Abstract The attractive properties achieved by Suspension Plasma Spraying (SPS), combined with the availability of high throughput capable plasma spray systems that permit axial feeding, provide encouragement to explore use of suspensions for next generation functional applications. This paper deals with realization of coatings with various pre-determined function-dependent architectures by employing a hybrid powder-suspension feedstock. Some illustrative application-relevant coating architecture designs are discussed, along with the specific benefits that can accrue by deploying a multi-scale powder-suspension feedstock combination. An elegant feedstock delivery arrangement to enable either simultaneous or sequential feeding of powders and suspensions to enable convenient processing of coatings with desired architectures is presented. As proof-of-concept, deposition of layered, composite and functionally graded coatings using the above system is also demonstrated using appropriate case studies.

中文翻译：

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通过混合粉末悬浮等离子喷涂实现与功能相关的涂层结构：喷射器设计、加工和概念验证

摘要 通过悬浮等离子喷涂 (SPS) 获得的有吸引力的特性，结合允许轴向进料的高通量等离子喷涂系统的可用性，鼓励探索使用悬浮液用于下一代功能应用。本文涉及通过采用混合粉末悬浮体原料实现具有各种预先确定的功能相关架构的涂层。讨论了一些说明性的与应用相关的涂层结构设计，以及通过部署多尺度粉末-悬浮体原料组合可以产生的具体好处。提出了一种优雅的原料输送安排，可以同时或顺序进料粉末和悬浮液，以便方便地加工具有所需结构的涂层。