李永奎,齐海东,路林,张钧

• 1:沈阳大学机械工程学院
• 2:吉林师范大学信息技术学院

摘要(Abstract)：

通过热膨胀方法研究了TA15钛合金连续冷却相转变规律。结果表明:冷却速率为3 K/s和30 K/s是TA15钛合金的两个临界冷却速率,低于3 K/s时,冷却过程发生β→α转变,合金的室温组织为α+β集束组织;冷却速率在3～30 K/s之间时,发生β→α+α′转变,室温组织为针状α+β与α′的混合组织;超过30 K/s冷速条件下,室温组织全部为α′相。与差示扫描量热法测量结果比较,热膨胀方法所测得的相转变温度稍向低温区延伸,该方法适用于相变前后体积变化较为明显的材料。

关键词(KeyWords)： TA15钛合金;快速热膨胀法;CCT曲线;晶格常数

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李永奎,齐海东,路林,张钧

DOI: 10.13289/j.issn.1009-6264.2021-0293

参考文献(References)：

• [1] 纪小虎，李萍，时迎宾，等.TA15钛合金等温多向锻造晶粒细化机理与力学性能[J].中国有色金属学报，2019,29(11):2515-2523.JI Xiao-hu,LI Ping,SHI Ying-bin,et al.Grain refinement mechanism and mechanical properties of TA15 alloy during multi-directional isothermal forging[J].The Chinese Journal of Nonferrous Metals,2019,29(11):2515-2523.
• [2] 许良，苏居季，周松，等.TC4钛合金激光双光束焊T形接头疲劳性能及断裂机理[J].中国有色金属学报，2019,29(7):1408-1416.XU Liang,SU Ju-ji,ZHOU Song,et al.Fatigue performance and fracture mechanism of dual-beam laser welded T-joints of TC4 titanium alloy[J].The Chinese Journal of Nonferrous Metals,2019,29(7):1408-1416.
• [3] 于振涛，余森，程军，等.新型医用钛合金材料的研发和应用现状[J].金属学报，2017,53(10):1238-1264.YU Zhen-tao,YU Sen,CHENG Jun,et al.Development and application of novel biomedical titanium alloy materials[J].Acta Metallurgica Sinica,2017,53(10):1238-1264.
• [4] 李永奎，权纯逸，陆善平，等.TA15钛合金薄壁焊接件热处理校形研究[J].金属学报，2016,52(3):281-288.LI Yong-kui,QUAN Chun-yi,LU Shan-ping,et al.Study of shape correction of the thin plate of TA15 titanium alloy by post heat treatment[J].Acta Metallurgica Sinica,2016,52(3):281-288.
• [5] Meng M,Fan X G,Guo L G,et al.Achieving fine-grained equiaxed alpha via thermo-mechanical loading under off-equilibrium state in two-phase ti-alloys[J].Journal of Materials Processing Technology,2018,259:397-408.
• [6] 张红菊，张东晖，李璞，等.钛合金相转变点检测方法[J].热加工工艺，2013,42(10):89-92.ZHANG Hong-ju,ZHANG Dong-hui,LI Pu,et al.Testing methods for titanium alloy phase transition point[J].Hot Working Technology,2013,42(10):89-92.
• [7] 陈绍楷，田弋纬，常璐，等.钛合金α+β/β转变温度测定的金相法与差热分析法对比研究[J].稀有金属材料与工程，2009,38(11):1916-1919.CHEN Shao-kai,TIAN Yi-wei,CHANG Lu,et al.A Comparative study of differential thermal analysis method and metallographic observation method for the α+β/β transformation temperature of titanium alloys[J].Rare Metal Materials and Engineering,2009,38(11):1916-1919.
• [8] 李玉涛，耿林，徐斌，等.TC11 钛合金相变点的测定与分析[J].稀有金属，2006,30(2):231-234.LI Yu-tao,GENG Lin,XU Bin,et al.Measurement and analysis of phase transformation temperature of TC11 titanium alloy[J].Chinese Journal of Rare Metals,2006,30(2):231-234.
• [9] 陈政龙，侯世忠.测定TC4钛合金β相转变温度的金相法和差示扫描量热法的对比[J].理化检验(物理分册),2017,53(3):157-160.CHEN Zheng-long,HOU Shi-zhong.Comparison of metallographic method and differential scanning calorimetry method for testing β phase transition temperature of TC4 titanium alloy[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2017,53(3):157-160.
