Este trabalho concentrou-se na simulação das fases de preenchimento e resfriamento do processo de injeção do polipropileno isotático. Foi utilizado um modelo matemático baseado nas equações de conservação onde foi considerada a cinética de cristalização quiescente como termo fonte na equação da energia. Os parâmetros do modelo de cinética de cristalização, assim como os do modelo de viscosidade, foram obtidos experimentalmente. Para a solução das equações governantes foi utilizado o método dos volumes finitos. Como resultados foram obtidos os campos de temperatura, pressão, velocidade, taxa de cisalhamento e cristalinidade em diferentes condições de processamento.This work is concerned with the simulation of the filling and cooling stages o...
The possibility of tailoring key surface properties through the injection molding process makes it i...
The possibility of tailoring key surface properties through the injection molding process makes it i...
The purpose of this work was to define the processes through which the cooling of thermoplastics par...
The present study is an attempt to formulate a new approach to the modeling of the injection molding...
Note:A comprehensive mathematical model is presented in this study to describe the molding cycle of ...
The injection moldings of isotactic polypropylenes with various molecular weights were simulated usi...
Being able to properly model the material structure formation during processing is a fundamental ste...
The thermomechanical history experienced by plastics melts and solids during processing leads to the...
\u3cp\u3eBeing able to properly model the material structure formation during processing is a fundam...
International audienceSingle stage injection blow molding process, without preform storage and rehea...
The effect of temperature, pressure and flow on viscosity, relaxation time, nucleation density, crys...
A thorough analysis of the effect of operative conditions of injection molding process oil the morph...
In this work, two mathematical models for the simulation of the injection molding process were teste...
International audienceA model for the packing stage in injection molding of thermoplastics is propos...
The possibility of tailoring key surface properties through the injection molding process makes it i...
The possibility of tailoring key surface properties through the injection molding process makes it i...
The purpose of this work was to define the processes through which the cooling of thermoplastics par...
The present study is an attempt to formulate a new approach to the modeling of the injection molding...
Note:A comprehensive mathematical model is presented in this study to describe the molding cycle of ...
The injection moldings of isotactic polypropylenes with various molecular weights were simulated usi...
Being able to properly model the material structure formation during processing is a fundamental ste...
The thermomechanical history experienced by plastics melts and solids during processing leads to the...
\u3cp\u3eBeing able to properly model the material structure formation during processing is a fundam...
International audienceSingle stage injection blow molding process, without preform storage and rehea...
The effect of temperature, pressure and flow on viscosity, relaxation time, nucleation density, crys...
A thorough analysis of the effect of operative conditions of injection molding process oil the morph...
In this work, two mathematical models for the simulation of the injection molding process were teste...
International audienceA model for the packing stage in injection molding of thermoplastics is propos...
The possibility of tailoring key surface properties through the injection molding process makes it i...
The possibility of tailoring key surface properties through the injection molding process makes it i...
The purpose of this work was to define the processes through which the cooling of thermoplastics par...