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Effect of pulse frequency on microstructure of 21% Cr ferritic stainless steel in pulsed gas tungsten arc welding

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Abstract

Thin plates of 21% Cr ferritic stainless steel welded by pulsed gas tungsten arc welding at different pulse frequencies were investigated for the microstructure characteristics and hardness behavior. The welds contained columnar grains in the outer part and fine equiaxed grains in the central region due to the pulsed process.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China

    Shengsun Hu  (胡绳荪), Ruifeng Han  (韩瑞峰) & Junqi Shen  (申俊琦)

  2. Tianjin Key Laboratory of Advanced Joining Technology, Tianjin, 300072, China

    Shengsun Hu  (胡绳荪), Ruifeng Han  (韩瑞峰) & Junqi Shen  (申俊琦)

  3. Research Institiute, Baoshan Iron & Steel Co., Ltd., Shanghai, 200431, China

    Jian Han  (韩 俭) & Haigang Xu  (许海刚)

Authors
  1. Shengsun Hu  (胡绳荪)
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  2. Ruifeng Han  (韩瑞峰)
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  3. Junqi Shen  (申俊琦)
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  4. Jian Han  (韩 俭)
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  5. Haigang Xu  (许海刚)
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Corresponding author

Correspondence to Shengsun Hu  (胡绳荪).

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Hu Shengsun, born in 1956, male, Prof.

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Hu, S., Han, R., Shen, J. et al. Effect of pulse frequency on microstructure of 21% Cr ferritic stainless steel in pulsed gas tungsten arc welding. Trans. Tianjin Univ. 19, 127–129 (2013). https://doi.org/10.1007/s12209-013-1803-4

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  • DOI: https://doi.org/10.1007/s12209-013-1803-4

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