Tailoring the composite interface at lower temperature by the nanoscale interfacial active layer formed in cold sprayed cBN/NiCrAl nanocomposite
Tailoring the composite interface at lower temperature by the nanoscale interfacial active layer formed in cold sprayed cBN/NiCrAl nanocomposite
复制标题
通过冷喷涂cBN/NiCrAl纳米复合材料中形成的纳米级界面活性层在较低温度下定制复合材料界面
DOI:
10.1016/j.matdes.2017.11.062
复制
发表时间:
2018-02
影响因子:
8.4
通讯作者:
Chang-Jiu Li
中科院分区:
文献类型:
--
作者:
Xiao-Tao Luo;Chang-Jiu Li
Strong interfacial bonding is usually preferred in composite materials to obtain enhanced heat, electron transport and load transfer abilities. To induce chemical interfacial bonding in cubic Boron Nitride (c-BN) based composites, ultra-high temperatures (1200–2000 °C) and pressures (7–12 GPa) are required in conventional sintering due to the high chemical inertness of c-BN. In this work, a nanometer thick active layer containing a high concentration of crystal defects including lattice disorder, dislocations, and grain boundaries is formed at the reinforcement/matrix interface region in cubic BN/NiCrAl composite during supersonic impact consolidation. Kinetics and thermodynamics of the interfacial reaction are greatly enhanced by the active layer, so that a c-BN/Cr2N/AlB2/NiCrAl interfacial structure was formed at a low annealing temperature of 825 °C. Due to the limited thickness of the active layer, the interfacial reacting products were confined to tens of nanometers width and excessive interfacial reaction induced mechanical property deterioration is avoided. The enhanced interfacial bonding leads to a substantial improvement in thermal conductivity, from 15.4 to 36.5 W m− 1K− 1.
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影响因子:
8.4
作者:
Guo, Baisong;Song, Min;Du, Yong
通讯作者:
Du, Yong
DOI:
10.1017/cbo9780511709333
发表时间:
--
期刊:
--
影响因子:
--
作者:
J. Maxwell
通讯作者:
J. Maxwell
影响因子:
6
作者:
Xiao-Tao Luo;Guanjun Yang;Chang-jiu Li;K. Kondoh
通讯作者:
Xiao-Tao Luo;Guanjun Yang;Chang-jiu Li;K. Kondoh
影响因子:
9.4
作者:
L. Cha;S. Lartigue-Korinek;M. Walls;L. Mazerolles
通讯作者:
L. Cha;S. Lartigue-Korinek;M. Walls;L. Mazerolles
影响因子:
8.4
作者:
Chengcheng Zhang;G. Luo;Jian Zhang;Dai-Chang Yang;Q. Shen;Lianmeng Zhang
通讯作者:
Chengcheng Zhang;G. Luo;Jian Zhang;Dai-Chang Yang;Q. Shen;Lianmeng Zhang