Erosive wear analysis of propeller blade coated with tungsten carbide cobalt by high-velocity oxy-fuel spray method

Q3 Engineering International Journal of Computational Materials Science and Surface Engineering Pub Date : 2019-09-12 DOI:10.1504/ijcmsse.2019.10023928

B. A. M. Pasha, Mohammed Kaleemulla, A. Roshan

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Abstract

In the present study, the erosive wear of boat propeller blades with tungsten carbide cobalt (WC-Co) coatings by high-velocity oxy-fuel (HVOF) under different erosive wear conditions were investigated and compared with the wear of uncoated one. The (WC-Co) coating was deposited on Al7034 T6 composite reinforced with (Al2O3) and (SiC) particle in different weight percentages. Micro hardness test was employed to determine the hardness of the composite substrate. Eroded surface of the substrate was examined through scanning electron microscope (SEM). Finite element modelling was used to analyse the fracture surface of the propeller blade. Impact analysis was used to determine the stresses induced and deformation evolution under various impact condition. It is shown that crack was initiated from the surface of the blade and finally damages the blade at velocity 500 m/s under cyclic loading. This damage causes the improper functioning of the propeller blade and induced aerodynamic forces to increase the vibrational amplitude of the rotor blade. Results show that (WC-Co) coated propeller blade predominant over the life of the uncoated blade.

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高速氧喷法分析碳化钨钴涂层螺旋桨叶片的冲蚀磨损

研究了高速氧燃料（HVOF）对碳化钨-钴（WC-Co）涂层船用螺旋桨叶片在不同侵蚀磨损条件下的侵蚀磨损，并与未涂层的磨损进行了比较。将（WC-Co）涂层沉积在用不同重量百分比的（Al2O3）和（SiC）颗粒增强的Al7034-T6复合材料上。采用显微硬度试验测定了复合材料基体的硬度。用扫描电子显微镜（SEM）观察了基体的腐蚀表面。采用有限元模型对螺旋桨叶片的断裂面进行了分析。冲击分析用于确定在各种冲击条件下产生的应力和变形演变。结果表明，在循环载荷作用下，裂纹从叶片表面开始，最终以500 m/s的速度破坏叶片。这种损坏会导致螺旋桨叶片功能不正常，并导致空气动力增加转子叶片的振动振幅。结果表明，（WC-Co）涂层螺旋桨叶片在未涂层叶片的使用寿命中占主导地位。

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来源期刊

International Journal of Computational Materials Science and Surface Engineering Engineering-Engineering (all)

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.