Research on Temperature Changes and Microstructure Evolution of Steel Target after the Penetration by Copper Jet

Hao Chen; Gang Tao

doi:10.4028/www.scientific.net/AMR.311-313.953

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 311-313Research on Temperature Changes and Microstructure...

Research on Temperature Changes and Microstructure Evolution of Steel Target after the Penetration by Copper Jet

Abstract:

In order to study dynamic response of metal, this paper makes use of theoretical formula to investigate changes of temperature and grain size on steel target after the penetration of copper jet based on data gathered from the experiments. Deformed target penetrated by copper jet could be divided into superplastic deformation zone and normal deformation zone according to the different microstructure. Temperature distribution of each deformation zones is in turn calculated by two constitutive equations. The results indicate that areas with high temperature concentrate on the narrow zone near the penetrated channel. Then, the calculation of grain size conforms to the observation. It is obviously proven that the method used in this paper is trustworthy for calculating the changes of temperature and grain size of target caused by penetration.

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Advanced Materials Research (Volumes 311-313)

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953-956

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.311-313.953

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Online since:

August 2011

Authors:

Hao Chen, Gang Tao

Keywords:

Grain Size, Penetration, Superplastic Deformation, Temperature

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