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鈦合金表面激光熔敷Cr13Ni5Si2基金屬硅化物涂層組織與耐磨性
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TG146

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國(guó)家高技術(shù)研究發(fā)展計(jì)劃(2002AA331030,2002AA305203)資助,武器裝備預(yù)研究基金(51418050201HK0119),航空基礎(chǔ)科學(xué)基金(02H51011),國(guó)防基礎(chǔ)科研項(xiàng)目,北京市自然科學(xué)基金(2022012)及教育部跨世紀(jì)優(yōu)秀人才培養(yǎng)計(jì)劃基金項(xiàng)目


Microstructure and Wear Resistance of Laser Clad Cr13Ni5Si2-Based Metal Silicide Coating on Titanium Alloy
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    摘要:

    以Cr-Ni-Si合金粉末為原料、利用激光熔敷技術(shù)在鈦合金表面上制得了Cr13Ni5Si2基金屬硅化物冶金涂層，在于滑動(dòng)磨損條件下測(cè)試了該涂層的耐磨性能。結(jié)果表明，激光熔敷Cr13Ni5Si2基金屬硅化物涂層組織主要由Cr13Ni5Si2初生樹(shù)枝品及少量Cr13Ni5Si2／Cr13Ni5Si2共晶組成，涂層在干滑動(dòng)磨損條件下具有優(yōu)異的耐磨性能。

    Abstract:

    A wear resistant Cr13Ni5Si2-based metal silicide coating was fabricated on a substrate of titanium alloy BT20 by laser cladding process of Cr-Ni-Si alloy powders. Wear resistance of the coating was evaluated under block-on-wheel dry sliding wear test conditions at room-temperature. Microstructure of the coating is consisted of Cr13Ni5Si2 primary dendrites and small amount of Cr13Ni5Si2/ Cr3Ni5Si2 eutectics. The laser-clad Cr13Ni5Si2-based coating exhibited an excellent wear resistance under dry sliding wear test conditions.

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菅麗娜 張凌云 于榮莉 王華明.鈦合金表面激光熔敷Cr13Ni5Si2基金屬硅化物涂層組織與耐磨性[J].稀有金屬材料與工程,2005,34(6):936~939.[Jian Lina, Zhang Lingyun, Yu Rongli, Wang Huaming. Microstructure and Wear Resistance of Laser Clad Cr13Ni5Si2-Based Metal Silicide Coating on Titanium Alloy[J]. Rare Metal Materials and Engineering,2005,34(6):936~939.]
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  • 最后修改日期:2003-09-12
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