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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  ......
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......
-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  ......
temperature deformation can be represented by Zener-Hollomon parameter in the hyperbolic Arrhenius-type equation, and the stress-strain curves obtained by the established model are in good agreement... The microstructures of WE91 during deformation processing are influenced by temperature and strain rates. Key words: rare-earth magnesium alloy; Zener-Hollomon parameter; flow stress model; microstructure 1......
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recrystallization.The flow stress of 2519 aluminum alloy during high temperature deformation can be represented by Zener-Hollomon parameter including the Arrhenius term. Key words: 2519 aluminum alloy; hot compression deformation; flow stress; Zener-Hollomon parameter 2519铝合金是继5083, 7039铝合金之后美国于20世纪80年代研发的一种新型装甲铝合金, 该合金具有良好的抗弹性能, 焊接性能及抗应力腐蚀性能[1-3]. 对2519合金在焊接及抗应力腐蚀方面的研究已有较多的报道[2-7]. 流变应力是表征金属与合金塑性变形性能的一个最基本量, 在......
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