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变εp随变形温度的升高而减小,随应变速率的增大而增大. 图2 GH696合金高温压缩变形时的流动应力-应变曲线 Fig. 2 Flow stress-strain curves of GH696 superalloy during isothermal compression at different strain rates 图3 变形温度对GH696合金... of isothermal compressed GH696 superalloy 图14 GH696合金高温变形过程中的动态再结晶体积分数计算值与试验值的对比 Fig. 14 Comparison of calculated Xdrx with experimental Xdrx during isothermal compression of GH696 superalloy......
Trans. Nonferrous Met. Soc. China 28(2018) 1114-1122 Isothermal compression behavior and constitutive modeling of Ti-5Al-5Mo-5V-1Cr-1Fe alloy Li-li CHANG, Li-wei ZHENG School of Materials Science...) starting microstructure was investigated by isothermal compression test and optical microscopy. Based on the true strain-stress data with temperature correction, constitutive models with a high......
Flow behavior and microstructure evolution during hot compression of TA15 titanium alloy XU Wen-chen(徐文臣), SHAN De-bin(单德彬), YANG Guo-ping(杨国平), L? Yan(吕 炎) School of Materials Science... experiment of tube workpieces. Key words: TA15 titanium alloy; microstructure evolution; hot compression; dynamic recrystallization; dynamic recovery 1 Introduction Due to their exceptional properties......
DETERMINATION OF ISOTHERMAL SECTION OF FE-NI-ZR TERNARY SYSTEM AT 1198K H.S. Liu1,Z.P. Jin1,S. Jin1,L.B. Liu1,G.J. Zhou1 (1.School of Materials Science and Engineering, Central-South University,Changsha 410083, China) Abstract:The isothermal section of Fe-Ni-Zr ternary system at 1198K was experimentally determinedusing diffusion triple technique together with scanning electron microscopy (SEM......
; Abstract: Isothermal compression tests were conducted to predict the hot deformational flow stress behaviour... compared with other models throughout the entire processing domain investigated. Key words: isothermal compression; 2024Al alloy; constitutive model; flow stress ......
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Effect of Semi-Solid Isothermal Heat Treatment on Microstructure of ZL104 Aluminum Alloy () 摘要:The feasibility of fabricating ZL104 aluminum alloy with non-dendritic microstructure by semi-solid isothermal heat treatment process and the effects of holding temperature and time on the semi-solid isothermal heat-treated microstructure of the alloy, are investigated. The research results indicate......
Isothermal Section of Er-Mn-Nd Ternary System at 773 K Wang Lina1,Liu Wenjun1,Liu Jingqi1 (1.Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Guangxi University, Ministry of Education, Nanning 530004, China) Abstract:The isothermal section of the Er-Mn-Nd ternary system at 773 K was investigated mainly by X-ray powder diffraction with the aid of differential thermal......
words: Ti62421s titanium alloy; isothermal compression; constitutive equation; processing map 热加工是制造金属材料零部件的重要加工工序,采用热加工不仅可以获得所需要的形状,而且可以通过加工及热处理调控材料的微观组织,从而提高材料的综合力学性能.钛合金热处理不能达到细晶强化的目的,只有通过变形才能实现细晶强化... University, Changsha 410083, China) Abstract: The thermal compression flow stress behavior of the hot compression deformation of Ti62421s alloy with reduction rate of 60% was studied under......
High temperature compression behavior of Al2O3 particle reinforced 6061aluminum alloy compositeLUAN Bo-feng((栾伯峰), WU Gao-hui(武高辉), SUN Dong-li(孙东立)(School of Materials Science and Engineering... is more homogeneous after deformation.Key words:composite; compression behavior; microstructure......
