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immediate downloadReleased: 2009-08-31
BS ISO 28079:2009 Hardmetals. Palmqvist toughness test

BS ISO 28079:2009

Hardmetals. Palmqvist toughness test

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Standard number:BS ISO 28079:2009
Pages:22
Released:2009-08-31
ISBN:978 0 580 61755 3
Status:Standard
DESCRIPTION

BS ISO 28079:2009


This standard BS ISO 28079:2009 Hardmetals. Palmqvist toughness test is classified in these ICS categories:
  • 77.160 Powder metallurgy
  • 77.040.10 Mechanical testing of metals

This International Standard specifies a method for measuring the Palmqvist toughness of hardmetals and cermets at room temperature by an indentation method. This International Standard applies to a measurement of toughness, called Palmqvist toughness, calculated from the total length of cracks emanating from the corners of a Vickers hardness indentation, and it is intended for use with metal-bonded carbides and carbonitrides (normally called hardmetals, cermets or cemented carbides). The test procedures proposed in this International Standard are intended for use at ambient temperatures, but can be extended to higher or lower temperatures by agreement. The test procedures proposed in this International Standard are also intended for use in a normal laboratory-air environment. They are not intended for use in corrosive environments, such as strong acids or seawater.