Simulation of Void Defect Evolvement during the Forging of Steel Ingot

Kun Chen; Yi Tao Yang; Ke Jia Liu; Guang Jie Shao

doi:10.4028/www.scientific.net/AMR.97-101.3079

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Simulation of Void Defect Evolvement during the...

Simulation of Void Defect Evolvement during the Forging of Steel Ingot

Abstract:

Simulation method of void defect evolvement during the forging of steel ingot was determined by comparing simulated and experimental results of void closure in the cylinder specimens during forging. Calculation results of long and short void defect evolvement during forging indicated that effective strain required for void closure was induced by the integration of stress. The closure of tetrahedral void is the most difficult with the maximal values of critical reduction on void closure during forging, on the basis of which, theory basis is provided for making forging process.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

3079-3084

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.3079

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Online since:

March 2010

Authors:

Kun Chen, Yi Tao Yang, Ke Jia Liu, Guang Jie Shao

Keywords:

Closure Region, Simulation Method, Stress Concentration, Void Defect

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