PYROMETER SYSTEM FOR MONITORING THE PARTICLE IMPACT ON A SUBSTRATE DURING A PLASMA SPRAY PROCESS

被引：60

作者：

VARDELLE, M ^{[1
]}

VARDELLE, A ^{[1
]}

FAUCHAIS, P ^{[1
]}

MOREAU, C ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA, INST MAT IND, BOUCHERVILLE J4B 6YA, PQ, CANADA

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 1994年 / 5卷 / 03期

关键词：

D O I：

10.1088/0957-0233/5/3/002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A measurement system consisting of two high-speed two-colour pyrometers is described; the system is suitable for monitoring the flattening and cooling of particles on a substrate during plasma spray deposition. The first double-wavelength optical fibre pyrometer is focused 2 mm before the substrate and the other is focused on the substrate surface. The present instrument provides data on the temperature, the velocity and the size of a particle prior to its impact on a substrate and on its flattening and cooling when it impinges on the surface. Examples of results are given with plasma-sprayed zirconia particles impacting on bare steel substrates. Measurements are presented in terms of flattening time and 'apparent' degree of flattening as a function of the velocity, surface temperature and size of the impinging particles.

引用

页码：205 / 212

页数：8

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