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Trans. Nonferrous Met. Soc. China 29(2019) 893-906 Impact of Zener-Hollomon parameter on substructure and texture evolution during thermomechanical treatment of iron-containing wrought aluminium...: The objective of the investigation is to evaluate the influence of the Zener-Hollomon parameter on substructure and texture evolution in iron-containing wrought aluminium alloys (type AA8011......
on the Zener-Hollomon parameter (Z), which confirms that the constitutive equation has high prediction accuracy. In addition, the critical model of dynamic recrystallization assisted by using Z-parameter...: Cr4Mo4Ni4V high alloy steel; constitutive equation; Zener-Hollomon parameter; critical strain; microstructure evolution 近年来,航空工业的快速发展对航空发动机轴承的力学性能和服役寿命提出了更高的要求,而控制轴承部件的热加工组织将是提高其力学性能的重要方法[1].Cr4Mo4Ni4V高合金钢是......
Effect of Zener-Hollomon parameter on deformation microstructure in Fe-3%Si alloyFenghui AN,Yuhui SHA*,Fang ZHANG and Liang ZUO Key Laboratory for Anisotropy and Texture of Materials (Ministry... be distinguished according to Zener-Hollomon parameter (Z) based on OM observation.Furthermore,the quantitative description of subgrain size and boundary misorientation has been set up as a function......
400050, China摘 要:<正> By introducing the Zener-Hollomon parameter, which synthetically considers the influence of deformation temperature and strain rate...Modeling of damage in materials during hot deformation based on the Zener-Hollomon parameterLIU Xuefeng, WANG Lingyun, and ZHANG Li1) School of Materials Science and Engineering, University......
Effect of Zener-Hollomon Parameter on Microstructure and Mechanical Properties of Copper Subjected to Friction Stir WeldingNan Xu,Ruo-Nan Feng,Wen-Feng Guo,Qi-Ning Song,Ye-Feng BaoCollege of Mechanical and Electrical Engineering,Hohai University摘 要:In this work,the influence of the Zener-Hollomon(Z) parameter on the microstructure and mechanical......
A and β as function of strain by Zener-Hollomon parameter in the exponential function form. The corrected temperatures rising are in good agreement with those of the measured values. Key words: 6016 aluminum alloy; hot compression; constitutive model; Zener-Hollomon parameter 6×××铝合金是一种可热处理强化铝合金,此类合金具有良好的可成形性,抗蚀性,可焊性以及较强的疲劳强度与中等的静态强度,用于制造飞机油箱,油管,汽车,船舶等交通运输装备的钣金件,仪表,街灯支架,制泠装置,电视塔,钻设备,导弹零件,铆钉线材等[1-5......
titanium alloy at high temperature can be represented by a Zener-Hollomon parameter with the exponent-type equation. Key words: TC21 titanium alloy; hot deformation; microstructure; Zener-Hollomon...形参量对流动应力及微观组织的影响规律,建立了TC21合金的本构方程.结果表明:流变应力随变形温度的降低及应变速率的增大而升高,变形温度与应变速率对TC21钛合金显微组织的影响显著,应变速率越低,组织球化现象越明显.高温变形过程中,TC21钛合金的流变应力与Zener-Hollomon参数的指数形式呈线性关系. 关键词:TC21钛合金；热变形；微观组织；Zener-Hollomon参数 中图分类......
parameter. The strain rate sensitivity index (m) of AZ91D magnesium alloy is equal to 0.14. Key words: AZ91D magnesium alloy; elevated temperature compression; flow stress; Zener-Hollomon parameter...速率等对曲线的影响,得出本构方程的一系列常数,建立AZ91D镁合金在高温压缩中的本构方程关系式.结果表明:变形过程中AZ91D镁合金的流动应力随温度的升高而降低,随应变速率的升高而升高；该流动应力可以用双曲正弦函数来描述,其双曲正弦值随Zener-Hollomon参数自然对数的升高呈线性增大；AZ91D镁合金是正应变速率敏感材料,其应变速率敏感指数m=0.14. 关键词:AZ91D镁合金；高温压......
be expressed by a Zener-Hollomon parameter in the hyperbolic sine function. The values of A, α and n in the analytical expressions of flow stress(σ) are fitted to be 2.569×1017 s-1, 0.01248MPa-1 and 5.94. The hot deformation activation energy of 2195 alloy during hot deformation is 250.45kJ/mol. Key words: 2195 aluminum-lithium alloy; hot compression deformation; flow stress; Zener-Hollomon parameter ......
-state flow stress become higher with increasing Zener-Hollomon parameter (Z); Increasing deformation temperature or strain rate can weaken the {0001} basal texture and strengthen the prismatic... for hot-rolling of Mg-8Gd-3Y-0.6Zr alloy. Key words: magnesium alloy; hot-compression; dynamic recrystallization; Zener-Hollomon parameter; macrotexture ......
