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Static Recrystallization and Precipitation Behaviors of Weathering Steel for Bridges

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Abstract:

The static recrystallization and precipitation behavior of weathering steel were studied using thermal simulation technology. The influence of temperature and interval time was analyzed and the softening percentage of static recrystallization was calculated. The morphology and distribution of precipitates were studied, and the driving force for static recrystallization and pinning force of precipitation were calculated. Results show that the higher the deformation temperature is, the faster static recrystallization proceed. Retardation of recrystallization could occur even in the early stage of precipitation. The precipitation pinning force showed a peak in the intermediate stage, and finally decreased as particles coarsened.

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Materials Processing Technology, ICAMMP2011 View Preview

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Periodical:

Advanced Materials Research (Volumes 418-420)

Pages:

1435-1438

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.418-420.1435

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Online since:

December 2011

Authors:

Hong Yan Wu, Xianghua Liu, Lin Xiu Du, Yan Min Zhao

Keywords:

Pinning Force, Static Precipitation, Static Recrystallization, Weathering Steel

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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