Compressive Properties and Failure Mechanisms of Gradient Aluminum Foams Prepared by a Powder Metallurgy Method

被引：6
|
作者：
Huang, Wenzhan [1 ]
Liu, Guangming [1 ]
Li, Huaying [1 ]
Wang, Fang [1 ]
Wang, Yanli [2 ]
机构：
[1] Taiyuan Univ Sci & Technol, Sch Mat Sci & Technol, Taiyuan 030024, Peoples R China
[2] North Univ China, Sch Mat Sci & Technol, Taiyuan 030051, Peoples R China
来源：
METALS | 2021年 / 11卷 / 09期
关键词：
gradient aluminum foam; compression properties; failure mechanisms; two-layered structure; powder metallurgy method; GRADED CELLULAR MATERIALS; BEHAVIOR; MICROSTRUCTURE;
D O I：
10.3390/met11091337
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A layered gradient aluminum foam was prepared by powder sintering with sodium thiosulfate (Na2S2O3) particles as the cell-forming agent. By cutting, polishing and observing under a microscope, it was found that the aluminum powder particles were not completely melted after sintering but were only combined by surface melting. Based on the quasi-static compression test and the macroscopic diagram of the sample during deformation, the mechanical properties of gradient aluminum foam were studied, and their deformation characteristics and mechanism were analyzed and discussed.
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页数：10
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