한국주조공학회지 (Journal of Korea Foundry Society)

  • 제22권3호
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  • Pages.114-120
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  • 2002
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  • 1598-706X(pISSN)
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  • 2288-8381(eISSN)
한국주조공학회 (Korea Foundry Society)
권호 표지

용해 및 가공조건 변화가 Ti-10wt.%Ta-10wt.%Nb합금의 미세조직에 미치는 영향

Effects of Melting and Rolling Condition of Ti-10wt.%Ta-10wt.%Nb Alloy on Microstructure Variation

  • 발행 : 2002.06.20
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초록

A new titanium based alloy, Ti-10Ta-10Nb, has designed to examine the improved mechanical properties and biocompatibility. A specimen of titanium alloy was melted in a consumable vacuum arc furnace and homogenized at $1050^{\circ}C$ for 24 h. The effect of hot rolling on microstructure was estimated after rolling at $400^{\circ}C$ and $800^{\circ}C$ respectively. Surface of melted alloy by consumable vacuum arc melting was consisted of rough surface and it was changed to sound surface by coating of $ZrO_2$ slurry on copper mold surface. The hardness of Ti-10Ta-10Nb alloy increased with the amount of${\alpha}+{\beta}$ phase. Ti-10Ta-10Nb alloy showed $Widmanst{\"{a}}ten$ structure by hot rolling at $800^{\circ}C$ and in the rolling ${\beta}-region$ was negligible effects on microstructure refining.

키워드

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