Study and modeling of heat transfer during the solidification of semi-crystalline polymers

被引:86
作者
Le Goff, R
Poutot, G
Delaunay, D
Fulchiron, R
Koscher, E
机构
[1] Univ Nantes, Ecole Polytech, Lab Thermocinet, CNRS,UMR 6607, F-44306 Nantes, France
[2] Univ Lyon 1, CNRS, IMP, UMR 5627,Lab Mat Polymeres & Biomat, F-69622 Villeurbanne, France
关键词
semi-crystalline polymers; crystallization; thermal contact resistance;
D O I
10.1016/j.ijheatmasstransfer.2005.06.015
中图分类号
O414.1 [热力学];
学科分类号
摘要
Semi-crystalline polymers are materials whose behavior during their cooling is difficult to model because of the strong coupling between the crystallization, heat transfer, pressure and shear. Thanks to two original apparatus we study solidification of such a polymer without shear. Firstly the comparison between experimental results and a numerical model will permit to validate crystallization kinetic for cooling rate reachable by DSC, The second experiment makes it possible to analyze solidification for high cooling rate, corresponding to some manufacturing processes. It appears that crystallization has an influence on the thermal contact resistance. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:5417 / 5430
页数:14
相关论文
共 24 条
[1]   Kinetics of phase change I - General theory [J].
Avrami, M .
JOURNAL OF CHEMICAL PHYSICS, 1939, 7 (12) :1103-1112
[2]  
BECK JV, 1985, INVERSE HEAT CONDUCT, V3
[3]   Analysis of thermal contact resistance between polymer and mold in injection molding [J].
Bendada, A ;
Derdouri, A ;
Lamontagne, M ;
Simard, Y .
APPLIED THERMAL ENGINEERING, 2004, 24 (14-15) :2029-2040
[4]   Nature of contact between polymer and mold in injection molding. Part I: Influence of a non-perfect thermal contact [J].
Delaunay, D ;
Le Bot, P ;
Fulchiron, R ;
Luye, JF ;
Regnier, G .
POLYMER ENGINEERING AND SCIENCE, 2000, 40 (07) :1682-1691
[5]   Nature of contact between polymer and mold in injection molding. Part II: Influence of mold deflection on pressure history and shrinkage [J].
Delaunay, D ;
Le Bot, P ;
Fulchiron, R ;
Luye, JF ;
Regnier, G .
POLYMER ENGINEERING AND SCIENCE, 2000, 40 (07) :1692-1700
[6]   Analysis of the pressure effect on the crystallization kinetics of polypropylene:: Dilatometric measurements and thermal gradient modeling [J].
Fulchiron, R ;
Koscher, E ;
Poutot, G ;
Delaunay, D ;
Régnier, G .
JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS, 2001, B40 (3-4) :297-314
[7]   CORRELATIONS FOR THE QUIESCENT CRYSTALLIZATION KINETICS OF ISOTACTIC POLYPROPYLENE AND POLY(ETHYLENE-TEREPHTHALATE) [J].
HIEBER, CA .
POLYMER, 1995, 36 (07) :1455-1467
[8]  
JURKOWSKI T, 2004, C FRANC THERM PRESQ, V2, P703
[9]  
Koscher E., 2002, THESIS U C BERNARD L
[10]   Role of polymer transparency and temperature gradients in the quantitative measurement of process stream temperatures during injection molding via IR pyrometry [J].
Lai, GY ;
Rietveld, JX .
POLYMER ENGINEERING AND SCIENCE, 1996, 36 (13) :1755-1768