가스분무주조 Cu-Sn-Ni-Si 합금의 미세조직 및 상온 인장성질
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
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- 2010.12
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 17권 / 6호
ㆍ저자명 : 강희수, 이언식, 이규창, 백경호
영어 초록
In this study, Cu-10Sn and Cu-10Sn-2Ni-0.2Si alloys have been manufactured by spray casting in order to achieve a fine scale microstructure and high tensile strength, and investigated in terms of microstructural evolution, aging characteristics and tensile properties. Spray cast alloys had a much lower microhardness than continuous cast billet because of an improved homogenization and an extended Sn solid solubility. Spray cast Cu-Sn-Ni-Si alloy was characterized by an equiaxed grain microstructure with a small-sized (Ni, Si)-rich precipitates. Cold rolling of Cu-Sn-Ni-Si alloy increased a tensile strength to 1220 MPa, but subsequent ageing treatment reduced a ultimate tensile strength to 780 MPa with an elongation of 18%.
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