焊接
材料科学
极限抗拉强度
搅拌摩擦焊
接头(建筑物)
冶金
合金
复合材料
热影响区
母材
铝
摩擦焊接
工作(物理)
基础(拓扑)
结构工程
机械工程
数学分析
数学
工程类
作者
J.C. Verduzco Huarez,Rafael García Hernández,Gonzalo M. Domínguez Almaraz,Jack Lopez
标识
DOI:10.15282/ijame.17.2.2020.07.0588
摘要
This research work focuses on the study of the improvement of mechanical properties, specifically the tensile strength of 6061-T6 aluminum alloy on prismatic specimens with 9.5 mm thickness that has been subjected to friction stir welding process and two heat treatments; solubilized and aging before or after the welding process. Three cases studied and evaluated were, welding of the base material without heat treatment (BMW), solubilized heat treatment and partial aging of the base material before welding (HTBW), and heat treatment of solubilized and aging of the base material after welding (HTAW). The obtained results show an increase of about 10% (20 MPa) of tensile strength for the HTBW process, compared to BMW case. In addition, for the case of HTAW, the obtained tensile resistance presents a joint efficiency of 96%, which is close to the tensile strength of the base material (»310 MPa).
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