Role of Austenitization Temperature on Structure Homogeneity and Transformation Kinetics in Austempered Ductile Iron

M. Górny; G. Angella; E. Tyrała; M. Kawalec; S. Paź; A. Kmita

추천

검색

자료유형: 학술저널

저자정보: M. Górny (AGH University of Science and Technology) G. Angella (National Research Council of Italy (CNR)) E. Tyrała (AGH University of Science and Technology) M. Kawalec (AGH University of Science and Technology) S. Paź (AGH University of Science and Technology) A. Kmita (AGH University of Science and Technology)

저널정보: 대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.25 No.4

발행연도: 2019.1

수록면: 956 - 965 (10page)

이용수

📌

연구주제

📖

연구배경

🔬

연구방법

🏆

연구결과

초록· 키워드

오류제보하기

This paper considers the important factors of the production of high-strength ADI (Austempered Ductile Iron); namely,the austenitization stage during heat treatment. The two series of ADI with diff erent initial microstructures were taken intoconsideration in this work. Experiments were carried out for castings with a 25-mm-walled thickness. Variable techniques(OM, SEM, dilatometry, DSC, Variable Magnetic Field, hardness, and impact strength measurements) were used for investigationsof the infl uence of austenitization time on austempering transformation kinetics and structure in austempered ductileiron. The outcome of this work indicates that the austenitizing temperature has a very signifi cant impact on structure homogeneityand the resultant mechanical properties. It has been shown that the homogeneity of the metallic matrix of the ADImicrostructure strongly depends on the austenitizing temperature and the initial microstructure of the spheroidal cast irons(mainly through the number of graphite nodules). In addition, this work shows the role of the austenitization temperature onthe formation of Mg–Cu precipitations in ADI.

#Metals · Casting · ADI · Heat treatment · Mg 2 Cu particle

참고문헌 (36)

참고문헌 신청

M.M. Cisneros-Guerrer / 1997 / Adv. Mater. Res 4?5:415

B. N. Olson / 2002 / AFS Trans 111:965

Olivera Eric Cekic / 2014 / Austempering Kinetics of Cu-Ni Alloyed Austempered Ductile Iron / Metals and Materials International 20(6):1131~1138

N. Arab / 2011 / J. Am. Sci 7:49

E. Nelson / 2016 / Why ADI? Four applications where ADI is the material of choice and process considerations / Ductile Iron Society 2016World Conference on ADI :1~6

함께 읽어보면 좋을 논문

논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!