• [10] 田飞，曾卫东，马雄，等.物理分析法与金相法测定BT25钛合金相变点[J].材料热处理学报，2011,32(5):1-5.TIAN Fei,ZENG Wei-dong,MA Xiong,et al.Measurement of beta transition temperature of BT25 titanium alloy by physical analysis and metallographic observation methods[J].Transactions of Mateirals and Heat Treatment,2011,32(5):1-5.
• [11] 王腾飞，曾卫东，彭雯雯，等.TC8 钛合金相变点的测定[J].热加工工艺，2011,40(12):57-59.WANG Teng-fei,ZENG Wei-dong,PENG Wen-wen,et al.Determination of beta transform temperature of TC8 titanium alloy[J].Hot Working Technology,2011,40(12):57-59.
• [12] 牛蓉蓉，葛鹏，杨冠军，等.TC21 钛合金相变点测定[J].热加工工艺，2010,39(8):15-16.NIU Rong-rong,GE Peng,YANG Guan-jun,et al.Determination of phase transformation point of TC21 titanium alloy[J].Hot Working Technology,2010,39(8):15-16.
• [13] 刘竞艳，张建国，陈艳霞，等.TC21合金相变点的测定方法比较及相变过程中的热膨胀行为[J].热加工工艺，2011,40(22):52-54.LIU Jing-yan,ZHANG Jian-guo,CHEN Yan-xia,et al.Determination of phase transition temperature and thermal expansion behavior of TC21 Ti alloy[J].Hot Working Technology,2011,40(22):52-54.
• [14] Li Y K,Wang J,Lu S P,et al.Mechanical properties and microstructures of the hazs of 11Cr F/M steel for Gen-IV nuclear power station[J].Journal of Materials Engineering and Performance,2015,24(2):885-893.
• [15] 何伟，杜小平，马红征，等.TC4钛合金相变温度的测定与分析[J].理化检验(物理分册),2014,50(7):461-464.HE Wei,DU Xiao-ping,MA Hong-zheng,et al.Measurement and analysis of transformation temperature of TC4 titanium alloy[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2014,50(7):461-464.
• [16] 石晓辉，曹祖涵，张敏，等.钛合金六方马氏体α′的特殊金相腐蚀行为及机理[J].稀有金属材料与工程，2020,49(6):1989-1994.SHI Xiao-hui,CAO Zu-han,ZHANG Min,et al.Special metallographical corrosion behavior of hexagonal martensite α′ for titanium alloys and its mechanism[J].Rare Metal Materials and Engineering,2020,49(6):1989-1994.
• [17] 张旺峰，王玉会，李艳，等.TA15钛合金的相变、组织与拉伸性能[J].中国有色金属学报，2010,20(S1):523-527.ZHANG Wang-feng,WANG Yu-hui,LI Yan,et al.Phase transformation,microstructures and tensile properties of TA15 titanium alloy[J].The Chinese Journal of Nonferrous Metals,2010,20(S1):523-527.
• [18] 郭文渊，李俊，孙坚.Ti-23Nb-0.7Ta-2Zr-O合金的热膨胀行为[J].材料研究与应用，2010,4(3):169-173.GUO Wen-yuan,LI Jun,SUN Jian.Thermal expansion behavior of Ti-23Nb-0.7Ta-2Zr-O alloy[J].Materials Research and Application,2010,4(3):169-173.
• [19] Lubarda V A.On the effective lattice parameter of binary alloys[J].Mechanics of Materials,2003,35(1):53-68.
• [20] 葛鹏，吴欢，赵永庆.Mo、V、Cr对钛合金β相的合金化效应[J].中国材料进展，2016,35(10):795-798.GE Peng,WU Huan,ZHAO Yong-qing.Alloying effect of Mo,V and Cr on titanium alloy beta phase[J].Materials China,2016,35(10):795-798.

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