Age-hardening characteristic of an Al-Zn-Mg-Cu alloy produced by spray deposition

查看全文 作　　者：WANG Feng XIONG Baiqing ZHANG Yongan ZHU Baohong LIU Hongwei ZHANG Zhihui WANG [1]Zixing

机构地区：[1]State Key Laboratory for Fabrication and Processing of Nonferrous Metals, Beijing General Research Institute for Nonferrous Metals, Beijing 100088, China

出　　处：《Rare Metals》索引2007年第26卷第2期,共6页

基　　金：This work was financially supported by the Major State Basic Research Development Program of China (No. 2005CB623704). 摘　　要：Al-10.8Zn-2.8Mg-1.9Cu alloy was synthesized by spray atomization and deposition technique. GP zones and age-hardening process in the alloy were investigated using high-resolution electron microscopy (HREM), selected area diffraction (SAD), and differential scanning calorimetry (DSC) analysis. The results indicated that spray deposition process accelerated the aging kinetics of the alloy at an aging temperature of 120°C, thereby reducing the peak aging time to 16 h. GPI and GPII are the two types of zones that are major precipitates for the alloy under peak-aged condition. The precipitation sequence for the alloy is also discussed. 关键词：AL-ZN-MG-CU合金铝合金喷涂沉积时效硬化特性

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Age-hardening characteristic of an Al-Zn-Mg-Cu alloy produced by spray deposition

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