Indentation testing instrument and indentation testing method

Details Indentation testing instrument and indentation testing method Indentation testing instrument and indentation testing method

2008-11-28

2011-12-13

Larkin, Daniel (Department: 2856)

Measuring and testing

Hardness

By penetrator or indentor

Reexamination Certificate

active

08074497

ABSTRACT:
An indentation testing instrument including: a loading lever supported pivotally; an indenter provided on the loading lever; a displacement sensor movable section; a loading lever driving section; a reference lever supported pivotally having a same shaft center as the loading lever; a contactor provided on the reference lever as a positional reference of a tip portion of the indenter; a displacement sensor fixing section; a reference lever driving section; a stopper to stop the reference lever; a specimen surface reference measurement member to turn the loading lever from a state that the contactor touches the specimen surface, and to measure a first indentation depth amount; and a machine frame reference measurement member to turn the loading lever from a state that the reference lever touches the stopper and the contactor is spaced apart from the specimen surface, and to measure a second indentation depth amount.

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patent: 60-161508 (1985-08-01), None
patent: A-2004-012178 (2004-01-01), None

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