On the Microstructures of Spray-Deposited and Homogenized Al-Zn-Mg-Cu Alloys

On the Microstructures of Spray-Deposited and Homogenized Al-Zn-Mg-Cu Alloys

In this study, a high strength Al-Zn-Mg-Cu alloy was prepared by the spray deposition technique. The microstructures of spray-deposited and homogenized Al-Zn-Mg-Cu alloys were studied using scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. The results indicate th...

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Veröffentlicht in:Materials science forum 2010-01, Vol.638-642, p.374-377
Hauptverfasser: Li, Zhi Hui, Bauckhage, Klaus, Zhang, Yong An, Zuo, Yu Ting, Xiong, Bai Qing, Zhu, Bao Hong, Wang, Feng, Liu, Hong Wei, Zhang, Ji Shan, Frichting, Udo
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container_title Materials science forum
container_volume 638-642
creator Li, Zhi Hui
Bauckhage, Klaus
Zhang, Yong An
Zuo, Yu Ting
Xiong, Bai Qing
Zhu, Bao Hong
Wang, Feng
Liu, Hong Wei
Zhang, Ji Shan
Frichting, Udo
description In this study, a high strength Al-Zn-Mg-Cu alloy was prepared by the spray deposition technique. The microstructures of spray-deposited and homogenized Al-Zn-Mg-Cu alloys were studied using scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. The results indicate that the microstructure of the spray-deposited alloy mainly is composed of the Al matrix and the Mg(ZnCu)2 compounds. The spray-deposited process has an obvious modification in size, morphology and distribution of the secondary phases in the microstructure as well as reduce of segregation. After homogenization, the coarsening of the grains in the microstructure is not obvious, a phase transformation of primary Mg(ZnCu)2 particles to Al2CuMg phase was found.
doi_str_mv 10.4028/www.scientific.net/MSF.638-642.374
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