A New Ductile Fracture Criterion and Its Application to the Prediction of Forming Limit in Deep Drawing

材料科学技术（英文）, 2003, 19(z1): 217-219.

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1.School of Materials Sci. & Eng., Harbin Institute of Technology, Harbin 150001, China

2.School of Materials Sci. & Eng., Harbin Institute of Technology, Harbin 150001, China

3.School of Materials Sci. & Eng., Harbin Institute of Technology, Harbin 150001, China

4.School of Materials Sci. & Eng., Harbin Institute of Technology, Harbin 150001, China

A New Ductile Fracture Criterion and Its Application to the Prediction of Forming Limit in Deep Drawing

With considering the influence of equivalent plastic strain on void-damage and taking Lemaitre damage equivalent stress as plastic potential, based on continuous damage mechanics theory, a new criterion for ductile fracture is derived. The two key materia

参考文献

[1]	H W Swift .[J].Journal of the Mechanics and Physics of Solids,1952,1:1.
[2]	R Hill .[J].Journal of the Mechanics and Physics of Solids,1952,1:19.
[3]	Z Marciniak;K Kuczynski .[J].International Journal of Mach Sci,1967,9:609.
[4]	J Lemaitre .[J].ASME Journal of Engineering Materials and Technology,1985,107:83.
[5]	G L Roy .[J].Acta Metallurgica,1981,29:1509.

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A New Ductile Fracture Criterion and Its Application to the Prediction of Forming Limit in Deep Drawing

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