Analysis and modelling of the environmental stress cracking resistance of short fiber reinforced amorphous thermoplastics

短纤维增强非晶态热塑性塑料的耐环境应力开裂性能分析与建模

基本信息

项目摘要

The aim of the research is to analyze and to describe model-based the environmental stress cracking resistance of short fiber reinforced amorphous thermoplastics as a function of the orientation state of the fibers and matrix-related properties. The environmental stress cracking is one of the most common failure reasons of plastic parts during their use. It refers to a premature failure of a polymeric material under mechanical stress with simultaneous action of an environmental medium. One approach to minimize the risk of environmental stress cracking, is the use of short-fiber reinforcements. Research shows that the susceptibility to stress cracking can be significantly reduced. However, own preliminary investigations show clearly that the failure is significantly affected by the local orientation state of the reinforcing fibers. So far, no basic studies can be found in the literature for this purpose. The proposed project is intended to fill this research gap.
研究的目的是分析和描述基于模型的环境应力开裂的短纤维增强非晶热塑性塑料的纤维和矩阵相关的性能的取向状态的函数。环境应力开裂是塑料件在使用过程中最常见的失效原因之一。它是指聚合物材料在机械应力和环境介质同时作用下的过早失效。最大限度地减少环境应力开裂风险的一种方法是使用短纤维增强材料。研究表明,应力开裂的敏感性可以显着降低。然而,自己的初步调查清楚地表明,故障是显着影响的增强纤维的局部取向状态。到目前为止,在文献中还没有找到这方面的基础研究。该项目旨在填补这一研究空白。

项目成果

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Professor Dr.-Ing. Christian Hopmann其他文献

Professor Dr.-Ing. Christian Hopmann的其他文献

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{{ truncateString('Professor Dr.-Ing. Christian Hopmann', 18)}}的其他基金

Interactions in laser joining of metals to polymers
金属与聚合物激光连接中的相互作用
  • 批准号:
    417913350
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Development of a databased model for the prediction of effective mechanical and thermal properties of injection-moulded semi-crystalline thermoplastics by means of an artificial neural network (KNN) taking into account the microstructure
开发数据库模型,通过考虑微观结构的人工神经网络 (KNN) 来预测注塑半结晶热塑性塑料的有效机械和热性能
  • 批准号:
    426052003
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Analysis and modeling of the damage behavior of long-fibre-reinforced semi-crystalline thermoplastics considering fibre length and fibre curvature
考虑纤维长度和纤维曲率的长纤维增强半结晶热塑性塑料的损伤行为分析和建模
  • 批准号:
    416461157
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Simulation of the development of the microstructure of injection-moulded semi-crystalline thermoplastics by means of a multi-scale approach under consideration of shear-induced crystal forms (alpha and beta)
在考虑剪切诱导晶型(α 和 β)的情况下,通过多尺度方法模拟注塑半结晶热塑性塑料的微观结构的发展
  • 批准号:
    408012354
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Experimental and numerical investigations of laminated, fibre reininforced plastics under crash loading
碰撞载荷下层压纤维增强塑料的实验和数值研究
  • 批准号:
    404502442
  • 财政年份:
    2018
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Development and validation of a method to determine the frequency- and temperature-dependent stiffness and damping properties of plastics for the structure-borne noise simulation more precisely using the example of the for the ultrasonic welding process r
开发和验证一种方法,以确定塑料的与频率和温度相关的刚度和阻尼特性,以使用超声波焊接工艺的示例更精确地进行结构噪声模拟
  • 批准号:
    398244070
  • 财政年份:
    2018
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Analysis of the flow paths in a rubber internal mixer in dependency of different process parameters
橡胶密炼机中不同工艺参数的流路分析
  • 批准号:
    377803088
  • 财政年份:
    2017
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Integrative calculation of the weld strength of plastics parts based on an interdiffusion model presented for laser transmission welding
基于激光透射焊接相互扩散模型的塑料件焊接强度综合计算
  • 批准号:
    321043881
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Fundamental research on foaming of elastomers with water as physical blowing agent and description of mechanisms of foaming
水为物理发泡剂的弹性体发泡基础研究及发泡机理描述
  • 批准号:
    317030171
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Development and analysis of a material model based on the reptation theory for the description of the strain behaviour of PET at high strain rates
基于蠕动理论的材料模型的开发和分析,用于描述 PET 在高应变率下的应变行为
  • 批准号:
    328107189
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Research Grants

相似国自然基金

Improving modelling of compact binary evolution.
  • 批准号:
    10903001
  • 批准年份:
    2009
  • 资助金额:
    20.0 万元
  • 项目类别:
    青年科学基金项目

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