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SiO2对铝合金熔体直接氧化的影响
引用本文:周曦亚,陈建峰.SiO2对铝合金熔体直接氧化的影响[J].复合材料学报,1997,14(2):86-91.
作者姓名:周曦亚  陈建峰
作者单位:[1]华南理工大学无机系 [2]大连理工大学
摘    要:本文研究了在高温空气氛中涂覆在Al-Mg-Si合金表面的SiO2对铝合金直接氧化的影响规律。实验揭示了SiO2对Al-Mg-Si合金熔体直接氧化生长表面的形态的影响规律,发现SiO2有助于Al2O3/Al复合材料以光滑的方式进行氧化生长,提高了材料的致密度。实验还发现,SiO2可消减Al-Mg-Si合金熔体直接氧化所需的孕育期,缩短Al2O3/Al复合材料的生长时间。

关 键 词:直接氧化  铝合金熔体  SiO2  Al2O3/Al  复合材料
收稿时间:1995-10-19
修稿时间:1996-04-17

EFFECT OF SiO 2 ON THE OXIDATION OF ALUMINUM ALLOY
Zhou Xiya.EFFECT OF SiO 2 ON THE OXIDATION OF ALUMINUM ALLOY[J].Acta Materiae Compositae Sinica,1997,14(2):86-91.
Authors:Zhou Xiya
Affiliation:1. South China University of Technology, Guangzhou 510641;2. Dalian University of Technology, Dalian 116023
Abstract:This article studies the effect of SiO 2 to be coated on the surface of alloy Al Mg Si on its directed oxidation at high temperature in air. The experiment observed the morphology of the surface of alloy Al Mg Si formed by directed oxidation. It was discovered that SiO 2 can make the oxidation growth of Al 2O 3/Al composite in the way of gloss not of cell shape, which raised the relative density of the material. In addition, it was found that SiO 2 could decrease the incubation period needed for the directed oxidation of Al Mg Si alloy and reduce the growth time of Al 2O 3/Al composites
Keywords:directed oxidation  molten aluminum alloy  SiO  2  Al  2O  3/Al composites  
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