Micro hardness tester

Details Micro hardness tester Micro hardness tester

1980-01-16

1981-12-08

Gill, James J.

Measuring and testing

Hardness

By penetrator or indentor

73 83, G01N 342

Patent

active

043041230

ABSTRACT:
The invention relates to a micro hardness tester (durometer) having a penetration body such as a point or the like penetrating into a sample under load. An electrical means is provided for loading the penetration body and the bearing force of the penetration body is convertible into electrical signals for the purpose of measuring said force. The invention is characterized in that the penetration body is fixed to an arm or spring arranged on a mounting element which spring or arm also carries at least one strain gauge or a micro dynamometer cell for measuring the bearing force of the penetration body.

REFERENCES:
patent: 2422634 (1947-06-01), Riepert et al.
patent: 2804769 (1957-09-01), Clark
patent: 3564908 (1971-02-01), Fischer
patent: 3693417 (1972-09-01), Fritz et al.
patent: 4094188 (1978-06-01), Bellouin et al.

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