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Flow Induced Crystallization of Poly(ether-block-amide) from the Microinjection Molding Process and its Effect on Mechanical Properties
Author(s)
Date Issued
2014-11
Date Available
2014-09-29T11:56:37Z
Abstract
Crystallization during microinjection molding is investigated relative to process conditions. Modulus and hardness of the skin layer are higher than the core layer, regardless of core structure. Young's modulus, strain at break and yield stress all increase with an increase of skin ratio. The relationship between process, morphology and mechanical properties is studied for micro products. By using in-line process monitoring, flow induced crystallization is characterized by shear stress and apparent specific work. Shear stress is shown to be a good candidate to characterize the formation of highly oriented structures under actual microinjection molding processes. This may provide a method for in-line control of morphology development, and then final properties, by controlling the flow conditions.
Type of Material
Journal Article
Publisher
Wiley Blackwell (John Wiley & Sons)
Journal
Macromolecular Materials and Engineering
Volume
299
Issue
11
Copyright (Published Version)
2014 Wiley Blackwell (John Wiley & Sons)
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
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