An Analysis of the 'Durometer' Indentation

Autor:	K. Savio Sebastian, Brian J. Briscoe
Rok vydání:	1993
Předmět:	Materials science Polymers and Plastics Young's modulus Indentation hardness Hardness symbols.namesake Meyer hardness test Indentation Vickers hardness test Materials Chemistry Forensic engineering symbols Shore durometer Composite material Elastic modulus
Zdroj:	Rubber Chemistry and Technology. 66:827-836
ISSN:	1943-4804 0035-9475
DOI:	10.5254/1.3538347
Popis:	The mechanics of the indentation of elastomers by the “Durometer” (Shore A) hardness tester is analysed using the theory of elasticity to derive an interrelation between the Shore hardness number and the Young's modulus. Experimental compliance curves, for different elastomers, are provided to support the theory. The theoretical interrelationships between the International Rubber Hardness and the Shore A Hardness and the corresponding elastic modulus are also compared. The effects of the time dependent deformations are examined. Finally, the error introduced by computing the Young's modulus using an equivalent punch solution is examined and a means of improving the predictions is provided.
Databáze:	OpenAIRE
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