ISO 4545:1993

Metallic materials — Hardness test — Knoop test

Publication date: 18 mar 1993

95.99 Withdrawal of Standard 17 nën 2005

General information

Current stage: 95.99 Effective date: 17 nën 2005

Originator: ISO

Owner: ISO/TC 164/SC 3

Type: International Standard

ICS: 77.040.10

Gjuha: frëngjisht anglisht

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Statusi: Shfuqizuar

PDF - 7 350 Lekë

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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.

ISO 4545:1993

Metallic materials — Hardness test — Knoop test

95.99 Withdrawal of Standard 17 nën 2005

General information

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