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Acta Metall Sin  1986, Vol. 22 Issue (3): 63-70    DOI:
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INFLUENCE OF AGING BETWEEN TENSION AND COMPRESSION UPON BAUSCHINGER EFFECT AND COERCIVITY OF DUAL PHASE STEEL
by MA Mingtu; CHEN Duxing (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing)
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by MA Mingtu; CHEN Duxing (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing). INFLUENCE OF AGING BETWEEN TENSION AND COMPRESSION UPON BAUSCHINGER EFFECT AND COERCIVITY OF DUAL PHASE STEEL. Acta Metall Sin, 1986, 22(3): 63-70.

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Abstract  The influence of aging at 175℃ between tension and compression upon the Bauschinger effect and variation of coercivity of dual phase steels has been investigated. The results show that the aging after tension may increase the yield strength of dual phase steel in reversal compression to the value of flow stress for strain in the original tension and occur the Lüders strain as well as dispel the prior Bauschinger effect. But it does not change the variation of coercivity with tension and compression. This implies that the aging at 175℃ after tension does not change the value of the back stress due to original tension. A measuring method of back stress was suggested and the practical importance of mentioned results has been discussed.
Received:  18 March 1986     
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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1986/V22/I3/63

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