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Ti-Al금속간화합물의고온변형거동및라멜라조직의결정방위분포
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  • Ti-Al금속간화합물의고온변형거동및라멜라조직의결정방위분포
저자명
박규섭,강창용,이근진,정한식,정영관,복부양지,Park. Kyu-Seop,Kang. Chang-Yong,Lee. Keun-Jin,Chung. Han-Shik,Jung. Young-Guan,Fukutomi. Hiroshi
간행물명
한국정밀공학회지
권/호정보
2004년|21권 10호|pp.162-169 (8 pages)
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한국정밀공학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

High temperature uniaxial compression tests in the alpha single phase region were carried out on the Ti -43mo1%Al intermetallic compound, in order to obtain oriented lamellar microstructure. The compression deformation temperatures and strain rates are from 1573k to 1623k and 1.0x10$^{-4}$ s to 5.0x10$^{-3}$ s, respectively. Fully lamellar microstructure was observed after the uniaxial compression deformation in a single phase region followed by cooling to room temperature. Lamellar colony diameter depended on strain rates and test temperatures. The diameter varied between 8601m and 300fm. Stress-strain curve showed a work softening and the size of lamellar colony diameter varied depending on peak stresses. This shows the occurrence of dynamic recrystallization. Texture measurements after the uniaxial compression deformation, showed the development of fiber during dynamic recrystallization. It is seen that the area for the maximum pole density existed in 35 degrees away from the compression plane. The texture sharpens with a decrease in strain rate