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键词:TC21钛合金;片层组织特征;断裂韧度 中图分类号:TG 146 文献标志码:A Influence of lamellar microstructure feature on fracture toughness of TC21 alloy DANG Wei1, XUE Xiang-yi1, LI Jin-shan1, HU... the relationship between lamellar microstructure feature (thickness of α laths, width of α lath at grain boundary and α colony size) and fracture toughness, the microstructures and fracture toughness of TC21 alloy......
Trans. Nonferrous Met. Soc. China 26(2016) 599-606 Hydrogen absorption characteristics and microstructural evolution of TC21 titanium alloy Bao-guo YUAN, Yu-bin ZHENG, Yu-jie WANG, Long-qing GONG... and microstructural evolution of TC21 titanium alloy were investigated by kinetic model analysis, optical microscopy (OM) and X-ray diffraction (XRD). The results show that the hydrogen absorption reaction......
Trans. Nonferrous Met. Soc. China 23(2013) 1761-1765 Constitutive relationship model of TC21 alloy based on artificial neural network La-feng GUO1,2, Bao-cheng LI1, Zhi-min ZHANG1 1. School... thermal simulator, the flow behavior of TC21 alloy was studied systematically, and the constitutive relationship model for this alloy was developed using BP neural network. In the proposed model......
号:TG 14 文献标志码:A Influence of high temperature deformation parameters on microstructure and properties of TC21 titanium alloy ZHAO Yan-lei1, LI Bo-long1, ZHU Zhi-shou2, NIE...: The hot deformation behavior of TC21 titanium alloy was investigated at 880-950 ℃, in a strain rate range of 0.01-10 s-1 and with the total deformation of 50%. The influence of hot deformation......
TC21钛合金原始微观组织 Fig. 1 Original microstructure of TC21 titanium alloy 2 结果与分析 2.1 流变应力 图2所示为40%变形后TC21钛合金在不同变形温度和不同应变速率条件下的真应力-应变曲线.在变形开始阶段,随着应变的增加,各条件下试样流变应力均迅速增加,出现加工硬化现象[13].到达...)所示.当变形温度为970 ℃时,钛合金微观组织完全由粗大的相组成,由于此时温度在相变点之上,相已经完全溶解,如图4(d)所示.990 ℃变形时,其微观组织与970 ℃时基本一致,主要由相组成,但晶粒尺寸显著增大,如图4(e)所示. 图2 不同温度下TC21钛合金高温流变曲线 Fig. 2 Flow stress curves of TC21 titanium alloy......
Microstructures and interfacial quality of diffusion bonded TC21 titanium alloy joints LIU Hui-jie, FENG Xiu-li State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China Received 4 January 2010; accepted 12 April 2010 Abstract: Diffusion bonding of TC21 titanium alloy was carried out at temperature ranging from 780 °C to 980 °C......
:A Effect of solution treatment on morphology of near β forged TC21 alloy HOU Zhi-min, MAO Xiao-nan, LEI Wen-guang, LU Ya-feng, ZHANG Peng-sheng, HAN Dong (Northwest Institute for Norferrous Metal Research, Xi’an 710016, China) Abstract: Two-state microstructure of TC21 alloy was obtained by near β forging process. The effect of different solution treatments on the microstructure of TC21 alloy......
Trans. Nonferrous Met. Soc. China 23(2013) 2882-2889 Microstructure and mechanical properties of TC21 titanium alloy after heat treatment Zhi-feng SHI, Hong-zhen GUO, Jin-yang HAN, Ze-kun YAO School... heat treatments and influence of microstructure on mechanical properties of TC21 titanium alloy were investigated. The results indicate that the excellent mechanical properties can be obtained......
; 文献标志码:A Effect of thermo-hydrogenation treatment on microstructure of cast TC21 alloy ZHANG Peng-sheng1, ZHAO Yong-qing1, ZENG Wei-dong2 (1. Northwest Institute for Nonferrous Metal Research, Xi... during hot working of high strength and high toughness (α+β)-type titanium alloy TC21, all specimens were handled by thermo-hydrogenation treatment technology, such as being hydrogenated respectively......
Effect of microstructure on impact toughness of TC21 alloy CHEN Jun(陈军)1, ZHAO Yong-qing(赵永庆)1, ZENG Wei-dong(曾卫东)2 1. Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China; 2...; Abstract: The impact toughness of TC21 alloy after different types of forging and heat treatments was studied. The results show that heat......