The effect of microwave heating on the microstructure and the mechanical properties of reaction-bonded boron carbide

被引：0
|
作者：
Dutto, Mathieu [1 ,2 ]
Goeuriot, Dominique [1 ]
Saunier, Sebastien [1 ]
Sao-Joao, Sergio [1 ]
Marinel, Sylvain [3 ]
Frage, Nachum [2 ]
Hayun, Shmuel [2 ]
机构：
[1] Mines St Etienne, Dept Mecan & Proc Elaborat Directe, Ctr Sci Mat & Struct, Lab Georges Friedel,UMR 5307, St Etienne 2, France
[2] Ben Gurion Univ Negev, Dept Mat Engn, Beer Sheva, Israel
[3] UCBN, CRISMAT Lab, UMR 6508, CNRS,ENSICaen, Caen, France
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2020年 / 17卷 / 02期
关键词：
boron carbide; microwave; reaction bonding; COMPOSITES; ARMOR;
D O I：
10.1111/ijac.13379
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：
Reaction-bonded boron carbide composites were fabricated by both microwave (under Ar/10% H-2) and conventional heating (under vacuum or Ar/10% H-2). Silicon carbide (SiC) formation occurred in all cases and was slightly favored in the case of microwave heating under Ar/H-2. The resulting microstructures were influenced by the heating process and atmosphere; the SiC existed in the form of needles with conventional heating under vacuum. SiC small polygonal grains were present after microwave heating under Ar/H-2. Both the atmosphere and the electromagnetic field influence the SiC morphology. Despite this difference, the hardness and toughness of composites obtained by both heating techniques were similar.
引用
收藏
页码：751 / 760
页数：10
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