带 HVOF 涂层的钢制锅炉管:特异性和界面

P. Mohan, K. H. Ram, D.S. Jenaris, D.S. Manoj Abraham, R. R. Raj
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引用次数: 0

摘要

在这项研究中,采用 HVOF 技术在 T22 裸钢上沉积了 NiCrMoFeCoAl-30%Cr3C2 复合涂层。Cr3C2 涂层具有出色的耐久性和耐腐蚀性。在制造均匀致密的 Cr3C2 涂层时,使用悬浮原料进行高速纯氧喷涂可降低沉积硬度、表面粗糙度并提高耐腐蚀性能。扫描电子显微镜与能量色散光谱仪和 X 射线衍射仪被用来检查试样的微观结构。测量了涂层特性,如厚度、微硬度和孔隙率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Steel Boiler Tube with HVOF Coating: Peculiarity and Interfacial
In this research, a NiCrMoFeCoAl-30%Cr3C2 composite finish was deposited using an HVOF technique on the T22 bare steel. Cr3C2 coatings provide excellent durability and corrosion resistance. When manufacturing homogenous and dense Cr3C2 layers with decreased as-deposited greater hardness, surface roughness, and enhanced quality corrosion resistance, high-velocity oxy-fuel spraying with suspension feedstock has been a viable choice. Scanning electron microscopy with energy dispersive spectroscopy and X-ray diffraction have been used to examine the specimen's microstructure. Coating properties such as thickness, microhardness, and porosity were measured.
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