Microstructure and mechanical properties of SiC-nanowire-augmented tungsten composites

Dongju Lee; Heesub Park; Hojin Ryu

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Microstructure and mechanical properties of SiC-nanowire-augmented tungsten composites

机译：SiC纳米线增强钨基复合材料的组织和力学性能

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The effect of an addition of SiC nanowire on the microstructure and mechanical properties of tungsten-based composites is investigated in this study. SiC-nanowire-augmented tungsten composites were prepared by a spray-drying process and an in situ spark plasma sintering process. Three distinctive reaction phases, tungsten, tungsten carbide (W_2C) and rod-type tungsten silicide (W_5Si_3) were formed during the sintering process. The flexural strength was significantly increased from 706 MPa to 924 MPa in tungsten composites augmented with SiC nanowires, as was the formation of W_2C and W_5Si_3 phases.

机译：在这项研究中研究了添加SiC纳米线对钨基复合材料的微观结构和力学性能的影响。通过喷雾干燥法和原位火花等离子体烧结法制备了SiC-纳米线增强钨复合材料。在烧结过程中形成了三个不同的反应相：钨，碳化钨（W_2C）和棒状硅化钨（W_5Si_3）。在W碳和W_5Si_3相的形成中，碳化硅纳米线增强的钨复合材料的抗弯强度从706 MPa显着提高到924 MPa。

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《Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics》 |2011年第37期|共5页
作者
Dongju Lee; Heesub Park; Hojin Ryu;
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正文语种 eng
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Metal matrix composites; Powder metallurgy; Sintering; Microstructure; Mechanical properties;

机译：金属基复合材料;粉末冶金;烧结;显微组织;力学性能;

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1. Microstructure and mechanical properties of SiC-nanowire-augmented tungsten composites [J] . Dongju Lee, Heesub Park, Hojin Ryu Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2011,第37期

机译：SiC纳米线增强钨基复合材料的组织和力学性能
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Microstructure and mechanical properties of SiC-nanowire-augmented tungsten composites

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