Elevated Temperature Strength and Microstructure of Atomized and Ball-milled Al-xFe-yCr Alloys
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
- 최종 저작일
- 2000.12
- 8페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 7권 / 4호
ㆍ저자명 : Kim Kyeong-Hwan, Chun Byong-Sun
영어 초록
Gas atomization mechanical alloying and hot pressing have successfully made high temperature Al-9.45Fe-4.45Cr alloy. The microstructure and mechanical properties of this alloy has been studied by using optical microscope, scanning electron microscope, transmission electron microscope, X-ray diffractometer and compressive tester. It contains high concentration of transition elements of Fe and Cr, which form thermally stable dispersoids in the aluminum matrix. Proper oxidation of powders during ball milling strengthens the bulk extrudates by providing the obstacle particles. The oxide particles are very chemically and thermally stable and prevent the coarsening of the intermediate compounds.
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