Influence of Texture on Mechanical Behavior of Friction-Stir-Processed Magnesium Alloy
Influence of Texture on Mechanical Behavior of Friction-Stir-Processed Magnesium Alloy
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DOI：
10.1007/s11661-009-0079-8
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发表时间：
2010-01-01
影响因子：
2.8
通讯作者：
Mishra, R. S.
中科院分区：
文献类型：
--
作者：
Bhargava, G.;Yuan, W.;Mishra, R. S.
搅拌摩擦处理（FSP）提高了金属材料的力学性能。对AZ31B镁合金进行了单道次和多道次搅拌摩擦加工。摩擦搅拌镁合金在横向（TD）表现出比纵向（LD）更高的抗拉强度和延展性。单道次和多道次摩擦搅拌材料在拉伸性能上表现出相似的各向异性，但多道次摩擦搅拌材料的微观组织呈细晶状，具有较高的抗拉强度和塑性。摩擦搅拌AZ31B的拉伸各向异性源于FSP过程中形成的织构组织。
Friction stir processing (FSP) improves the mechanical properties of metallic materials. In this study, a magnesium alloy AZ31B was friction stir processed by using single and multiple pass. The friction-stir-processed magnesium alloy exhibits higher tensile strength and ductility in the transverse direction (TD) compared to the longitudinal direction (LD). Both single pass and multiple (two) pass friction-stir-processed material show similar anisotropy in tensile properties, but the multiple pass friction-stir-processed material shows fine-grained microstructure with higher tensile strength and ductility. The tensile anisotropy in the friction-stir-processed AZ31B originated from the textured microstructure that evolved during FSP.