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Changes in microhardness and creep modulus during the ageing of polypropylene

โœ Scribed by S. M. Chua; P. J. Henderson

Publisher
Springer
Year
1991
Tongue
English
Weight
167 KB
Volume
10
Category
Article
ISSN
0261-8028

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๐Ÿ“œ SIMILAR VOLUMES

Rapid measurements of elastic modulus an
Rapid measurements of elastic modulus and density in polypropylene sheet during aging
โœ J. S. Baum; J. M. Schultz ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 285 KB

## Abstract New methods for rapidly obtaining elastic modulus and density measurements during isothermal polymer aging are given. The elastic measurements are performed using a Rockwell hardness tester. In this case, the elastic recovery is measured. Rapid density measurements are performed using a