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首页> 外文会议>International Conference on Advances in Mechanical Engineering and Mechanics >Study of Fe-W-P Coating Performance Under Scratch Test: Modeling and Experiments
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Study of Fe-W-P Coating Performance Under Scratch Test: Modeling and Experiments

机译：划痕试验下Fe-W-P涂层性能的研究：建模与实验

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摘要

Fe-W-P coating was deposited on stainless steel 316 L using electrodeposition process. An experimental and numerical evaluation of the adhesion strength between this coating and the stainless steel was studied with a scratch test using Rockwell indenter and progressive load from 0 to 165 N. Scanning electron microscopy and 3D profilometry were used to determine the morphology of the scratch track and the indenter penetration, respectively. The main experimental result shows the propagation of cracks inside and outside of the scratch track which increase with the increasing of the normal applied load. Moreover, a pile-up phenomenon was detected in the border. The obtained numerical results are in good agreement with the experimental one. In fact, a stress concentration was observed in the center and the border of the track due to the pile-up phenomenon which is the origin of the creation of the crack network. Besides, the cross sectional numerical profile in the maximum penetration area show clearly a pile-up phenomenon. A good agreement was found when comparing the numerical and the experiemental results prouve the robustness of the model.
机译：使用电沉积工艺在不锈钢316L上沉积Fe-W-P涂层。使用Rockwell Indenter的划痕试验和从0到165n的渐进式载荷进行划痕试验，研究了该涂层与不锈钢之间的粘合强度的实验性和数值评价。扫描电子显微镜和3D轮廓测定来确定划痕轨道的形态和压痕渗透。主要实验结果表明划痕轨道内外的裂缝的传播，随着正常施加的负载的增加而增加。此外，在边界中检测到堆积现象。获得的数值结果与实验性吻合良好。事实上，由于堆积现象是裂缝网络的起源，在中心和轨道的边界中观察到应力浓度。此外，最大渗透区域中的横截面数值曲线显然显示出堆积现象。在比较数值和体验结果的比较时，发现了一个良好的一致。

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