工业燃气轮机热障涂层智能测量系统的设计与实现

Design and implementation of Intelligent Measurement System for Thermal Barrier Coating(TBC) Process of Industrial Gas Turbine(IGT)

等离子喷涂是一种高通量、经济、低环境影响的热喷涂工艺,工业上被广泛用于满足工业燃气轮机(IGT)热障涂层(TBC)的苛刻性能要求。然而,目前的等离子热喷涂工艺由于其本质上属于非线性过程而存在很多性能上的限制,这为工业燃气轮机的热障涂层达到符合标准的涂层性能以及喷涂工艺的经济性带来了挑战。本文讨论了开发和设计实时智能喷涂过程测量系统的几个关键问题,该系统可以用来实时测量喷涂过程的工艺参数变化,主要是在线中粒子状态的变化。

Plasma spray is a high-throughput,cost-effective coating process that has low environmental impact.It is used to meet the demanding performance requirements of Thermal Barrier Coating(TBC)for Industrial Gas Turbines(IGT).However,current plasma spray process capabilities are limited by its significant process variations which pose challenges for engineering coating structure to achieve advanced coating performance and optimizing spraying process.This paper discusses the critical issues need to be considered in the development and design of an intelligent plasma spray process measurement system that can real-time measure these process variations,in particular the changes of in-flight particle states.