Flaw penetrant test panel

Details Flaw penetrant test panel Flaw penetrant test panel

1974-04-26

1976-03-30

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Lubricant testing

73104, G01N 1100, G01N 1908

Patent

active

039465977

ABSTRACT:
A flaw penetrant test panel having a sheet metal surface in which are impressed tiny or microscopic flaw simulating cavities distributed over the test surface to receive one or more penetrants being tested, the mouth size of the cavities being in the range of about 1 to 10 thousandth inch and being formed by heating the metal to incipient softening temperature followed by penetration of the surface test area using a needle-like tool proportioned to the desired cavity size and depth and which upon penetration of the metal displaces it in a crater-like rim about the cavity being formed.

REFERENCES:
patent: 3164006 (1965-01-01), Alburger
patent: 3791198 (1974-02-01), Alburger

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