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�������պ����ѧѧ�� 2001, Vol. 27 Issue (2) :133-136    DOI:
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Study of Sol-gel/Microcapsule Compound Coating on Stainless Steel
ZHU Li-qun, LIU Chen-min, LI Xue-yuan*
Beijing University of Aeronautics and Astronautics, Dept. of Materials Science and Engineering

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Abstract�� A method for applying compound coating using a sol-gel/microcapsule method is described. Orhanosilicon resin having been made into microcapsule was added to zirconia sol. The microcapsulation technique was applied to the preparation of compound coatings. Through a lot of experiments and tests, a kind of sol-gel/microcapsule compound coating which has good performances of high-temperature oxidation resistance and corrosion resistance has been attained. The mechanism of its good performances is that some slight crackles come into being on the skin of microcapsules in the process of high-temperature oxidation, the liquid in the core could flow out to fill and level up the cracks caused by the difference in the expansion coefficient between zirconia and stainless steel substrate.
Keywords�� sol-gel process   composite materials   coating   microcapsule     
Received 2000-01-04;
Fund:

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About author: ����Ⱥ(1955-),��,ɽ��������,����,100083,����.
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����Ⱥ, ������, ��ѩԴ.����ֱ����ܽ�-����/΢���Ҹ���Ĥ����о�[J]  �������պ����ѧѧ��, 2001,V27(2): 133-136
ZHU Li-qun, LIU Chen-min, LI Xue-yuan.Study of Sol-gel/Microcapsule Compound Coating on Stainless Steel[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2001,V27(2): 133-136
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