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초록

영어

This study is related to the development of lightweight automotive materials that were carried out to develop eco-friendly vehicles worldwide. High-strength aluminum alloy is used as one of the significant lightweight materials in the field of transportation machinery, and it is used as a lightweight material in various areas, including automobiles. The A356 alloy used in this study is an excellent aluminum alloy material that has widely used as a high strength aluminum alloy material in various forming methods. In this study, to examine the characteristics of the two alloys in which Mn and Sr elements were added to the A356 alloy and the A356 alloy, both alloys were manufactured by metal mold casting, which is a gravity casting method. The obtained specimens were heat-treated under the same conditions. In this study have investigated of the microstructure analysis, thermal analysis, crystal phase analysis, and mechanical property evaluation were performed to confirm how the added Mn and Sr elements influenced the microstructure, precipitate formation, and mechanical properties.

목차

ABSTRACT
1. 서론
2. 실험 방법
2.1 합금 설계 및 시험편 제작
2.2 미세조직 분석
2.3 석출물 분석
2.4 시험편 기계적 물성 평가
3. 결과 및 고찰
3.1 FE-SEM 미세조직 및 EDS 분석
3.2 석출물 분석
3.3 기계적 물성 평가
4. 결론
후기
References

키워드

A356 합금 고인성 합금설계 미세조직 석출상 기계적 물성 결정립미세화 A356 alloy High toughness alloy design Microstructure Precipitated phase Mechanical properties Grain refinement

저자

• 유명한 [ Myeong-Han Yoo | Korea Institute of Carbon Convergence Technology ]
• 김기원 [ Kee-Won Kim | Member, Korea Institute of Carbon Convergence Technology ]
• 문민석 [ Min-Seok Moon | Korea Institute of Carbon Convergence Technology ] Corresponding Author

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