Standard

ISO 4545:1993

Mar 1993 Withdrawn

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Language English

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Abstract

Specifies the method of Knoop hardness test covering test forces up to and including 9,807 N. The principle of the method is forcing a diamond indenter, in the form of a rhombic-based pyramid with specified angles between opposite faces at the vertex, into the surface of a test piece and measuring the long diagonal of the indentation left in the surface after removal of the test force. The Knoop hardness is proportional to the quotient obtained by dividing the test force by the projected area of the indentation.

Document information

Standard from ISO
Published: 18 March 1993
Withdrawn: 17 November 2005
Expires: 30 July 1990
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 77.040.10
ISO TC ISO/TC 164/SC 3

Product Relations

Revised by: ISO 4545-1:2005
Revised by: ISO 4545-1:2005
Revised by: ISO 4545-1:2005
Referred by: NS-EN 12797:2000

Product life cycle

Current product

Withdrawn

ISO 4545:1993
Revised by

Withdrawn

ISO 4545-1:2005

Withdrawn

ISO 4545-1:2005

Withdrawn

ISO 4545-1:2005

ISO 4545:1993

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Abstract

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Abstract

Document information

Product Relations

Product life cycle