锻压技术

退火温度对TC4ELI钛合金板材组织性能的影响

英文标题：Influence of annealing temperature on microstructure and properties for TC4ELI titanium alloy plate

作者：贾云云周雪红赵亚琢闫小鹏

分类号：TG335.4

出版年,卷(期):页码：2025,50(8):268-294

摘要：

研究了不同退火温度（760~1000 ℃）对舰船用大规格TC4ELI钛合金板材的显微组织及力学性能的影响。通过对普通退火后试样进行室温拉伸、室温冲击、-20 ℃冲击试验及显微组织分析，探讨了退火温度与组织性能的关联性。试验结果表明：在760~960 ℃范围内，板材的抗拉强度和屈服强度变化较小，塑性和冲击韧性保持相对稳定；当退火温度升至1000 ℃时，板材的强度与冲击韧性虽无明显变化，但塑性显著下降。显微组织分析表明，随着退火温度的升高，β相含量逐渐增加，初生α相含量相应减少，并在1000 ℃时几乎完全溶解。研究结果为优化TC4ELI钛合金板材的热处理工艺提供了理论依据，对其在舰船领域的应用具有指导意义。

The influences of different annealing temperatures (760-1000 ℃) on the microstructure and mechanical properties of large-sized TC4ELI titanium alloy plates for marine applications were investigated. Through room temperature tensile test, room temperature impact test, -20 ℃ impact test and microstructure analysis of specimens subjected to conventional annealing, the correlation of annealing temperature with microstructure and properties was explored. The test results show that within the range of 760-960 ℃, the tensile strength and yield strength of the plates change slightly, while the plasticity and impact toughness remain relatively stable. However, when the annealing temperature increases to 1000 ℃, although the strength and impact toughness of the plates show no significant changes, the plasticity decreases markedly. Microstructure analysis reveals that as the annealing temperature increases, the content of β phase gradually increases, while the content of primary α phase correspondingly decreases, which is almost completely dissolved at 1000 ℃. The study results provide a theoretical basis for optimizing the heat treatment process of TC4ELI titanium alloy plates and have guiding significance for their application in the marine field.

基金项目：

海洋工程用TC4ELI钛合金板材、锻件研制（XR/KY-ZY-25001）

作者简介：贾云云(1993-)，男，学士，助理工程师 E-mail：JYY18153961205@163.com 通信作者：周雪红（1994-），女，学士，助理工程师 E-mail：18220196913@163.com

参考文献：

[1]吕逸帆,张毅,景宝全,等.固溶时效对TC4ELI钛合金组织和性能的影响[A]. 中国有色金属学会,宝山钢铁股份有限公司.第十四届全国钛及钛合金学术交流会论文集（下册）[C].上海,2010.

Lyu Y F, Zhang Y, Jing B Q, et al. Effects of solution treatment on microstructure and properties of TC4ELI titanium alloy [A]. The Nonferrous Metals Society of China, Baoshan Iron & Steel Co., Ltd.. Proceedings of the 14th National Academic Exchange Conference on Titanium and Titanium Alloys (Volume II) [C]. Shanghai,2010.

[2]赵永庆.国内外钛合金研究的发展现状及趋势[J].中国材料进展,2010,29(5):1-8,24.

Zhao Y Q. Current situation and development trend of titanium alloys [J]. Materials China,2010,29(5):1-8,24.

[3]徐雪峰,王琳,沙彦刚,等.TC4 ELI钛合金动态压缩性能及绝热剪切敏感性的研究[J].兵工学报,2020,41(2):366-373.

Xu X F, Wang L, Sha Y G, et al. Research on dynamic mechanical properties of TC4 ELI titanium alloy and its sensitivity to adiabatic shear banding [J]. Acta Armamentarii, 2020, 41(2): 366-373.

[4]王俭,李有华,李蒙,等.轧制工艺和退火温度对TC4ELI钛合金厚板显微组织的影响[J].有色金属材料与工程,2018,39(3):32-35,47.

Wang J, Li Y H, Li M, et al. Effects of rolling procedure and annealing temperature on microstructure of TC4ELI titanium alloy thick-plate [J]. Nonferrous Metal Materials and Engineering, 2018, 39(3): 32-35, 47.

[5]齐立春,黄利军,赵新青,等.热处理对TC4钛合金厚板组织和性能的影响[J].材料热处理学报,2015,36(S1):78-83.

Qi L C, Huang L J, Zhao X Q, et al. Effects of heat treatments on microstructure and mechanical properties of TC4 titanium alloy thick plate [J]. Transactions of Materials and Heat Treatment, 2015, 36(S1): 78-83.

[6]刘婉颖,林元华,陈宇海,等.不同热处理工艺对Ti6Al4V钛合金微观结构和力学性能影响 [J].稀有金属材料与工程,2017,46(3):634-639.

Liu W Y, Lin Y H, Chen Y H, et al. Effect of different heat treatments on microstructure and mechanical properties of Ti6Al4V titanium alloy [J]. Rare Metal Materials and Engineering,2017,46(3):634-639.

[7]GB/T 232—2024，金属材料弯曲试验方法[S].

GB/T 232—2024, Metallic materials—Bend testing method[S].

[8]GB/T 228.1—2021，金属材料拉伸试验第1部分：室温试验方法[S].

GB/T 228.1—2021, Metallic materials—Tensile testing—Part 1: Method of test at room temperature[S].

[9]GB/T 229—2020，金属材料夏比摆锤冲击试验方法[S].

GB/T 229—2020, Metallic materials—Charpy pendulum impact test method[S].

[10]高潘,曾卫东,张传臣,等.双重退火对TC4-DT/TC21线性摩擦焊接头组织及力学性能影响[J].稀有金属,2024,48(1):1-10.

Gao P, Zeng W D, Zhang C C, et al. Microstructure and mechanical properties of TC4-DT/TC21 linear friction welded joint with duplex annealing [J]. Chinese Journal of Rare Metals, 2024,48(1):1-10.

[11]董晓锋,张明玉,周江山,等.热处理对TC4 ELI钛合金显微组织与力学性能的影响[J]. 热加工工艺, 2022, 51(24): 142-146.

Dong X F, Zhang M Y, Zhou J S, et al. Effects of heat treatment on microstructure and mechanical properties of TC4 ELI titanium alloy [J]. Hot Working Technology, 2022, 51(24): 142-146.

[12]刘睿,惠松骁,叶文君,等.退火温度对TC4钛合金动态断裂韧性的影响[J].稀有金属材料与工程,2011,40(10):1799-1803.

Liu R, Hui S X, Ye W J, et al. Effects of annealing temperature on dynamic fracture toughness for TC4 titanium alloy [J]. Rare Metal Materials and Engineering, 2011, 40(10): 1799-1803.

[13]Niinomi M, Kobayashi T. The effect of microstructure on impact toughness of TC4 titanium[J]. Materials Science & Engineering, 1988, 100: 45-55.

服务与反馈：

【文章下载】【加入收藏】