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Ni基高溫自潤(rùn)滑涂層的顯微結(jié)構(gòu)及磨損性能
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國(guó)家自然科學(xué)基金(50601019，50635060，50771077)；國(guó)家“973”項(xiàng)目（2007CB707705，2007CB707706）


Microstructure and Tribological Properties of Ni-Based Self-Lubricating Coating
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    摘要:

    通過(guò)高能球磨、冷等靜壓及高頻感應(yīng)燒結(jié)在Ni基合金圓棒上成功制備HFIS304高溫自潤(rùn)滑涂層。HFIS304成分(質(zhì)量分?jǐn)?shù),下同)為NiCr (80/20)合金(60%)，Cr2O3(20%)，Ag(10%)和共晶BaF2/CaF2 (10%)。HFIS304涂層組織致密，3種潤(rùn)滑相尺寸細(xì)小。研究表明，在室溫到600 ℃的范圍內(nèi)，HFIS304涂層的耐磨性優(yōu)于PS304涂層。

    Abstract:

    HFIS304 self-lubricating coating was prepared by high-energy ball milling, cold isostatic pressing and high-frequency induction sintering (HFIS) on a Ni-based superalloy rod, and its composition was NiCr (80/20) matrix (60wt%) combined with Cr2O3 (20wt%), Ag (10wt%) and eutectic BaF2/CaF2 (10wt%) as solid self-lubricating additives. The microstructure of HFIS304 coating was dense, and three kinds of lubricating phases were fine. Research shows that wear resistance and friction coefficient of the HFIS304 coating are superior to that of the PS304 coating in the range from room temperature to 600 °C.

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劉春暉,崔樹(shù)茂,王麗華,楊志懋,丁秉鈞,丁春華. Ni基高溫自潤(rùn)滑涂層的顯微結(jié)構(gòu)及磨損性能[J].稀有金屬材料與工程,2010,39(1):72~75.[Liu Chunhui, Cui Shumao, Wang Lihua, Yang Zhimao, Ding Bingjun, Ding Chunhua. Microstructure and Tribological Properties of Ni-Based Self-Lubricating Coating[J]. Rare Metal Materials and Engineering,2010,39(1):72~75.]
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  • 收稿日期:2009-01-15
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