Orientation Residual Stresses and Birefringence in Injection Molding
作者:
J. Greener,
G. H. Pearson,
期刊:
Journal of Rheology
(AIP Available online 1983)
卷期:
Volume 27,
issue 2
页码: 115-134
ISSN:0148-6055
年代: 1983
DOI:10.1122/1.549701
出版商: The Society of Rheology
数据来源: AIP
摘要:
A simple mathematical model for predicting residual stresses in injection‐molded parts has been constructed. The use of a nonlinear viscoelastic constitutive equation allows the model to yield better quantitative results than previously obtained. The model fails to predict the existence of birefringence along the midplane of the molded part, which is thought to be due to inhomogeneous cooling (i.e., thermal stress).
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