Proceedings of the Korean Powder Metallurgy Institute Conference (한국분말야금학회:학술대회논문집)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Microstructures and Properties of Molybdenum Wire Doped with Minim $La_2O_3$

  • Li, DaCheng (17th Floor of Jie Rui Mansion, No.208 West Section of The Second South Ring Road) ;
  • Bu, Chunyang (17th Floor of Jie Rui Mansion, No.208 West Section of The Second South Ring Road) ;
  • Zhu, Yong-An (17th Floor of Jie Rui Mansion, No.208 West Section of The Second South Ring Road) ;
  • Wang, Jin (17th Floor of Jie Rui Mansion, No.208 West Section of The Second South Ring Road)
  • Published : 2006.09.24
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Abstract

The microstructures and properties of pure molybdenum wire and $Mo-La_2O_3$ alloy wire annealed at different temperatures are investigated systematically in this paper. It is shown that the recrystallization temperature, toughness and strength at room temperature of this wire was increased greatly by addition of $La_2O_3$. The room temperature embrittlement of this wire annealed at high temperature is improved remarkably.

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