Synthesis and Mechanical Properties of (Ti,V)2AlC/Al2O3 In Situ Solid Solution Composites by Reactive Hot Pressing
Synthesis and Mechanical Properties of (Ti,V)2AlC/Al2O3 In Situ Solid Solution Composites by Reactive Hot Pressing
复制标题
反应热压合成(Ti,V)2AlC/Al2O3原位固溶体复合材料及其力学性能
DOI:
10.1111/j.1551-2916.2012.05393.x
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发表时间:
2012-10
期刊:
影响因子:
--
通讯作者:
Na Han
中科院分区:
文献类型:
--
作者:
Jianfeng Zhu;Na Han
Solid solution composites of (Ti,V)2AlC/Al2O3 were successfully synthesized using the in situ hot-pressing process by the incorporation of the thermit reaction of Al with V2O5 in Ti, Al, and carbon black system. The phase evolution during the formation of the composites was examined from 500°C to 1350°C, and a possible reaction mechanism was proposed to explain the formation of (Ti,V)2AlC/Al2O3 solid solution composites. The composite with 10 wt% Al2O3 possesses the best mechanical properties and the hardness, flexural strength, and fracture toughness of the composites are enhanced by 53.2%, 140%, and 180%, respectively. The strengthening and toughening mechanisms were also discussed.
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