𝔖 Bobbio Scriptorium
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Mechanical and optical properties of an anelastic polymer at intermediate strain rates and large strains

✍ Scribed by Weiss, R. T. ;Goldsmith, Werner ;Chase, K.

Publisher
Wiley (John Wiley & Sons)
Year
1970
Tongue
English
Weight
826 KB
Volume
8
Category
Article
ISSN
0449-2978

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✦ Synopsis

Abstract

The mechanical and optical properties of a polyester–styrene copolymer have been investigated by means of drop tests at strain rates from 38 to 113 sec^βˆ’1^ for strains less than 50%. Over this range of rates, the optical behavior was found to be linear with strain and independent of strain rate while the elastic–plastic mechanical behavior was only slightly dependent on strain rate. Comparison with the results of similar experiments at lower strain rates achieved by means of an Instron tester reveals that both mechanical and optical properties vary significantly with strain rate. The variation of flow stress with strain rate was found to obey a power law.

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## Abstract The present article focuses on the effect of two types of inorganic fillers (SiO~2~ and CaCO~3~) on the mechanical properties of PP/SEBS blend. The nominal particle diameters of SiO~2~ and CaCO~3~ are 7 nm and 1 ΞΌm, respectively. The studied blend ratios were PP/SEBS/SiO~2~ (CaCO~3~) =