DIN Standards Committee Technology of Materials
Hardmetals - Palmqvist toughness test (ISO/DIS 28079:2024); German and English version prEN ISO 28079:2024
Abstract
This document specifies a method for measuring the Palmqvist toughness of hardmetals and cermets at room temperature by an indentation method. This document 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 document are intended for use at ambient temperatures, but can be extended to higher or lower temperatures by agreement. The test procedures proposed in this document are also intended for use in a normal laboratoryair environment. They are not intended for use in corrosive environments, such as strong acids or seawater.
Begin
2023-01-02
WI
CSM11124
Planned document number
DIN EN ISO 28079
Project number
14500226
Responsible national committee
NA 145-01-06 AA - Powder metallurgy
Responsible european committee
Responsible international committee
ISO/TC 119/SC 4 - Sampling and testing methods for hardmetals
draft standard
Hardmetals - Palmqvist toughness test (ISO/DIS 28079:2024); German and English version prEN ISO 28079:2024
2024-08
Order from DIN Media
