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超细氮化硼多孔纤维对WC-ZrO2复合材料力学性能的改善
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1.华南理工大学国家金属材料近净成形工程技术研究中心;2.河北工业大学材料科学与工程学院

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基金项目:

the Natural Science Foundation of China (No.51474108, 51575193, and 51402086), the Hundred Talents Program of Hebei Province (E2014100011), the Key Project of Guangdong Natural Science Foundation (No.2018B030311051), and the Heyuan Science and Technology Project (heke2018009).


Improvements of mechanical properties of WC-ZrO2 composites with addition of ultrafine porous boron nitride nanofiber
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Affiliation:

1.National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials,South China University of Technology;2.School of Materials Science and Engineering,Hebei University of Technology;3.P R China

Fund Project:

the Natural Science Foundation of China (No.51474108, 51575193, and 51402086), the Hundred Talents Program of Hebei Province (E2014100011), the Key Project of Guangdong Natural Science Foundation (No.2018B030311051), and the Heyuan Science and Technology Project (heke2018009).

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    摘要:

    本研究采用放电等离子烧结方法首次制备了超细氮化硼多孔纤维改善的WC-ZrO2复合材料。在添加了超细氮化硼多孔纤维之后,样品的硬度和断裂韧性同时获得了提升。而个别成分样品的杨氏模量则突破了复合材料混合法则的局限,高达692GPa,接近纯WC的杨氏模量 700GPa。

    Abstract:

    In this study, using spark plasma sintering, an ultrafine porous boron nitride nanofiber-improved WC-ZrO2 composite was prepared. The obtained composites displayed superior properties in terms of hardness and fracture toughness. In particular, the Young’s modulus value increased but did not follow the rule of mixtures for most of ceramics-based composites (up to 692 GPa, close to 700 GPa of pure WC).

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曹廷,李小强,李京懋,黄阳,宋涛,屈盛官,梁良.超细氮化硼多孔纤维对WC-ZrO2复合材料力学性能的改善[J].稀有金属材料与工程,2021,50(3):802~806.[Ting Cao, Xiaoqiang Li, Jingmao Li, Yang Huang, Tao Song, Shengguan Qu, Liang Liang. Improvements of mechanical properties of WC-ZrO2 composites with addition of ultrafine porous boron nitride nanofiber[J]. Rare Metal Materials and Engineering,2021,50(3):802~806.]
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历史
  • 收稿日期:2020-02-27
  • 最后修改日期:2020-07-01
  • 录用日期:2020-07-20
  • 在线发布日期: 2021-04-02
  • 出版日期: