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氣/液比和擠壓比對過共晶鋁-硅合金初晶硅相的影響

謝長安,  尚成嘉,  賀信萊,  熊柏青,  石力開

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文章導航 > 工程科學學報  > 1999 >  21(5): 465-467,471
謝長安, 尚成嘉, 賀信萊, 熊柏青, 石力開. 氣/液比和擠壓比對過共晶鋁-硅合金初晶硅相的影響[J]. 工程科學學報, 1999, 21(5): 465-467,471. doi: 10.13374/j.issn1001-053x.1999.05.041
引用本文: 謝長安, 尚成嘉, 賀信萊, 熊柏青, 石力開. 氣/液比和擠壓比對過共晶鋁-硅合金初晶硅相的影響[J]. 工程科學學報, 1999, 21(5): 465-467,471. doi: 10.13374/j.issn1001-053x.1999.05.041
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Xie Zhangan, Shang Chengjia, He Xinlai, Xiong Boqing, Shi Likai. Influence of Heat Extrusion Process on Primary Si Phrase in Hypereutectic Al-Si Alloy[J]. Chinese Journal of Engineering, 1999, 21(5): 465-467,471. doi: 10.13374/j.issn1001-053x.1999.05.041
Citation: Xie Zhangan, Shang Chengjia, He Xinlai, Xiong Boqing, Shi Likai. Influence of Heat Extrusion Process on Primary Si Phrase in Hypereutectic Al-Si Alloy[J]. Chinese Journal of Engineering, 1999, 21(5): 465-467,471. doi: 10.13374/j.issn1001-053x.1999.05.041
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氣/液比和擠壓比對過共晶鋁-硅合金初晶硅相的影響

doi: 10.13374/j.issn1001-053x.1999.05.041

  • 1. 北京科技大學材料科學與工程學院, 北京 100083;

  • 2. 北京有色金屬研究總院, 北京 100088

基金項目: 

國家“863”高科技項目(No.715-009-0031)

詳細信息
    作者簡介:

    謝長安 男,25歲,碩士生

  • 中圖分類號: TF124.33;TF125.1

Influence of Heat Extrusion Process on Primary Si Phrase in Hypereutectic Al-Si Alloy

  • 1. Material Science and Engineering School, UST Beijing, Beijing 100083, China;

  • 2. Beijing General Research Institute for Nonferrons Metals, Beijing 100088, China

    摘要
  • 摘要: 研究了霧化沉積制備過共晶Al-Si-X合金過程中,氣/液比對沉積坯中初晶硅相尺寸的影響,觀察了隨熱擠壓前預熱溫度的升高,沉積坯中初晶硅相的長大情況.并通過相同溫度不同擠壓比下擠壓組織的比較,討論了熱擠壓時擠壓比對過共晶Al-Si合金中初晶硅相細化過程的影響,提出細化材料組織的最佳工藝參數.

     

    Abstract: The influence of preheat temperature to the size of primary Si phrase of hypereutectic Al-Si X alloy produced by Spray-forming is concerned, the materials' microstrucature which extruded under the same temperature but different extrusion ratio are compared. The various effect of atomizing gas to melting metal and extrusion ratio to the primary Si phrase are discussed and the possible reasons which might cause microcracks are analyzed.

     

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出版歷程
  • 收稿日期:  1999-05-21
  • 網絡出版日期:  2021-08-27

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