RESEARCH OF MECHANICAL PERFORMANCE OF KNITTING CORD REINFORCED RUBBER HOSE

JIN YangFu; WU Hao; QIAN Xin

doi:10.16579/j.issn.1001.9669.2017.03.030

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RESEARCH OF MECHANICAL PERFORMANCE OF KNITTING CORD REINFORCED RUBBER HOSE

更新时间：2022-09-22

- RESEARCH OF MECHANICAL PERFORMANCE OF KNITTING CORD REINFORCED RUBBER HOSE
- Journal of Mechanical Strength Vol. 39, Issue 3, Pages: 674-678(2017)
- 作者机构：
  
  1. 浙江工业大学材料科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2017.03.030
  CLC：
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JIN YangFu, WU Hao, QIAN Xin. RESEARCH OF MECHANICAL PERFORMANCE OF KNITTING CORD REINFORCED RUBBER HOSE. [J]. 39(3):674-678(2017)
DOI：

JIN YangFu, WU Hao, QIAN Xin. RESEARCH OF MECHANICAL PERFORMANCE OF KNITTING CORD REINFORCED RUBBER HOSE. [J]. 39(3):674-678(2017) DOI： 10.16579/j.issn.1001.9669.2017.03.030.

摘要

帘线增强橡胶软管广泛应用于汽车、航空、航天等领域,满足力学性能是其安全使用的关键。首先对针织帘线的建模方法进行探讨,然后利用Ansys软件对针织芳纶帘线增强三元乙丙橡胶软管的力学性能进行分析,最后研究帘线针数对橡胶软管力学性能的影响。仿真结果表明,当胶管承受0.24 MPa内压时,帘线最大等效应力是胶管基体最大等效应力的三百多倍,胶管基体最大变形量是帘线最大变形量的数倍,并且胶管基体与帘线均不会发生破坏。胶管的实验爆破压力为2.04 MPa,是预测爆破压力2.10 MPa的0.97倍。随着帘线针数的增多,帘线和胶管基体上的等效应力和变形量均先急剧减小然后趋向平缓。

Abstract

Cord reinforced rubber hose was widely used in automobile,aviation,aerospace and other fields. Meeting mechanical performance was the key to the safe use. In this paper,modeling of knitting cord was probed firstly. Then mechanical performance of aramid cord reinforced EPDM rubber hose was analyzed by ANSYS. Finally influence of cord’s needle number on mechanical properties of rubber hose was researched. The results show that maximum stress of cord is more than three hundred of times of maximum equivalent stress of rubber and maximum deformation of rubber is several times of maximum deformation of the cord when hose is imposed 0. 24 MPa inner pressure. And rubber and cord will not be destroyed. Experimental Bursting pressure of rubber hose is 2. 04 MPa,which is 97% of forecast bursting pressure 2. 10 MPa. With cord ’s needle number increasing,equivalent stress and deformation of cord and rubber all decrease sharply at first then tend to be gentle.

关键词

软管橡胶帘线芳纶Ansys

Keywords

HoseRubberCordAramidANSYS

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