【摘要】 PS304是应用于高速、高温无油透平机械的一种复合等离子喷涂固体润滑镀层。在等离子喷涂过程中,粉末的流动能力受颗粒形状和形状分布、颗粒尺寸和尺寸分布、接触介质、颗粒制作处理方法、表面化学性质和密度等因素的影响。本文详细讨论这些因素对PS304混和粉末流动特性的影响。更多还原

【Abstract】 PS304 is a composite plasma spray solid lubricant coating used in high speed,high temperature Oil-Free Turbomachinery.In the spray process,flow of a powder system may be affected by particle size and size distribution,particle shape and shape distribution,surface chemistry,density and the surrounding medium.Several effects on the flow property of PS304 feedstock powder blend in the spray process were discussed in this paper.更多还原