本研究結合模流分析與有限元素分析探討短玻璃纖維(15 wt%)強化聚丁烯對苯二甲酸酯(PBT)複合材料之射出成型條件對於殘留應力、翹曲、挫屈以及後挫屈的影響。研究方法主要以傳統實驗方法擬定成形條件，分別探討不同射出成型條件如充填時間、融膠溫度、模具溫度等參數，對於試片的殘留應力、翹曲、挫屈、後挫屈以及試片的長寬比與厚度改變對於殘留應力、翹曲及後挫屈的影響。
由研究結果顯示，射出成型條件中充填時間與融膠溫度對於試片之殘留應力、翹曲、挫屈以及後挫屈影響甚鉅。對於在不同射出成型條件下，試片最小殘留應力為充填時間9秒、融膠溫度275℃與模具溫度80℃，最小翹曲量的成型條件為充填時間9秒、融膠溫度230℃與模具溫度80℃，而最大挫屈力則為充填時間9秒、融膠溫度230℃與模具溫度80℃。而試片長寬比改變對於殘留應力、翹曲以及後挫曲之影響的結果中，試片的殘留應力隨著長寬比增加而下降;平均翹曲量隨著長寬比增加而上升;而後挫曲隨著長寬比增加，承受負荷的能力逐下降。而試片的厚度改變對於殘留應力、翹曲以及後挫曲之影響的結果中，試片的殘留應力隨著厚度增加，殘留應力略增;平均翹曲量隨著厚度增加而略減;而後挫曲隨著厚度增加，承受負荷的能力逐漸上升。

None

2. Denault,J., Khanh T.V., Foster B., “Tensile Properties of Injection Molded Long Fiber Thermoplastic Composites,” Polymer Composites, Vol.10, No.5, 1989, pp.313-321.
3. Khanh, T.V., Denault,J., “Fracture Behavior of Long Fiber Reinforced Thermoplastics,” Journal of Materials Science, Vol.29, No.21, pp. 5732-5738, 1994
4. Voss, H. , Kocsis, J.K., “Fatigue Crack Propagation in Glass-Fibre and Glass-Sphere Filled PBT Composites,” International Journal of Fatigue, Vol.10, No.1, pp.3-11, 1988
5. 李澤昌，短玻璃纖維強化聚丁烯對苯二甲酸酯複合材料之磨耗性質研究，國立中央大學機械工程學系，博士論文，民國91年。
6. 蔡文偉，PBT/GF射出成型製程最佳化及挫屈特性研究，國立中央大學機械工程學系，碩士論文，民國91年。
7. Mandell, J.F., Smith K.L., Huang D.D., ”Effects of Residual Stressed Orientation on the Fatigue of Injection Molded Polysulfone,” Polymer Engineering and Science, Vol.21, No.17, pp.1173-1180, 1982
8. Tadmor, Z., ”Molecular Orientation in Injection Molding,” Journal of Applied Polymer Science, Vol.18, pp1753-1772, 1974
9. Guo, M. ,Bowman, J., ”Processing-Mechanical Property Relationshipsin Injection Moldings of Polybutylene,” ,Journal of Applied Polymer Science, Vol.28, pp 2341-2362, 1983
10. Kantz, M.R., Newman, H.D., Stigale, F.H., ”The Skin-Core Morphology and Structure-Property Relationships in Injection-Molded Polypropylene”, Journal
11. Bakerdjian, Z., Kamal, M.R., ”Distribution of Some Physical Properties in Injection-Molded Thermoplastic Parts ”, Polymer Engineering and Science,Vol. 17, No. 2, pp96-100, 1977
12. Cox, H.W., Mentzer, C.C., ”Injection Molding:The Effect of Fill time on properties,” Polymer Engineering and Science, Vol.26, No.7, pp488-498, 1986
13. Michael ST., Jacques, ”An Analysis of Thermal Warpage in Injection Molded Flat Parts Due to Unbalanced Cooling”, Polymer Engineering and Science, Vol. 27, No.14, pp.1069-1078, 1987
14. Cox, H.W., Mentzer, C.C., ”Injection Molding:The Effect of Fill time on properties ,” Polymer Engineering and Science, Vol.26, No. 7, pp488-498, 1986
15. Siegman, A., Buchman, A., Kenig, S., ”Residual Stress in PolymersⅢ:The Influence of Injection-Molding Process Conditions ”, Polymer Engineering and Science, Vol. 22, No. 22, No. 9, pp560-568, 1982
16. David P., Russell and Peter W.R. Beaument, ”Structure and Properties of Injection-Molded Nylon-6Ⅱ Their Effect on Mechanical Behavior”, Polymer Engineering and Science, Vol.21, pp997-1002, 1981
17. Siegmann, A., Buchman, A., Keng, S., ”Residual Stress in Polymers Ⅱ.Their Effect on Mechanical Behavior,” Polymer Engineering and Science, Vol.22, No. 4, pp.997-1002, 1982
18. Siegmann, A., Keng, S., Buchman, A., ”Residual Stress in Injection-Molded Amorphous Polymer,” Polymer Engineer and Science, Vol.27, No.14, pp1069-1078, 1987
19. Mavridis, H., Hrymak, A.N., Vlachopoulos, J., “Finite Element Simulation of Fountain Flow in Injection Molding,” Polymer Engineering and Science, Vol.26, pp.449-454, 1986.
20. Kamal, M.R., Goyal, S.K., Chu, E., “Simulation of Injection Mold Filling of Viscoelastic Polymer with Fountain Flow,” AICHE Journal, Vol.34, pp.94-106, 1988.
