LrgpV1, Main, Exploration, bibRecord, 000052

Effect of mold temperature on the structures and mechanical properties of micro-injection molded polypropylene

Identifieur interne : 000052 ( Main/Exploration ); précédent : 000051; suivant : 000053

Effect of mold temperature on the structures and mechanical properties of micro-injection molded polypropylene

Auteurs : Jing Jiang ; Shiwei Wang [République populaire de Chine] ; Bo Sun ; Shuaijiang Ma ; Jianming Zhang ; Qian Li [France] ; Guo-Hua Hu [France]

Source :

Materials and Design [ 0264-1275 ] ; 2015-12.

RBID : Hal:hal-01264855

Abstract

The effects of the mold temperature of micro-injection molding on the microstructures and mechanical properties of isotactic polypropylene (PP) gears were studied. The micro-injection molded PP gears present a skin-core type of morphology. The core layer is much thicker than the core and shear layers. The generation of 13 polymorph in the test samples is easily promoted during the micro-molding process with high shear rate at low temperature, or low shear rate at high temperature. Nanoindentation tests show that the modulus decreases along the flow direction and increases with increasing mold temperature. The highly oriented shear layer has the highest nano-indentation modulus compared with the skin and core layers.

Url:

https://hal.univ-lorraine.fr/hal-01264855

DOI: 10.1016/j.matdes.2015.09.003

Affiliations:

Links toward previous steps (curation, corpus...)

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to stream Hal, to step Curation: 000383
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<front><div type="abstract" xml:lang="en">The effects of the mold temperature of micro-injection molding on the microstructures and mechanical properties of isotactic polypropylene (PP) gears were studied. The micro-injection molded PP gears present a skin-core type of morphology. The core layer is much thicker than the core and shear layers. The generation of 13 polymorph in the test samples is easily promoted during the micro-molding process with high shear rate at low temperature, or low shear rate at high temperature. Nanoindentation tests show that the modulus decreases along the flow direction and increases with increasing mold temperature. The highly oriented shear layer has the highest nano-indentation modulus compared with the skin and core layers.</div>
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Effect of mold temperature on the structures and mechanical properties of micro-injection molded polypropylene

Effect of mold temperature on the structures and mechanical properties of micro-injection molded polypropylene

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri