Effect of Electroless Ni-P Plating on the Fatigue Strength of Dilute Al-Si Alloys

Norihito Nagata; Teruto Kanadani; Minoru Fukuhara; Makoto Hino; Koji Murakami

doi:10.4028/www.scientific.net/MSF.794-796.290

Paper Titles

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Influence of Processing Route on the Work-Hardening and Ductile Fracture of an AA6060 Aluminium Alloy
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Effect of Electroless Ni-P Plating on the Fatigue Strength of Dilute Al-Si Alloys
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Influence of Particles on Short Fatigue Crack Initiation in 2050-T8 and 7050-T74
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Grain-Size Dependency of Low-Temperature Creep in Ultrafine-Grained Aluminum
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Extrapolation of Creep Curve and Creep Rate by Strain Acceleration Parameter in Al-Mg Solid Solution Alloys
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Analysis of Small Fatigue Crack in Al-Mg-Si Aluminum Alloy
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HomeMaterials Science ForumMaterials Science Forum Vols. 794-796Effect of Electroless Ni-P Plating on the Fatigue...

Effect of Electroless Ni-P Plating on the Fatigue Strength of Dilute Al-Si Alloys

Abstract:

In this study, the effect of electroless Ni-P plating on the fatigue strength of dilute Al-Si alloys was investigated. As results, the following points were clarified. Fatigue strength of the specimen subjected to zincate treatment only after furnace cooling treatment was almost the same as the furnace cooling only. Fatigue strength of the specimen subjected to Ni-P plating after furnace cooling treatment, was reduced overall, except for high-stress region, rather than one of non-processing materials. Fatigue strength of the specimen subjected to Ni-P plating after aging treatment showed a clear increase in comparison with one of non-processing materials. Breaking elongation of the specimen subjected to Ni-P plating after aging treatment showed no significant changes in comparison with one of non-processing materials. On the other hand, breaking elongation of the specimen subjected to Ni-P plating after furnace cooling treatment reduced by half in comparison with one of non-processing materials. Especially, it seems that poor fatigue strength and ductility of plating materials are mainly caused due to interaction between surface precipitates and hydrogen gas.

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Periodical:

Materials Science Forum (Volumes 794-796)

Pages:

290-295

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.794-796.290

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Online since:

June 2014

Authors:

Norihito Nagata*, Teruto Kanadani, Minoru Fukuhara, Makoto Hino, Koji Murakami

Keywords:

Aging, Aluminum-Silicone Alloy, Breaking Elongation, Fatigue Strength, Hydrogen Gas, Nickel-Phosphorus Plating, Surface Precipitate, Tensile Strength

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