Active Standard: A1038 - 10a
At the time of original Inter Laboratory Study there was no accepted reference material data available for determining bias for this test method. Subsequently, the original test materials have been recovered and tested, thereby obtaining adequate data for bias determination. This ballot item adds bias data to the published precision and bias statement.
Keywordsportable hardness testing; superficial hardness; ultrasonic contact impedance (UCI); vickers diamond indenter; Hardness tests; Ultrasonic contact impedance method ;
Ballot Item Approved as A1038-2013 and Pending Publication