Accession Number : ADA132385

Title :   Plasma-Spray Coating Thickness Monitoring System.

Descriptive Note : Final rept.

Corporate Author : SIGMA RESEARCH INC RICHLAND WA

PDF Url : ADA132385

Report Date : Mar 1981

Pagination or Media Count : 43

Abstract : The Plasma-Spray Coating Thickness Monitoring System incorporates a unique optical transform technique that enables an image of a coupon (part) surface to be projected on a one-dimensional linear diode array (LDA). Parts to be coated with plasma spray are mounted on a carousel, and a probe containing the optics and LDA is attached to one side. The system measures the height of the coupon surface, thus providing a way to determine the thickness of the ceramic coating. The optical pattern impressed on the diode array is converted to an accurate representation of coating thickness by a small microprocessor-based control and readout console mounted adjacent to the equipment operator.

Descriptors :   *Plasma spraying, *Ceramic coatings, *Thickness, *Monitors, Indicating instruments, Systems analysis, Operation, Electronics, Functions, Control knobs

Subject Categories : Coatings, Colorants and Finishes
      Mfg & Industrial Eng & Control of Product Sys
      Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE