Hardness testing apparatus

Details Hardness testing apparatus Hardness testing apparatus

1978-09-21

1980-04-29

Myracle, Jerry W.

Measuring and testing

Hardness

By penetrator or indentor

G01N 348

Patent

active

041999762

ABSTRACT:
Apparatus for testing hardness properties of materials may comprise: a clamping assembly including a housing in which is carried a magnet for magnetically attaching the apparatus to the material being tested and a head assembly having a penetrator member mounted for engagement with said material being tested and for limited axial movement from a first position to a second position; an actuator connected to the penetrator member for applying predetermined loads thereto; and an indicator responsive to axial movement of the penetrator member to measure the hardness of the material.

REFERENCES:
patent: 2544205 (1951-03-01), Williams
patent: 3389597 (1968-06-01), Williams
patent: 3795334 (1974-03-01), Ishida et al.
patent: 3984092 (1976-10-01), Fitzpatrick
Edwards, A., Magnetic Tools, from The Engineer (British), Aug. 11, 1961, p. 226.

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