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管約束鉬絲電爆噴涂涂層特性
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國家自然科學(xué)基金項目（51061011）


Characteristics of Molybdenum Coating Prepared by Electro-thermal
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    摘要:

    采用連續(xù)送絲的管約束電爆噴涂方法，進行鉬絲的電爆噴涂實驗，分析不同初始充電電壓和噴涂距離所得涂層的結(jié)合強度，以及涂層表面形貌和截面特征。結(jié)果表明：在一定的噴涂距離范圍內(nèi)，可獲得完全由液態(tài)金屬撞擊基體表面形成的液態(tài)噴涂層。根據(jù)VDI3198檢測標準，液態(tài)噴涂層的結(jié)合強度屬于HF-1～HF-3級。隨著噴涂距離的增加，噴涂材料中摻雜的固相顆粒增多，所得涂層的結(jié)合強度變小。初始充電電壓升高，獲得液態(tài)噴涂層的最大噴涂距離減小

    Abstract:

    With variations of initial charging voltage and spraying distance, Mo coatings were prepared by electro-thermal explosion spraying with a constraining tube. The bonding strength, surface morphology and cross-section characteristics of the coating were analyzed. The results show that the coating is formed by liquid metal within a certain spraying distance. Based on the standard of VDI3198, the bonding strength grade of liquid spraying coating belongs to HF-1～HF-3. With the spraying distance increases, the proportion of solid particles in the explosion products increases, the bonding strength grade of the coatings decreases. The increase of initial charging voltage can decrease the maximum spraying distance of the liquid spraying coating

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朱 亮,喬河濤,張鵬飛,畢學(xué)松,趙進峰.管約束鉬絲電爆噴涂涂層特性[J].稀有金屬材料與工程,2013,42(7):1488~1491.[Zhu Liang, Qiao Hetao, Zhang Pengfei, Bi Xuesong, Zhao Jinfeng. Characteristics of Molybdenum Coating Prepared by Electro-thermal[J]. Rare Metal Materials and Engineering,2013,42(7):1488~1491.]
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  • 收稿日期:2012-07-19
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