Plastic Instability during Combined Torsion-Tension Deformation in Al-0.72% Si Alloy

16 January Pub Date : 1989-01-16 DOI:10.1002/PSSA.2211110114
T. H. Youssef, F. Saadalah, I. K. Bishay
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引用次数: 1

Abstract

Pure tensile and combined torsion–tension deformation experiments are made using Al–0.72% Si samples of different grain diameters. Plastic instability behaviour is observed in the case of combined torsion–tension deformation. The onset and disappearance of this instability is found to depend on some parameters, as mode of deformation, applied axial tensile stress, working temperature, sample grain diameter, and quenched-in vacancies. Reine Dehnungs- und kombinierte Torsions–Dehnungs-Deformationsexperimente werden an Al–0,72% Si-Proben verschiedenen Korndurchmessers durchgefuhrt. Es wird plastisches Instabilitatsverhalten im Fall der kombinierten Torsions–Dehnungsdeformation beobachtet. Es wird gefunden, das das Einsetzen und Verschwinden dieser Instabilitat von einigen Parametern, wie Deformationsmode, angelegter axialer Tensionsspannung, Arbeitstemperatur, Probenkorndurchmesser und den eingeschreckten Leerstellen abhangt.
Al-0.72% Si合金扭拉复合变形过程中的塑性失稳
纯粹的耗子和指挥性勒索实验可用于需要不同的调查方法非稳定家庭行为调查邻居击溃他的网球震荡各种现象不稳定造成破坏破坏包括一些流派用于单独的拉伸和延展拉伸调整使用模糊的混合物渗透变形人们发现,这种不稳定的特性与它的设置和消失,如关键因素,假信息模式,与公理力学的边角边框,
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