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Cu含量对脉冲偏压电弧离子镀TiN-Cu纳米复合薄膜硬度的影响

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Indexed by:期刊论文

Date of Publication:2013-05-25

Journal:真空

Included Journals:ISTIC

Volume:50

Issue:3

Page Number:52-56

ISSN No.:1002-0322

Key Words:脉冲偏压电弧离子镀;TiN-Cu纳米复合薄膜;硬度;弹性模量;强化机制

Abstract:用脉冲偏压电弧离子镀技术在高速钢(HSS)基体上制备了一系列不同Cu含量的TiN-Cu纳米复合薄膜,用EPMA、SEM、GIXRD和纳米压痕等方法分别测试了薄膜的成分、形貌、相组成、硬度和弹性模量,重点考察薄膜成分对其硬度和弹性模量的影响.结果表明,Cu含量对薄膜的硬度和弹性模量影响显著,随着Cu含量的增加,薄膜硬度和弹性模量先增大后减小,在Cu含量为1.28 at%时,硬度和弹性模量达到最大值,分别为45.0 GPa和562.0 GPa.最后对TiN-Cu纳米复合薄膜的非晶-纳米晶强化机制进行了讨论.

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