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电刷镀(Ni-P)-TiN纳米微粒复合镀层的组织与力学性能

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Indexed by:期刊论文

Date of Publication:2010-09-15

Journal:电镀与精饰

Included Journals:PKU、ISTIC

Volume:32

Issue:9

Page Number:1-4

ISSN No.:1001-3849

Key Words:TiN 纳米颗粒;直流电弧等离子体法;复合电刷镀;力学性能

Abstract:采用直流电弧等离子体气相蒸发法,在氢气与氮气混合气氛中蒸发块体Ti金属制备TiN单晶纳米颗粒,以此纳米颗粒为添加粒子,利用电刷镀方法制备出(Ni-P)-TiN纳米微粒复合镀层.对纳米颗粒及其复合镀层进行了物相结构、表面形貌及微观组织分析,并测试了镀层显微硬度和耐磨性能.研究结果表明:TiN纳米颗粒具有立方晶体结构,(Ni-P)-TiN纳米微粒复合镀层的硬度较普通Ni-P合金镀层提高近3倍,耐磨性能也有显著提高.

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