中国塑料2025，Vol.39Issue(7)：44-48,5.DOI:10.19491/j.issn.1001-9278.2025.07.008
基于渐进失效模型的RTP管力学性能分析
Analysis of mechanical properties of RTP pipe based on progressive failure model
王文昊 1仇思源 1李亚娇 1孙靖尧 2吴大鸣 2王树远 3许红 1盖云卿3
作者信息
- 1. 北京化工大学机电工程学院,北京 100029
- 2. 北京化工大学机电工程学院,北京 100029||有机无机复合材料国家重点实验室,北京 100029
- 3. 山东亚洪塑胶工业有限公司,山东 临沂 276600
- 折叠
摘要
Abstract
This study investigated the mechanical behavior of reinforced thermoplastic composite pipes(RTP)under inter-nal pressure using finite element analysis.A Python-based parametric modeling script was developed to establish the rein-forcement layer model in ABAQUS,incorporating the Hashin progressive failure criterion to predict damage initiation and progression.The simulation analyzed the effects of reinforcement layer configuration and fiber winding angles on pipeline performance.Results demonstrated that a four-layer reinforcement design withstood 10 MPa internal pressure with a safety margin,exhibiting only 1468 MPa stress in the innermost fibers(Hashin criterion<1).Furthermore,fiber orientation significantly influences mechanical performance:at±75 ° winding angles,maximum stress reduces by ap-proximately 48%compared to±35 ° configurations(816.3 MPa vs.1 569 MPa),with the Hashin criterion decreasing to 0.278.These findings provide valuable insights for optimizing RTP design parameters to enhance structural integrity under operational pressures.关键词
增强热塑性塑料管/渐进失效/Hashin失效判据/力学性能/复合材料Key words
reinforced thermoplastic pipe/progressive failure/Hashin failure criterion/mechanical property/composite分类
化学化工引用本文复制引用
王文昊,仇思源,李亚娇,孙靖尧,吴大鸣,王树远,许红,盖云卿..基于渐进失效模型的RTP管力学性能分析[J].中国塑料,2025,39(7):44-48,5.
