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- W2362428199 abstract "采用真空阴极电弧沉积技术在TC11钛合金基体上沉积约10μm厚的Ti／TiN／Zr／ZrN多层膜，通过对比镀膜前后试样的屈服强度、抗拉强度、疲劳强度、疲劳寿命，以及断口形貌，研究沉积Ti／TiN／Zr／ZrN多层膜对基体疲劳性能的影响，探讨疲劳断裂机理。结果表明：多层膜对TC11钛合金基体材料的屈服强度和抗拉强度影响不大，但由于膜层硬而脆而降低了基体材料的收缩率和延伸率；多层膜提高基体材料的疲劳极限；低应力下，裂纹源在多层膜表面萌生，并向内部扩展，在多层结构的膜层界面处受到阻碍，发生偏转，从而提高基体疲劳寿命；高应力下，膜层容易破裂，裂纹源增多，降低基体疲劳寿命；应力水平在520MPa到650MPa范围内，疲劳寿命增量从＋40．82％降到-36.88％。" @default.
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- W2362428199 date "2015-01-01" @default.
- W2362428199 modified "2023-09-23" @default.
- W2362428199 title "Ti／TiN／Zr／ZrN多层膜对钛合金疲劳性能的影响" @default.
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