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首页> 外文会议>International Conference on Advancess in Manufacturing and Materials Engineering >Investigation of HVOF Thermal sprayed Cr3C2-NiCr Cermet Carbide Coatings on Erosive Performance of AISI 316 Molybdenum steel
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Investigation of HVOF Thermal sprayed Cr3C2-NiCr Cermet Carbide Coatings on Erosive Performance of AISI 316 Molybdenum steel

机译：HVOF热喷涂CR3C2-NICR金属陶瓷涂料对AISI 316钼钢腐蚀性能的研究

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摘要

The objective of the work was to determine the effect of Cr3C2-NiCr coatings on erosive performance of AISI 316 molybdenum steel using Air Jet Erosion Tester. The coating of high velocity oxygen fuel (HVOF) thermal sprayed consisted of determining the differences in the composition mechanism. The coated samples were characterised by micro Vickers hardness and XRD. Erosion test were conducted with alumina particle of size 22-24 um at temperature of 650 °C at impact angles 60°, 75° and 90°.The surface morphology of eroded higher impact angle (75°) specimen was examined by scanning electron microscopy (SEM). On the basis of microstructural and experimental results of the particle mass effect on the compared three compositions smaller weight losses and erosion rates under all the selected working conditions, which account for their higher erosion resistances.
机译：该作品的目的是确定CR3C2-NICR涂层对使用空气喷射腐蚀测试仪AISI 316钼钢的腐蚀性能的影响。高速氧气燃料（HVOF）热喷涂的涂层包括确定组合物机制的差异。涂覆的样品的特征在于微维氏硬度和XRD。在650℃的温度下，在650℃下，在650℃下，在冲击角60°，75°和90°的温度下进行腐蚀试验。通过扫描电子显微镜检查侵蚀更高的冲击角（75°）样品的表面形态（SEM）。基于颗粒质量效应的微观结构和实验结果对3种组合物在所有选定的工作条件下的重量损失和侵蚀率较小，这考虑了它们的耐腐蚀性。

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