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SiO_2对Al-Zn-Si合金直接熔融氧化的影响 被引量：3

Effect of SiO_2 Surface Dopant on Directed Oxidation of Molten Aluminium Alloy
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摘要 通过热质量分析试验,研究了在高温空气中的熔融 Al Zn Si合金表面覆盖 SiO2 引发剂对铝合金直接氧化生长过程的影响.研究结果表明:SiO2 能显著缩短Al Zn Si合金直接熔融氧化的孕育期及 Al2O3/Al复合材料的生长时间,并且有助于 Al2O3/Al复合材料以光滑方式进行氧化生长,形成细化胞状晶团,提高组织均匀度和材料的致密度.促进Al2O3/Al复合材料生长的最佳SiO2 覆盖量为12 mg/cm2. The effect of SiO_2 surface dopant on directed oxidation of alloy AlZnSi at high temperature in air was studied by thermogravimetric experiments. The results show that SiO_2 markedly shortens the incubation period of AlZnSi alloy directed oxidation and the growth time of Al_2O_3/Al composites. In addition, it is observed that Al_2O_3/Al composite grows with gloss cellular front when SiO_2 surface dopant is added, which facilitates raising the fine cellular of Al_2O_3/Al composite, the homogeneity of microstructure and relative density of the material. The optimum content of SiO_2 for promoting the oxidation growth of Al_2O_3/Al composites approaches to 12 mg/cm^2.
作者 赵敬忠 高积强 金志浩
机构地区 西安交通大学金属材料强度国家重点实验室
出处 《西安交通大学学报》 EI CAS CSCD 北大核心 2005年第3期278-281,285,共5页 Journal of Xi'an Jiaotong University
基金 陕西省教育厅科技创新项目(03JK139).
关键词 复合材料 直接氧化 热质量试验 SiO2引发剂 composite directed oxidation thermogravimetric experiment SiO_2 dopant
分类号 TB333 [一般工业技术—材料科学与工程]
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共引文献3

同被引文献24

  • 1袁森,都业志,王武孝.SiO_2表面覆盖剂对铝合金熔体直接氧化生长的影响[J].中国有色金属学报,2001,11(z1):13-16. 被引量：4
  • 2成守权,赵敬忠,谷臣清.ZnO引发剂对铝合金直接熔融氧化生长的影响[J].硅酸盐学报,2004,32(6):671-674. 被引量：7
  • 3赵敬忠,高积强,金志浩.Al-Si-Zn合金的直接氧化生长[J].中国有色金属学报,2005,15(2):282-287. 被引量：3
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西安交通大学学报
2005年 第3期

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