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Ratio of Fe-Al compound at interface of steel-backed Al-graphite semi-solid bonding plate

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Abstract

The ratio of Fe-Al compound at the bonding interface of solid steel plate to Al-7graphite slurry was used to characterize the interfacial structure of steel-Al-7graphite semi-solid bonding plate quantitatively. The relationship between the ratio of Fe-Al compound at interface and bonding parameters (such as preheat temperature of steel plate, solid fraction of Al-7graphite slurry and rolling speed) was established by artificial neural networks perfectly. The results show that when the bonding parameters are 516 °C for preheat temperature of steel plate, 32.5% for solid fraction of Al-7graphite slurry and 12 mm/s for rolling speed, the reasonable ratio of Fe-Al compound corresponding to the largest interfacial shear strength of bonding plate is obtained to be 70.1%. This reasonable ratio of Fe-Al compound is a quantitative criterion of interfacial embrittlement, namely, when the ratio of Fe-Al compound at interface is larger than 70.1%, interfacial embrittlement will occur.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Bei**g Jiaotong University, Bei**g, 100044, China

    Zhang Peng PhD  (张鹏) (Professor), Du Yun-hui  (杜云慧), Liu Han-wu  (刘汉武) & Zhang Jun  (张君)

  2. Department of Mechanical Engineering, Tsinghua University, Bei**g, 100084, China

    Zeng Da-ben  (曾大本)

  3. Anshan Automobile Fittings Factory, Anshan, 114014, China

    Ba Li-min  (巴立民)

Authors
  1. Zhang Peng PhD  (张鹏)
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  2. Du Yun-hui  (杜云慧)
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  3. Liu Han-wu  (刘汉武)
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  4. Zhang Jun  (张君)
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  5. Zeng Da-ben  (曾大本)
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  6. Ba Li-min  (巴立民)
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Corresponding author

Correspondence to Zhang Peng PhD  (张鹏).

Additional information

FOundation item: Project(50054) supported by the Program for New Century Excellent Talents in University; project(20060004020) supported by the Research Fund for the Doctoral Program of Higher Education; project(3062017) supported by the Natural Science Foundation of Bei**g, China; project(2004SZ007) supported by the Foundation of Bei**g Jiaotong University

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Zhang, P., Du, Yh., Liu, Hw. et al. Ratio of Fe-Al compound at interface of steel-backed Al-graphite semi-solid bonding plate. J Cent. South Univ. Technol. 14, 7–12 (2007). https://doi.org/10.1007/s11771-007-0002-7

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  • DOI: https://doi.org/10.1007/s11771-007-0002-7

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