21. Hayes, R.E., Dannelongue, H.H., Tanguy, P.A., “Numerical Simulation of Mold Filling in Reaction Injection Molding,” Polymer Engineering and Science, Vol.31, pp.842-848, 1991.
22. Zuber, J.P., “CAE Processing Analysis of Plastic Fenders,” Simultaneous Engineering in Automotive Development, Vol.935, pp.17-26, 1992.
23. Santhanam, N., Chiang, H.H., “Postmolding and Load-induced Deformation Analysis of Plastic Parts in the Injection Molding Process,“ Advances in Polymer Technology, Vol.11, No.2, pp.77-89, 1992.
24. Yu, J.S., Wagner, A.H., Kalyon, D.M., “Simulation of Microstructure Development in Injection Molding of Engineering Plastics,” Journal of Applied Polymer Science, Vol.44, No. 3, pp.477-489, 1992.
25. Alexandrou, A.N., Ahmed, A., “Injection Molding Using a Generalized Eulerian Lagrangian Formulation,” Polymer Engineering and Science, Vol.33, pp.1055-1064, 1993.
26. Gupta, M., Wang, K.K., “Fiber Orientation and Mechanical Properties of Short Fiber Reinforced Injection Molded Composites: Simulation and Experimental Results,” Polymer Composites, Vol.14, pp.367-382, 1993.
27. Chen, S.C., Hsu, K.F., “Numerical Simulation and Experimental Verification of Melt Front Advancements in Coinjection Molding Process,” Numerical Heat Transfer: An International Journal of Computation and Methodology, Part A: Applications, Vol.28, No.4, pp.503-513, 1995.
28. Chen, C.S., Chen, Y. C., “Calculations of the Flow-induced Residual Stress Development in the Injection Modeled Plate,” Computers and Structures, Vol.52, No. 5 pp.1043-1050, 1994.
29. Boitout, F., Agassant, J.F., Vincent, M., “Elastic Calculation of Residual Stresses in Injection Molding”, International Polymer Processing X, Vol.3, pp.237-242, 1995, pp.130-134, 1995.
30. Zoetelief, W.F., Douven, L. F., Housz J.I., “Residual Thermal Stresses in Injection Molded Products”, Polymer Engineering and Science, Vol.36, No.14, pp.1886-1896, 1996.
31. Kabanemi, K. K., Vaillancourt, H., Wang, H., Salloum, G., “Residual Stresses Shrinkage and Warpage of Complex Injection Molded Products:Numerical Simulation and Experimental Validation,” Polymer Engineering and Science, Vol.38, No.1, pp.21-37, 1998.
32. Choi, D.S., Im, Y.T., “Prediction of Shrinkage and Warpage in Consideration of Residual Stress in Integrated Simulation of Injection Molding,” Composites and Structures, Vol.47, pp.655-665, 1999.
33. Zheng, R., Kennedy, P., Thien, N.P., Fan, X.J., “Thermoviscoelastic Simulation of Thermally and Pressure-induced Stresses in Injection Molding for the Prediction of Shrinkage and Warpage for Fibre-reinforced Thermoplastics,” J. Non-Newtonian Fluid Mechanics, Vol. 84, pp.159-190, 1999.
34. Feldman, E., “Postbuckling Analysis of Laminated Plates Made of Discontinuous Metal Matrix Composite,” Composite Structures, Vol.32, Issue 1-4, pp.89-96, 1995.
35. Bisagni, C., “Exoerimental Buckling of Thin Composite Cylinders in Compression,” AIAA Journal, Vol.37, No.2, pp.276-278, 1999.
36. Touati, D., Cederbaum, G., “Postbuckling of Non-linear Viscoelastic Imperfect Laminated Plates. Part II: Structural Analysis,” Composite Structures, Vol.42, No. 1, pp.43-51, 1998.
37. Tomblin, J. S., “Imperfection sensitivity of Fiber Micro-buckling in Elastic-nonlinear Polymer-matrix Composite,” International Journal of Solids and Structures, Vol.34, No.13, pp.1667-1679, 1997.
38. Bisagni, C.,”Numerical analysis and experimental correlation of composite shell buckling and post-buckling,” Composites partB: engineering, pp655-677, 2000
39. Featherston, C. A., “Imperfection Sensitivity of Flat Plates under Combined Compression and Shear,” International Journal of Non-linear Mechanics, Vol.36, pp.249-259, 2001.
40. Doong, J.L.,Nonlinear Analysis of Thick Plates, Ph.D. Thesis, National Cheng Kung University, 1983.
41. Stevens, K.A., Ricci, R., Davies G. A., “Buckling and Post-buckling of Composite Structures,” Composite, Vol.26, pp189-199, 1995.
42. Kong, C. W., Lee , I. C., Kim , C. G., Hong,C.S., “Postbuckling and Failure of Stiffened Composite Panels under Axial Compression,” Composite Structures, Vol.42, pp.13-21, 1998.
43. Roberts, J.C., Bao, G. , White, G.J., ”Experimential numerical and analytical results for bending and buckling of rectangular orthotropic plates,” Composite Structures, pp289-299.
44. Cho, C., Park , H.C., Lee S.W., "Stability analysis using a geometrically nonlinear assumed strain solid shell element model," Finite Element Analysis and Design, Vol. 29, pp.121-135, 1998
45. 賴育良，林啟豪，謝忠祐，ANSYS 電腦輔助工程分析，儒林圖書有限公司，民國89年2月。