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author:

谢华 (谢华.) [1] (Scholars:谢华) | 陈增辉 (陈增辉.) [2]

Abstract:

采用三点弯曲疲劳对比实验法研究Ni-P-金刚石化学复合镀对40Cr钢疲劳性能的影响。结果表明:与40Cr基底式样相比,Ni-P镀件及Ni-P-金刚石化学复合镀镀件疲劳寿命降低近50%,经晶化处理后镀件疲劳寿命降低达70%,Ni-P镀件与Ni-P-金刚石镀件的疲劳寿命相当;分析结果表明,镀态时疲劳寿命的降低主要是由于基底的脆化造成,疲劳裂纹是在基底的外表面萌生的;而晶化处理后的镀件主要是由于脆性镀层开裂并切入基底引起的,其疲劳裂纹是在镀件外表面萌生的。

Keyword:

Ni-P 化学复合镀 疲劳性能 金刚石

Community:

  • [ 1 ] 福州大学机械工程及自动化学院

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Year: 2006

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 2

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