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首页> 外文期刊>Materials Science and Engineering >Influence of Ni-P coating on fatigue life of an Al_2O_(3f)/Al composite wire
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Influence of Ni-P coating on fatigue life of an Al_2O_(3f)/Al composite wire

机译：Ni-P涂层对Al_2O_（3f）/ Al复合丝疲劳寿命的影响

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摘要

An Al_2O_(3f)/Al composite wire was Ni-P coated by means of an electroless plating route. Fatigue life and residual properties of the coated and uncoated composite wires were investigated. It was found that the fatigue life, residual strength and residual modulus of the composite wire could be improved by the Ni-P coating, indicating that Ni-P coating could increase the fatigue resistance of the composite wire. Finite-element analysis (FEA) was performed to understand the mechanism of the prolonged fatigue life. FEA indicated that Ni-P coating could both restore the load-bearing capability of broken surface fibers and reduce the stress and strain concentrations caused by broken fibers, hence resulting in a higher fatigue resistance of the Ni-P coated composite wire than that of the uncoated one.
机译：通过化学镀途径对Al_2O_（3f）/ Al复合线进行Ni-P涂覆。研究了涂覆和未涂覆复合导线的疲劳寿命和残余性能。结果表明，Ni-P涂层可以改善复合线材的疲劳寿命，残余强度和残余模量，表明Ni-P涂层可以提高复合线材的抗疲劳性。进行了有限元分析（FEA）以了解延长疲劳寿命的机理。有限元分析表明，Ni-P涂层既可以恢复断裂的表面纤维的承载能力，又可以降低断裂的纤维引起的应力和应变集中，因此，与复合材料相比，Ni-P涂层的复合线具有更高的耐疲劳性。无涂层的。

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