An enhanced strength Ni matrix composite reinforced by a 3D network structure of TiN nano-particles
An enhanced strength Ni matrix composite reinforced by a 3D network structure of TiN nano-particles
复制标题
TiN纳米颗粒3D网络结构增强Ni基复合材料的强度
DOI：
10.1016/j.matdes.2020.108638
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发表时间：
2020-06
影响因子：
8.4
通讯作者：
Sun Baode
中科院分区：
文献类型：
--
作者：
Wang Rui;Zhu Guoliang;Zhou Wenzhe;Wang Wei;Wang Donghong;Dong Anping;Shu Da;Sun Baode
增强是提高陶瓷颗粒增强金属基复合材料力学性能的关键问题。采用低能球磨（LEBM）和放电等离子烧结（SPS）制备了具有三维（3D）网状结构的TiN纳米颗粒增强Ni基复合材料。TiN/Ni复合材料的极限抗拉强度（UTS）为690 MPa，比Ni基体提高383%。在晶界处形成的TiN纳米颗粒的三维网状结构使晶粒细化，并在TiN/Ni界面附近产生高密度的位错，协同促进了强度的增强。三维网状结构的陶瓷颗粒可能是实现cprmmc优异性能的潜在解决方案。
Strengthening is a critical issue for improving the mechanical properties of ceramic particles reinforced metal matrix composites (CPRMMCs). A Ni matrix composite reinforced by TiN nano-particles (TiNNP) with a three-dimensional (3D) network structure was synthesized via low-energy ball-milling (LEBM) and spark plasma sintering (SPS). The ultimate tensile strength (UTS) of the TiN/Ni composite is 690 MPa, an increase of 383% compared to that of the Ni matrix. The 3D network structure of TiN nano-particles formed at the grain boundaries refines the grains significantly and generates a high density of dislocations near the TiN/Ni interface, synergistically contributing to the enhanced strength. Ceramic particles of 3D network structure may be a potential solution to achieving superior properties of CPRMMCs.
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影响因子：
8.4
作者：
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通讯作者：
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影响因子：
2.3
作者：
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影响因子：
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通讯作者：
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影响因子：
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作者：
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通讯作者：
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影响因子：
10.9
作者：
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通讯作者：
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