The Adiabatic Shear in Metals

Chen Weizhong;Xu Zuyao

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 1990, Vol. 11 ›› Issue (4) : 53-59. DOI: 10.3969/j.issn.1000-1093.1990.04.008
Paper

The Adiabatic Shear in Metals

  • Chen Weizhong、 Xu Zuyao
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Abstract

The temperature distribution under shear with a Kigh strain rate and the cooling rate of the shear bands of Al，Cu and 0.06C steel have been calculated using a computer. The results show that the temperature of shear band increases with the increase of the average strain rate (Y0). When Y0 is in the range 8 X 105 to 106s-1the structure of the adiabatic shear band in a 0.06C steel is martensitic but it becomes metallic glass if Y0> = lO6s-1. As to Al and Cu, the structure of the adiabatic shear bands can also be one of metallic glass if V0 is greater than 1. 8 X 106 and 5. 5 X 107 s-1 respectively .It explains that Cu tends to be the most reluctant to form an adiabatic shear band， while 0.06C steel forms the band most readily among the three metals.

Key words

adiabatic shear / shear band / temperature distribution, celculation of cooling rate

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Chen Weizhong、 Xu Zuyao. The Adiabatic Shear in Metals. Acta Armamentarii. 1990, 11(4): 53-59 https://doi.org/10.3969/j.issn.1000-1093.1990.04.008

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