Hardness testing diamond indenter

Details Hardness testing diamond indenter Hardness testing diamond indenter

1990-01-19

1991-09-10

Noland, Tom

Measuring and testing

Hardness

By penetrator or indentor

29428, G01N 342

Patent

active

050463578

ABSTRACT:
An indenter used in hardness testing apparatus to penetrate hard metals and other materials consists of a shank body having at its end a conical frustum with a cylindrical recess extending axially from that end, and a cone of polycrystalline diamond bonded to a hard metal rod which, in turn is bonded in the cylindrical recess concentrically with the axis of the body.

REFERENCES:
patent: 1571310 (1926-02-01), Wilson
patent: 2216943 (1940-10-01), Hanemann
patent: 2285200 (1942-06-01), Gilmore
patent: 2361441 (1941-10-01), Wilson
patent: 2375033 (1945-05-01), Parke et al.
patent: 2554901 (1951-05-01), Fromholt
patent: 2663185 (1953-12-01), Broschke
patent: 3738161 (1973-06-01), Lucke, Jr. et al.

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