연속 다단 ECAP 공정을 통한 급속응고 Al-20 wt% Si 합금 분말의 고형화 및 특성 평가
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
- 최종 저작일
- 2008.02
- 6페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 15권 / 1호
ㆍ저자명 : 윤승채, 복천희, 서민홍, 홍순직, 김형섭
영어 초록
In this study, the bottom-up powder metallurgy and the top-down severe plastic deformation (SPD) techniques for manufacturing bulk nanomaterials were combined in order to achieve both full density and grain refinement without grain growth of rapidly solidified Al-20 wt% Si alloy powders during consolidation processing. Continuous equal channel multi-angular processing (C-ECMAP) was proposed to improve low productivity of conventional ECAP, one of the most promising method in SPD. As a powder consolidation method, C-ECMAP was employed. A wide range of experimental studies were carried out for characterizing mechanical properties and microstructures of the ECMAP processed materials. It was found that effective properties of high strength and full density maintaining nanoscale microstructure are achieved. The proposed SPD processing of powder materials can be a good method to achieve fully density and nanostructured materials.
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