To optimize the injection molding process of glass fiber reinforced acrylonitrile-styrene composite material(GFAS)with glass fiber content of 30％.The Taguchi experiments were designed by selecting the processing temperature,injection speed,holding pressure and mold temperature as factors,and taking tensile strength,flexural strength and notched impact strength as evaluation indicators.The results of range analysis and ANOVA showed that injection speed had the most significant effect on tensile strength,and packing pressure could also significantly affect the flexural strength and notched impact strength of the composite.According to the analysis results,a single-factor experiment of packing pressure and injection speed was carried out,and the final optimal combination of process parameters was:processing temperature 250 ℃,injection speed 50％,packing pressure 75 MPa,mold temperature 65 ℃,the tensile strength of the material was 143.4 MPa,the flexural strength was 199.9 MPa,and the notched impact strength was 19.2 kJ/m2,which improved the mechanical properties of the composite(GFAS)by optimizing the injection molding process parameters.
关键词
丙烯腈-苯乙烯共聚物/长玻纤/注塑工艺优化/力学性能/复合材料
Key words
acrylonitrile-styrene copolymer/long glass fiber/injection molding process optimization/mechanical properties/composite
维普
万方数据