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Fracture prediction for sheet metals subjected to draw-bending using forming limit stress criterion
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- Saito Masazumi
- Department of Mechanical System Engineering, Tokyo University of Agriculture and Technology
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- Kuwabara Toshihiko
- Division of Advanced Mechanical Systems Engineering, Institute of Engineering, Tokyo University of Agriculture and Technology
Bibliographic Information
- Other Title
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- 成形限界応力による高張力鋼板の曲げ曲げ戻し割れ予測
Description
A fracture criterion for sheet metals subjected to draw-bending is investigated using the concept of forming limit stress criterion. The test material used is a 1.2-mm-thick dual phase steel sheet with a tensile strength of 590 MPa (DP590Y). The forming limit stress of the test material subjected to draw-bending , σDB, has been precisely determined from the measured data of drawing force and the cross sectional area of the specimen. Moreover, biaxial tube expansion tests of the test material have been performed to measure the forming limit stress under plane strain tension, σPT. It is found that σDB almost coincides with σPT.
Journal
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- NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan
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NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 62 (0), 25-, 2013
National Committee for IUTAM
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Details 詳細情報について
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- CRID
- 1390001205591692544
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- NII Article ID
- 130004605077
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed
