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Ignition-proof properties of a high-strength Mg-Gd-Ag-Zr alloy

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Abstract

A high-strength Mg-15.3Gd-1.8Ag-0.3Zr (GQ152K, mass fraction) alloy was prepared by conventional ingot metallurgy process. The solution and aging (denoted as T6) treated alloy exhibits remarkable mechanical properties with ultimate tensile strength of 421MPa and tensile yield strength of 309MPa. It has higher igniting temperature of 1 208 K. Moreover, it can stand against flame at 1 203K for over 6min in vertical burning tests, and its flammability behavior is very similar to that of 6101Al alloy. Vertical burning tests appear to be able to directly study the flammability behavior of Mg alloys and it appears to be a good approach to study the flammability behavior of Mg alloys in an aircraft fire accident.

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Authors and Affiliations

  1. National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiaotong University, Shanghai, 200240, China

    Yu-juan Wu  (吴玉娟), Li-ming Peng  (彭立明), De-jiang Li  (李德江), Fei Huang  (黄 飞) & Wen-jiang Ding  (丁文江)

  2. State Key Laboratory of Metal Matrix Composites, Shanghai Jiaotong University, Shanghai, 200240, China

    Yu-juan Wu  (吴玉娟), Li-ming Peng  (彭立明), De-jiang Li  (李德江), Fei Huang  (黄 飞) & Wen-jiang Ding  (丁文江)

  3. School of Mechanical Engineering, Shanghai Dianji University, Shanghai, 200240, China

    Su Zhao  (赵 素)

Authors
  1. Yu-juan Wu  (吴玉娟)
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  2. Li-ming Peng  (彭立明)
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  3. Su Zhao  (赵 素)
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  4. De-jiang Li  (李德江)
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  5. Fei Huang  (黄 飞)
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  6. Wen-jiang Ding  (丁文江)
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Corresponding authors

Correspondence to Li-ming Peng  (彭立明) or De-jiang Li  (李德江).

Additional information

Foundation item: the National Natural Science Foundation of China (No. 50971089), the China Postdoctoral Science Foundation (No. 2012M511089), the China Postdoctoral Science Special Foundation (No. 201003267), the Specialized Research Fund for the Doctoral Program of Higher Education (No. 20110073120008), and the Shanghai Phospherus Program Project (No. 11QH1401200)

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Wu, Yj., Peng, Lm., Zhao, S. et al. Ignition-proof properties of a high-strength Mg-Gd-Ag-Zr alloy. J. Shanghai Jiaotong Univ. (Sci.) 17, 643–647 (2012). https://doi.org/10.1007/s12204-012-1338-1

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  • DOI: https://doi.org/10.1007/s12204-012-1338-1

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