Edge cracking is commonly observed in cold rolling process. However, its failure mechanism is far from fully understanding due to the complex stresses and plastic flow conditions of steel strip under the rolling condition. In this paper, an extended Gurson–Tvergaard–Needleman (GTN) damage model coupled with Nahshon–Hutchinson shear damage mechanism was introduced to investigate the damage and fracture behavior of steel strip in cold rolling. The results show that extended GTN damage model is efficient in predicting the occurrence of edge crack in cold rolling, and the prediction is more accurate than that of the original GTN damage model. The edge cracking behavior under various cold rolling process parameters is investigated. It comes to the conclusion that edge crack extension increases with the increase of the reduction ratio, tension and the decrease of the roller radius and friction coefficient. The influence of shear damage becomes more significant in rolling condition with a larger reduction ratio, smaller roller radius, lower friction force, and tension.
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April 2015
Research-Article
Prediction of Edge Crack in Cold Rolling of Silicon Steel Strip Based on an Extended Gurson–Tvergaard–Needleman Damage Model
Quan Sun,
Quan Sun
Key Laboratory of Pressure System and Safety,
Ministry of Education,
e-mail: sunquan0501@163.com
Ministry of Education,
East China University of Science and Technology
,130th Meilong Road
,Shanghai 200237
, China
e-mail: sunquan0501@163.com
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Jianjun Chen,
Jianjun Chen
1
Key Laboratory of Pressure System and Safety,
Ministry of Education,
e-mail: jjchen@ecust.edu.cn
Ministry of Education,
East China University of Science and Technology
,130th Meilong Road
,Shanghai 200237
, China
e-mail: jjchen@ecust.edu.cn
1Corresponding author.
Search for other works by this author on:
Hongliang Pan
Hongliang Pan
Key Laboratory of Pressure System and Safety,
Ministry of Education,
e-mail: hlpan@ecust.edu.cn
Ministry of Education,
East China University of Science and Technology
,130th Meilong Road
,Shanghai 200237
, China
e-mail: hlpan@ecust.edu.cn
Search for other works by this author on:
Quan Sun
Key Laboratory of Pressure System and Safety,
Ministry of Education,
e-mail: sunquan0501@163.com
Ministry of Education,
East China University of Science and Technology
,130th Meilong Road
,Shanghai 200237
, China
e-mail: sunquan0501@163.com
Jianjun Chen
Key Laboratory of Pressure System and Safety,
Ministry of Education,
e-mail: jjchen@ecust.edu.cn
Ministry of Education,
East China University of Science and Technology
,130th Meilong Road
,Shanghai 200237
, China
e-mail: jjchen@ecust.edu.cn
Hongliang Pan
Key Laboratory of Pressure System and Safety,
Ministry of Education,
e-mail: hlpan@ecust.edu.cn
Ministry of Education,
East China University of Science and Technology
,130th Meilong Road
,Shanghai 200237
, China
e-mail: hlpan@ecust.edu.cn
1Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received March 24, 2014; final manuscript received October 13, 2014; published online December 12, 2014. Assoc. Editor: Gracious Ngaile.
J. Manuf. Sci. Eng. Apr 2015, 137(2): 021003 (6 pages)
Published Online: April 1, 2015
Article history
Received:
March 24, 2014
Revision Received:
October 13, 2014
Online:
December 12, 2014
Citation
Sun, Q., Chen, J., and Pan, H. (April 1, 2015). "Prediction of Edge Crack in Cold Rolling of Silicon Steel Strip Based on an Extended Gurson–Tvergaard–Needleman Damage Model." ASME. J. Manuf. Sci. Eng. April 2015; 137(2): 021003. https://doi.org/10.1115/1.4028827
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