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反應(yīng)等離子噴涂Ni3Al涂層的組織與性能
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工業(yè)和信息化部資助項(xiàng)目(115-2-856)；中國科學(xué)院創(chuàng)新基金項(xiàng)目(CXJJ-09-M56)；國家自然科學(xué)基金(50901071)


Microstructure and Properties of Reaction Plasma Sprayed Ni3Al Coating
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    摘要:

    為了滿足高溫?zé)岱雷o(hù)的需求，采用等離子噴涂技術(shù)制備Ni3Al復(fù)合涂層，并詳細(xì)研究了涂層的組織結(jié)構(gòu)、結(jié)合強(qiáng)度、熱震性能及高溫抗氧化性能。結(jié)果表明，由于Ni、Al粉體之間接觸充分，噴涂過程中，完全反應(yīng)生成了Ni3Al中間相，并放出大量的熱，涂層與基體呈微冶金結(jié)合，結(jié)合強(qiáng)度較普通鎳包鋁涂層高30%~40%，并具有良好的抗熱震性和高溫抗氧化性能

    Abstract:

    In order to meet the need of high temperature thermal protection, Ni3Al coating was prepared by plasmas spraying technology. The microstructure, bond strength, thermal shock and anti-oxidation properties of the coating were studied. The results show that due to the full contact between the nickel powder and the aluminum powder, the Ni3Al intermetallic compound are completely formed during plasma spraying and a lot of heat is released. The coating and the matrix are of micro metallurgic bonding. The coating shows high thermal shock and anti-oxidation properties and its bond strength is 30% to 40% higher than that of the commercial NiAl coating

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王文明,杜令忠,張偉剛,楊 濱,許存官.反應(yīng)等離子噴涂Ni3Al涂層的組織與性能[J].稀有金屬材料與工程,2011,40(3):555~558.[Wang Wenming, Du Lingzhong, Zhang Weigang, Yang Bin, Xu Cunguan. Microstructure and Properties of Reaction Plasma Sprayed Ni3Al Coating[J]. Rare Metal Materials and Engineering,2011,40(3):555~558.]
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  • 收稿日期:2010-03-25
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