Influence of surface roughness of additive manufacturing polymer on surface flashover voltage
Influence of surface roughness of additive manufacturing polymer on surface flashover voltage
复制标题
增材制造聚合物表面粗糙度对表面闪络电压的影响
DOI：
10.1007/s00202-017-0675-3
复制
发表时间：
2017
影响因子：
1.8
通讯作者：
Ryota Kitani
中科院分区：
文献类型：
--
作者：
Shinya Iwata;Ryota Kitani
近年来，增材制造已成为包括高压工程和绝缘材料在内的工业领域最值得关注的技术之一。本文研究了增材制造聚合物表面粗糙度对表面闪络电压的影响。我们通过改变3D打印机的建造方向（水平建造和垂直建造），制备了两种体积电阻率和表面电阻率相同但表面粗糙度不同的样品板。通过表面轮廓测量和算法平均粗糙度分析，发现垂直构建的样品板表面具有沟槽状结构。此外，垂直于沟槽结构方向的表面闪络电压比平行方向的表面闪络电压高约20%。此外，表面闪络电压与电极间距离之间的关系在真空闪络模型中得到了很好的表达。
In recent years, additive manufacturing has been one of the most noteworthy technologies in the industry segment comprising high-voltage engineering and insulating materials. In this study, the influence of the surface roughness of an additive manufacturing polymer on the surface flashover voltage is investigated. We prepared two types of sample plate having the same volume resistivity and surface resistivity but different surface roughness by changing the building orientation (horizontally built and vertically built) of a 3D printer. By surface profile measurement and analysis of the arithmetic average roughness, it was revealed that the vertically built sample plate has a groove-like structure on the surface. Furthermore, it was shown that the surface flashover voltage in the direction perpendicular to the groove structure is about 20% times larger than in the parallel direction. In addition, it became clear that the relationship between the surface flashover voltage and the inter-electrode distance is well expressed in a flashover model in vacuum.