIE Hui,Lü Pin-zheng,ZHANG Rong,et al.Effect of aging treatment on resistance and microstructure of Cu-Ni-Si alloy[J].Foundry Technology,2014,35(12):2838-2840.
• [6] Ahn J H,Han S Z,Choi E A,et al.Simple optimization for strength and conductivity of Cu-Ni-Si alloy with discontinuous precipitation[J].Materials Characterization,2022,184:111605.
• [7] Paul S,Anagnostis T,Athanasios V,et al.Mechanical behaviour and microstructure of heat-treated Cu-Ni-Si alloy[J].Materlals Science and Technology,2020,36(8):939-948.
• [8] Fu H,Yin Y,Zhang Y,et al.Enhancing the comprehensive properties of as-cast Cu-Ni-Si alloys by continuous extrusion combined with subsequent thermomechanical treatment[J].Materials & Design,2022,222:111033.
• [9] Zhao Z L,Xiao Z,Li Z,et al.Microstructure and properties of a Cu-Ni-Si-Co-Cr alloy with high strength and high conductivity[J].Materials Science and Engineering A,2019,759:396-403.
• [10] 张英，刘焱，陈建永.Cu-Ni-Si合金时效处理过程中产品性能影响因素研究[J].铜业工程，2022(3):10-13.ZHANG Ying,LIU Yan,CHEN Jian-yong.Study on influencing factors of product properties of Cu-Ni-Si alloy during aging treatment[J].Copper Engineering,2022(3):10-13.
• [11] Liu Z S,Chen Y L,Wei H,et al.Study on the distribution of texture and the second phase under different aging process of Cu-Ni-Si alloy[J].Materials Letters,2019,236:292-294.
• [12] 王世民，李红，王涛，等.引线框架用CuNiSi合金形变热处理工艺研究[J].上海有色金属，1999,20(2):66-69.WANG Shi-min,LI Hong,WANG Tao,et al.Research of heat treatment of CuNiSi alloys for lead freame[J].Shanghai Nonferrous Metals,1999,20(2):66-69.
• [13] 季慧玲，张义伟.Cu-Ni-Si三元合金的液相分离凝固组织研究[J].热加工工艺，2020,49(5):80-82.JI Hui-ling,ZHANG Yi-wei.Research on solidification microstructure of liquid phase separation of Cu-Ni-Si ternary alloy[J].Hot Working Technology,2020,49(5):80-82.
• [14] 潘志勇，汪明朴，李周，等.超高强度Cu-Ni-Si合金的研究进展[J].金属热处理，2007,32(7):55-59.PAN Zhi-yong,WANG Ming-pu,LI Zhou,et al.Progress of study on super high strength Cu-Ni-Si alloys[J].Heat Treatment of Metals,2007,32(7):55-59.
• [15] 冯桄波，余方新，程建奕，等.高性能Cu-Ni-Co-Si合金的二次时效行为及析出相特征[J].材料热处理学报，2019,40(8):76-83.FENG Guang-bo,YU Fang-xin,CHENG Jian-yi,et al.Re-aging behaviour and precipitated phase characteristics of high-performance Cu-Ni-Co-Si alloy[J].Transactions of Materials and Heat Treatment,2019,40(8):76-83.
• [16] 刘峰，米绪军，马吉苗，等.低浓度Cu-Ni-Si合金的组织与性能[J].中国有色金属学报，2019,29(2):286-294.LIU Feng,MI Xu-jun,MA Ji-miao,et al.Microstructure and properties of low concentration of Cu-Ni-Si alloys[J].The Chinese Journal of Nonferrous Metals,2019,29(2):286-294.
• [17] 肖翔鹏，黄国杰，程磊，等.固溶时效工艺对Cu-Ni-Si合金组织和性能的影响[J].稀有金属，2011,35(5):673-678.XIAO Xiang-peng,HUANG Guo-jie,CHENG Lei,et al.Effect of solution and aging technique on microstructure and properties of Cu-Ni-Si alloy[J].Chinese Journal of Rare Metals,2011,35(5):673-678.
• [18] 贾飞，赵丹，李宇佳，等.基于原位观察的Cu-Ni-Si合金凝固过程及机理研究[J].电焊机，2021,51(10):119-125.JIA Fei,ZHAO Dan,LI Yu-jia,et al.Study on solidification process and mechanism of Cu-Ni-Si alloy based on in-situ observation[J].Electric Welding Machine,2021,51(10):119-125.
• [19] 雷静果，刘平，赵冬梅，等.CuNiSi合金的时效析出与再结晶[J].兵器材料科学与工程，2004,27(1):45-47.LEI Jing-guo,LIU Ping,ZHAO Dong-mei,et al.Aging precipitation and recrystallization of Cu-Ni-Si alloy[J].Ordnance Materials Science and Engineering,2004,27(1):45-47.
• [20] Hua Y,Nie Z,Wang L,et al.Studies of intergranular and intragranular stresses in cold-rolled CuNiSi alloys[J].Journal of Alloys and Compounds,2019,818:152896.
• [21] 陈志龙，顾彩香，任祥华.冷变形对Cu-Ni-Si合金时效性能的影响[J].电工材料，2016(4):7-12.CHEN Zhi-long,GU Cai-xiang,REN Xiang-hua.Effects of cold deformation on aging performance of Cu-Ni-Si alloys[J].Electrical Engineering Materials,2016(4):7-12.
• [22] 刘峰，马吉苗，廖骏骏，等.固溶时效温度和冷变形对低含量Cu-Ni-Si合金组织性能的影响[J].稀有金属，2018,42(4):356-361.LIU Feng,MA Ji-miao,LIAO Jun-jun,et al.Microstructure and properties of low concentration Cu-Ni-Si alloy under different solution,aging temperature and cold deformation[J].Chinese Journal of Rare Metals,2018,42(4):356-361.
• [23] 黎三华，申镭诺，李周，等.形变热处理对Cu-6.5Ni-1Al-1Si-0.15Mg-0.15Ce合金微观组织及性能的影响[J].粉末冶金材料科学与工程，2015,20(1):118-125.LI San-hua,SHEN Lei-nuo,LI Zhou,et al.The effect of thermo-mechanical treatment on microstructure and properties of Cu-6.5Ni-1Al-1Si-0.15Mg-0.15Ce alloy[J].Materials Science and Engineering of Powder Metallurgy,2015,20(1):118-125.
• [24] 刘劲松，武安琪，王松伟，等.时效处理对冷轧铜镍硅合金板带组织及性能的影响[J].锻压技术，2022,47(8):215-223.LIU Jin-song,WU An-qi,WANG Song-wei,et al.Effect of aging treatment on microstructure and properties of cold rolled Cu-Ni-Si alloy strip[J].Forging & Stamping Technology,2022,47(8):215-223.
• [25] Yang H Y,Ma Z C,Lei C H,et al.High strength and high conductivity Cu alloys:A review[J].Science China Technological Sciences,2020,63(12):2505-2517.
• [26] Liao W N,Yang H Q,Yi C,et al.Effect and mechanism of cold rolling and aging process on microstructure and properties of columnar grain C70250 copper alloy[J].Materials Science and Engineering A,2022,833:142577.

文章评论(Comment)：