마그네슘 판재 온간 성형의 파단 예측 모델 비교 연구A Comparative Study of Failure Criteria for Magnesium Alloy Sheet under Warm Press Forming Condition
- Other Titles
- A Comparative Study of Failure Criteria for Magnesium Alloy Sheet under Warm Press Forming Condition
- Authors
- 김흥규; 김종덕; 허영무; 김우진
- Issue Date
- 2012
- Publisher
- 한국소성가공학회
- Keywords
- Magnesium Alloy; Formability; Failure Criteria; Warm Press Forming
- Citation
- 소성가공, v.21, no.2, pp.113 - 118
- Journal Title
- 소성가공
- Volume
- 21
- Number
- 2
- Start Page
- 113
- End Page
- 118
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/19572
- ISSN
- 1225-696X
- Abstract
- Magnesium sheet alloys possess limited plastic formability at room temperature but their formability is substantially improved at elevated temperatures and optimum strain rates. In the present paper, three different types of failure criteria, namely, strain-based, stress-based, and work-based criteria, are compared for their applicability to warm press forming of magnesium sheet alloys. Warm deep-drawing experiments were conducted on AZ31 alloy sheet, and the results were used to assess the strength and weakness of the failure criteria.
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Collections - Graduate School > Materials Science and Engineering > 1. Journal Articles
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