文档介绍：Brinell hardness
Vickers hardness
Rockwell hardness
Barcol hardness
Mohs hardness
Shore
hardness
·The definition of shore hardness
·The classify of shore durometer
·Test principle
·Test specimens
·Test procedure
·Calibration
Definition
Shore hardness is a measure of the indentation resistance of elastomeric or soft plastic materials based on the depth of ration of a conical indentor. Hardness values range from 0 (for full ration) to 100 (for no ration).
Apparatus
type A shore durometer
type D shore durometer
Principle
A specified indenter is forced into the test material under specified conditions and the depth of ration measured .
The indentation hardness is inversely related to the ration and is dependent on the modulus of elasticity and the viscoelastic properties of the material .
Test
specimens