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首页> 外文会议>International Thermal Spray Conference >Influence of the Spray Angle on the Characteristics of Atmospheric Plasma Sprayed Hard Material Based Coatings
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Influence of the Spray Angle on the Characteristics of Atmospheric Plasma Sprayed Hard Material Based Coatings

机译：喷射角对大气等离子体喷涂硬质材料涂层特性的影响

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摘要

This paper presents an investigation of the influence of the spray angle on thermally sprayed coatings. Spray beads were manufactured with different spray angles between 90 and 20 deg by means of atmospheric plasma spraying (APS) on heat-treated mild steel (1.0503). WC-12Co and Cr_3C_2-10(Ni20Cr) powders were employed as feedstock materials. Every spray bead was characterized by a Gaussian fit. This opens the opportunity to analyze the influence of the spray angle on coating properties. Furthermore, metal-lographic studies of the surface roughness, porosity, hardness, and morphology were carried out and the deposition efficiency as well as the tensile strength was measured. The thermally sprayed coatings show a clear dependence on the spray angle. A decrease in spray angle changes the thickness, width, and form of the spray beads. The coatings become rougher and their quality decreases.
机译：本文提出了对喷射角对热喷涂涂层的影响的研究。通过在热处理的温和钢（1.0503）上的大气等离子体喷涂（APS）在90和20℃之间以90和20℃的不同喷射角来制造喷雾珠。 WC-12CO和CR_3C_2-10（NI20CR）粉末用作原料材料。每个喷雾珠特征在于高斯合适。这使得有机会分析喷射角对涂层性能的影响。此外，进行了表面粗糙度，孔隙率，硬度和形态学的金属 - 纸面研究，并测量沉积效率以及拉伸强度。热喷涂的涂层显示出对喷射角度的清晰依赖性。喷射角的降低改变喷雾珠的厚度，宽度和形式。涂层变得令人讨厌，它们的质量降低。

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