Preparation of ZrB2 based composites by reactive melt infiltration at relative low temperature
Preparation of ZrB2 based composites by reactive melt infiltration at relative low temperature
复制标题
低温反应熔渗制备ZrB2基复合材料
DOI:
10.1016/j.matlet.2011.06.070
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发表时间:
2011-10
影响因子:
3
通讯作者:
王松
中科院分区:
文献类型:
--
作者:
王松
ZrB2based composites were prepared by a novel reactive melt infiltration process. The porous boron bars were used as preforms and infiltrated by the low melting Zr2Cu intermetallic compound. Thermodynamics calculations revealed that B could react with liquid Zr2Cu to form ZrB2as low as 1100°C. Composites were prepared by heating the two materials to 1200°C for 3h in vacuum. The resultant composites were studied with XRD and SEM. ZrB2was identified to be the main constituent. The composites had a flexural strength of 414.3MPa, a flexural modulus of 183.6GPa, and a fracture toughness of 5.5MPam1/2.
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