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炭/炭復(fù)合材料抗氧化抗熱震銥涂層的研究進(jìn)展
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Progress in Study of Oxidation-Resistant and Thermal Shock-Resistant Iridium Coatings for Carbon/Carbon Composites
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    摘要:

    銥是航天領(lǐng)域1800 ℃以上炭/炭復(fù)合材料抗氧化抗熱震涂層的首選材料。本文介紹了物理氣相沉積、金屬有機物化學(xué)氣相沉積、熔鹽電解沉積和雙層輝光等離子沉積等4種主要制備銥涂層的方法，討論了銥涂層與炭/炭復(fù)合材料基體之間過渡層的材料選擇，總結(jié)了銥涂層的地面試車測試結(jié)果，分析了影響銥涂層壽命的因素，指出今后我國制備銥涂層的技術(shù)途徑應(yīng)采用熔鹽電解沉積 (Electroformed Deposition, 簡寫為ED)、雙層輝光等離子沉積 (Double-glow Plasma Deposition, 簡寫為DPD)方法。

    Abstract:

    Iridium (Ir) is one of the most potential oxidation-resistant and thermal shock-resistant materials for carbon/carbon composites above 1800 oC in aerospace field. In this work, the current status of research of Ir coatings is reviewed. The main preparation methods, physical vapor deposition, metalorganic chemical vapor deposition, melting salt electroformed deposition and double-glow plasma deposition for the oxidation-resistant and thermal shock-resistant Ir coatings, are introduced. The interlayer between Ir coating and carbon/carbon composites which can increase bonding strength and match thermal stress is studied. The summary of engine test of Ir coatings is presented. The influencing factors of service time of Ir coatings are discussed. The practical techniques to prepare Ir coatings in China are put forward.

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華云峰,李爭顯,杜繼紅.炭/炭復(fù)合材料抗氧化抗熱震銥涂層的研究進(jìn)展[J].稀有金屬材料與工程,2010,39(11):2059~2063.[Hua Yunfeng, Li Zhengxian, Du Jihong. Progress in Study of Oxidation-Resistant and Thermal Shock-Resistant Iridium Coatings for Carbon/Carbon Composites[J]. Rare Metal Materials and Engineering,2010,39(11):2059~2063.]
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  • 收稿日期:2009-11-20
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