Accession Number : AD0886071

Title :   Non-Destructive Testing of Coalescer Elements ON A Continuous Basis Using Liquid Crystals.

Descriptive Note : Final rept.,

Corporate Author : NAVAL AIR PROPULSION TEST CENTER PHILADELPHIA PA AERONAUTICAL ENGINE DEPT

Personal Author(s) : Pontello, Anthony P.

Report Date : JUN 1971

Pagination or Media Count : 26

Abstract : A non-destructive test, for 100% inspection of coalescer elements was developed using liquid crystals as the flaw-detecting agent. Thermal changes associated with material defects are detected by the liquid crystals through a pattern of vivid colors encircling the defect. Liquid crystals can detect flaws in coalescer elements in the form of voids, split seams, end cap leaks and cracks, meterial imperfections and epoxy filled voids. (Author)

Descriptors :   *NONDESTRUCTIVE TESTING), (*FUEL FILTERS, LIQUIDS, CRYSTALS, DEFECTS(MATERIALS), THERMAL PROPERTIES, COLORS.

Subject Categories : Pumps, Filters, Pipes, Tubing, Fittings & Vlvs
      Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE