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Synthesis of Ti2AlC by hot pressing and its mechanical and electrical properties Synthesis of Ti2AlC by hot pressing and its mechanical and electrical properties

Synthesis of Ti2AlC by hot pressing and its mechanical and electrical properties

  • 期刊名字:中國有色金屬學(xué)會(huì)會(huì)刊(英文版)
  • 文件大?。?/li>
  • 論文作者:WANG Ping,MEI Bing-chu,HONG Xi
  • 作者單位:School of Science,State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
  • 更新時(shí)間:2023-02-08
  • 下載次數(shù):
論文簡(jiǎn)介

Ti2AlC bulk material was synthesized by hot pressing of mixture powders of TiC, Ti, Al and active carbon. The phase compositions of resultant product at different temperature were detected by X-ray diffractometer. The microstructures of the samples were observed by SEM. Finally, the mechanical properties and thermal properties of the sample at 1 400 ℃ were measured. The results show that high purity Ti2AlC material with little Ti3AlC2 can be synthesized by hot pressing 0.5TiC/1.5Ti/1.0Al/0.5C at 1 400℃. Ti2AlC exhibits high mechanical properties and metallic electrical properties. Its fracture toughness is 7.0 MPa·m1/2, its flexural strength is 384 MPa at room temperature, and its electrical conductivity is 2.56×106Ω-1·m-1 at room temperature.

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