Effect of tungsten matrix on the mechanical property of SiC fiber reinforced tungsten composites with foils fabricated at 1700?°C
Effect of tungsten matrix on the mechanical property of SiC fiber reinforced tungsten composites with foils fabricated at 1700?°C
复制标题
钨基体对1700℃碳化硅纤维增强箔片钨复合材料力学性能的影响
DOI：
10.1016/j.nme.2022.101142
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发表时间：
2022
影响因子：
2.6
通讯作者：
Hinoki Tatsuya
中科院分区：
文献类型：
--
作者：
Du Yina;Hinoki Tatsuya
以W箔为基体，在1700 °C、20 MPa的压力下热压1 h制备了SiC纤维增强W复合材料。研究了W箔厚度对复合材料的相组成、显微组织和力学性能的影响。此外，还确定了本工作中所用钨箔的再结晶温度。结果表明：0.08mm箔材复合材料的力学性能为197MPa，伪塑性高于0.05mm箔材复合材料的129MPa。此外，烧结后的使用过的箔已经再结晶，并且W可以通过XRD鉴定。因此，SiC纤维可以作为增韧W的有效增强体，致密的箔材作为基体可以部分阻止反应。
The SiC fiber reinforced tungsten (W) composites were prepared by hot press process at 1700 °C for 1 h under a pressure of 20 MPa with W foils as matrix. The effect of thickness of W foils on the phases, microstructure, and mechanical properties of the composites were investigated in this work. In addition, the recrystallization temperature of W foil used in this work was confirmed. The results demonstrated that the composites with 0.08 mm foil exhibited better mechanical property with 197 MPa and high pseudo ductility than those of the 0.05 mm foil composites of 129 MPa. In addition, the used foils after sintering have recrystallized, and W can be identified by XRD. Therefore, SiC fiber can be an effective reinforcement to toughen W and dense foils as matrix can prevent the reaction partially.