Thermo-viscoelastic model for shrinkage and warpage prediction during cooling and solidification of automotive blow molded parts

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Proceedings titleSAE International Journal of Materials and Manufacturing
ConferenceSAE 2013 World Congress, 16-18 April 2013, Detroit, Michigan, USA
Article number2013-01-1397
Pages349364; # of pages: 16
AbstractBlow moulding is one of the most important polymer processing methods for producing complex thermoplastic automotive parts. Contrary to injection molding, little attention has focused on process control and simulation of blow molding processes. Yet, there are still several problems that affect the overall success of forming these parts. Among them are thermally induced stresses, relevant shrinkage and part warpage deformations caused by inappropriate mold design and/or processing conditions. Tolerance issues are critical in automotive applications and therefore part deformation due to solidification needs to be controlled and optimized accordingly. The accurate prediction tool of part deformation due to solidification, under different cooling conditions in automotive formed parts, is important and highly suited for part designers to help achieve an efficient production.
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PublisherSAE International
AffiliationAutomotive; National Research Council Canada
Peer reviewedYes
NPARC number21268357
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Record identifierffd2822f-0008-43a3-98ca-f894b4569e5c
Record created2013-07-03
Record modified2016-05-09
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