摘要
本工作对旋压变形量为50%的TA1钛筒在再结晶温度以上进行退火热处理,通过调控保温温度和保温时间,探寻最优退火工艺。采用KEYENCY VHX-950F型数码显微镜和Image-Pro Plus图像分析软件对退火试样的显微组织进行分析;采用MTS810拉伸机测试并分析退火试样的室温力学性能。结果表明旋压变形TA1试样在520℃以上进行退火热处理,其变形组织会发生回复;当退火温度在605—610℃时,进行适当时间的保温,可获得晶粒十分细小的完全再结晶组织;同时,通过再结晶细化晶粒可有效提高TA1工件的力学性能。
In this paper, TA1 titanium plate with 50 % spinning deformation was heat treated at different holding temperatures above the recrystallization temperature, and the optimal annealing process was explored by controlling the holding time.KEYENCY VHX-950 F digital microscope and Image-Pro Plus image analysis software were used to analyze the microstructure of the annealed samples;the MTS810 tensile machine was used to test and analyze the room temperature mechanical properties of the recrystallized samples.The results show that annealing heat treatment above 520 ℃, the cold deformed TA1 sample will undergo a recovery process;when the annealing temperature is 605-610 ℃, heat preservation for an appropriate time can obtain a completely recrystallized structure with very fine grains.At the same time, refining the grains can effectively improve the mechanical properties of the TAI material.
作者
沈楚
冯庆
王思琦
杨勃
何秀玲
李博
苗东
朱许刚
SHEN Chu;FENG Qing;WANG Siqi;YANG Bo;HE Xiuling;LI Bo;MIAO Dong;ZHU Xugang(Xi'an Taijin Industrial Electrochemical Technology Co.,Ltd,Xi’an 710201,China;Northwest Institute for Non-ferrous Metal Research,Xi’an 710201,China)
出处
《材料导报》
EI
CAS
CSCD
北大核心
2021年第S02期452-455,共4页
Materials Reports
关键词
旋压纯钛
退火
微观组织
力学性能
spinning pure titanium
annealing
microstructure
mechanical properties
