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首页> 外文会议>SAE Brasil International Conference on Fatigue >A study of the influence of WC-10Co-4Cr HVOF coating on mechanical properties of AISI 4340 steel
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A study of the influence of WC-10Co-4Cr HVOF coating on mechanical properties of AISI 4340 steel

机译：WC-10Co-4CR HVOF涂层对AISI 4340钢力学性能影响的研究

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Aircraft landing gear manufacturers are considering WC thermal spray coatings applied by the high-velocity oxygen- fuel (HVOF) process as an alternative to hard chrome plating. The question to be answered is if the performance of the alternative candidate is at least comparable to results obtained for hard chrome plating. The objective of this research is to compare the influence of the WC-10Co-4Cr coating applied by HVOF process and hard-chromium electroplating on the fatigue strength of AISI 4340 steel with and without shot peening. S-N curves were obtained in axial fatigue tests for the base material, chromium-plated and tungsten-carbide-coated specimens.
机译：飞机着陆齿轮制造商正在考虑由高速氧气（HVOF）工艺施加的WC热喷涂涂层作为硬铬镀层的替代方案。要回答的问题是如果替代候选的性能至少与用于硬铬电镀的结果相当。本研究的目的是比较HVOF工艺和硬铬电镀对AISI 4340钢的疲劳强度的影响，而无需射击喷丸，比较WC-10Co-4CR涂层。在基材，铬镀锌和碳化钨样品中轴向疲劳试验中获得S-N曲线。

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