Ti-6321钛合金力学性能和抗弹性能

doi:10.3969/j.issn.1000-1093.2021.01.014

兵工学报 ›› 2021, Vol. 42 ›› Issue (1): 124-132.doi: 10.3969/j.issn.1000-1093.2021.01.014

Ti-6321钛合金力学性能和抗弹性能

黄竣皓¹，王琳^1,2,3，刘小品⁴，徐雪峰¹，刘安晋¹， Tayyeb Ali¹，周哲¹，宁子轩¹，杨佳彬¹，张斌斌⁵, 程兴旺^1,2,3

（1.北京理工大学材料学院，北京 100081; 2.北京理工大学冲击环境材料技术国家级重点实验室，北京 100081;3.北京理工大学爆炸科学与技术国家重点实验室，北京 100081；4.四川长虹电子控股集团有限公司，四川绵阳 621000；5.洛阳船舶材料研究所，河南洛阳 471023）

上线日期:2021-03-11
作者简介:黄竣皓(1996—), 男, 硕士研究生。E-mail: 850301027@qq.com
基金资助:
爆炸科学与技术国家重点实验室基金项目（YBKT-17-06）

Mechanical Properties and Ballistic Performance of Ti-6321 Alloy

HUANG Junhao¹, WANG Lin^1,2,3, LIU Xiaopin⁴, XU Xuefeng¹, LIU Anjin¹, Tayyeb Ali¹, ZHOU Zhe¹, NING Zixuan¹, YANG Jiabin¹, ZHANG Binbin⁵, CHENG Xingwang^1,2,3

（1.School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China;2.National Key Laboratory of Science and Technology on Materials under Shock and Impact, Beijing Institute of Technology, Beijing 100081, China; 3.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China; 4.Sichuan Changhong Electric Co., Ltd., Mianyang 621000, Sichuan, China; 5.Luoyang Ship Materials Research Institute, Luoyang 471023, Henan, China)

Online:2021-03-11

摘要/Abstract

摘要： 以等轴、双态、魏氏组织的Ti-6321钛合金为研究对象，开展力学性能试验及抗弹性能试验，获得了钛合金的静动态力学性能、抗弹性能及其靶板的宏微观损伤特征。分析组织结构对钛合金靶板抗弹性能、失效机理的影响，以及力学性能与靶板抗弹性能的关联性。研究结果表明：等轴组织Ti-6321钛合金具有较好的静态与动态强度，表现出最佳的抗弹性能，魏氏组织抗弹性能较差，双态组织介于其中；Ti-6321钛合金的动态力学性能，包括动态流变应力和冲击吸收功，均与其抗弹性能表现出较好的正相关性；微观损伤显示，不同组织的钛合金靶板均出现了绝热剪切现象，等轴组织靶板中出现的绝热剪切带数量少、长度短、分叉汇合最少，魏氏组织靶板中绝热剪切的数量多、长度长、分叉汇合多。

关键词: Ti-6321钛合金, 力学性能, 抗弹性能, 绝热剪切带

Abstract: A series of mechanical experiments and ballistic performance tests were conducted on Ti-6321 titanium alloy with three microstructures of equiaxed, bimodal and Widmanstatten structures. The macro- and micro-damage characteristics of Ti-6321 targets were analyzed. The effects of microstructure and mechanical properties on ballistic performance of titanium alloy with different microstructures were investigated. The experimental results demonstrate that the equiaxed Ti-6321 targets exhibit the best ballistic performance and good mechanical properties. The dynamic mechanical properties, including dynamic flow stress and impact absorbing energy, exhibit a positive correlation with ballistic performance. Besides, the micro-damage analysis of the targets show that target with equiaxed structure has the least number, short lengths, and less bifurcations and convergences of adiabatic shear bands on it, while the target with Widmanstatten structure has the largest number, long lengths, and more bifurcations and convergences of adiabatic shear bands on it.

Key words: Ti-6321titaniumalloy, mechanicalproperty, ballisticperformance, adiabaticshearband

中图分类号:

TG146.23

黄竣皓, 王琳, 刘小品, 徐雪峰, 刘安晋, Tayyeb Ali, 周哲, 宁子轩, 杨佳彬, 张斌斌, 程兴旺. Ti-6321钛合金力学性能和抗弹性能[J]. 兵工学报, 2021, 42(1): 124-132.

HUANG Junhao, WANG Lin, LIU Xiaopin, XU Xuefeng, LIU Anjin, Tayyeb Ali, ZHOU Zhe, NING Zixuan, YANG Jiabin, ZHANG Binbin, CHENG Xingwang. Mechanical Properties and Ballistic Performance of Ti-6321 Alloy[J]. Acta Armamentarii, 2021, 42(1): 124-132.

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Ti-6321钛合金力学性能和抗弹性能

Mechanical Properties and Ballistic Performance of Ti-6321 Alloy

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