Synthesis of functionally graded AA7075-B4C composite with multi-level gradient structure

被引：23
作者：
Wu, Chuandong [1 ,2 ]
Shi, Ruoyu [3 ]
Zhang, Jian [2 ]
Luo, Guoqiang [2 ]
Shen, Qiang [2 ]
Gan, Zhanghua [1 ]
Liu, Jing [1 ]
Zhang, Lianmeng [2 ]
机构：
[1] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Hubei, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
[3] China Ship Dev & Design Ctr, Wuhan 430064, Hubei, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2019年 / 45卷 / 06期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
B4C; Gradient structure; Bending strength; Sintering; MECHANICAL-PROPERTIES; BALLISTIC PERFORMANCE; BORON-CARBIDE; MICROSTRUCTURE; BEHAVIOR; DEFORMATION; FABRICATION; STRENGTH; DESIGN;
D O I：
10.1016/j.ceramint.2019.01.080
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The three-layered structured AA7075-B4C systems functionally graded materials (FGMs) were successfully synthesized via plasma activated sintering (PAS). In the current study, the results indicated that the multi-level gradient structures, including the reinforcements, dislocations and precipitates, could be observed based on the microstructural characterization. This type of FGMs exhibited a significantly high bending strength of similar to 1291 MPa with AA7075 being loaded in tensile, which could be ascribed to the excellent bonding between different layers as well as the multi-level gradient structures.
引用
收藏
页码：7761 / 7766
页数：6
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