Microstructures and Textures During Annealing in Low Carbon Al-Killed Steels with Low Finishing Temperatures and High Coiling Temperatures

Author:

Wu Bao Cai1,Shi Feng1,Cheng Xin Yu2,Lin Rui Min2,Liu Chun Ming1

Affiliation:

1. Northeastern University

2. Tangshan Jianlong Industry Co., Ltd.

Abstract

Microstructures and textures after annealing at 680°C in low carbon Al-killed steels with low finishing temperature and high coiling temperature were investigated by means of optical microscopy (OM), scanning electron microscopy (SEM) and X-Ray Diffractometer (XRD). The results show that higher coiling temperature and lower finishing temperature can both cause the appearance of equiaxed grain and line cementite. The equiaxed grain in 2# steel with higher coiling temperature is the more obvious. Advantage textures are weak in the steels with higher coiling temperature and lower finishing temperature and volume fraction of {111}fiber in 2# steel with higher coiling temperature is only 7.17%, so the stamping property should be worse.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

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5. R. K. Ray, J. J. Jonas and R. E. Hook: Int. Met. Rev. Vol. 39 (1994), p.129.

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