MODAL AND THERMAL-MECHANICAL COUPLING ANALYSIS INAUTOMOTIVE DISC BRAKE MECHANISM

BI HouHuang; HE JiaNing; LI ShiJin; GUO Kai

doi:10.16579/j.issn.1001.9669.2017.01.035

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MODAL AND THERMAL-MECHANICAL COUPLING ANALYSIS INAUTOMOTIVE DISC BRAKE MECHANISM

更新时间：2022-09-22

- MODAL AND THERMAL-MECHANICAL COUPLING ANALYSIS INAUTOMOTIVE DISC BRAKE MECHANISM
- Journal of Mechanical Strength Vol. 39, Issue 1, Pages: 204-209(2017)
- 作者机构：
  
  1. 昆明理工大学机电工程学院
  2. 昆明理工大学现代农业工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2017.01.035
  CLC：
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BI HouHuang, HE JiaNing, LI ShiJin, et al. MODAL AND THERMAL-MECHANICAL COUPLING ANALYSIS INAUTOMOTIVE DISC BRAKE MECHANISM. [J]. 39(1):204-209(2017)
DOI：

BI HouHuang, HE JiaNing, LI ShiJin, et al. MODAL AND THERMAL-MECHANICAL COUPLING ANALYSIS INAUTOMOTIVE DISC BRAKE MECHANISM. [J]. 39(1):204-209(2017) DOI： 10.16579/j.issn.1001.9669.2017.01.035.

摘要

汽车盘式刹车机构在刹车片与刹车盘表面接触摩擦制动时导致刹车片发生振动,当刹车片振动频率与材料固有频率接近时,易导致片体结构暗裂崩溃。不同材料的刹车片的固有频率、与刹车盘摩擦作用产生的温度场、热力场各不相同。通过对不同的材料参数下刹车片的模态分析研究,使用Abaqus对刹车机构做显式动力学热力耦合分析;对输出的刹车片固有频率和刹车盘节点温度、位移、热应力等结果值进行对比,数据显示在刹车制动过程中复合材料的刹车片在避免共振、提高制动性能方面均要优于半金属材料。综合分析求解的结果在提高刹车制动机构的安全性与制动效能上有较大参考价值。

Abstract

Brake pad is vibrating when it is friction contact with the brake disc surface in automotive disc brake mechanism.When the vibration rate is close to its natural frequency of the material. It is easily lead to unobvious craze and collapse in slice body structure. The natural frequency and the temperature field and the thermal field generated by the friction action of the brake disc are different from various pad material. Through the modal analysis of the disc brake pad in different material parameters,and use the ABAQUS to analyze the display dynamic thermal mechanical coupling in brake mechanism. Take the output results of the brake pad natural frequency and the brake disk node temperature,displacements,thermal stress compare with others. The data shows that the composite brake pad is better than the half metallic materials during brake process in avoid resonance and improve braking performance sides. The comprehensive analysis results and solutions,It has reference value in improving safety and brake efficiency aspects about the brake mechanism.

关键词

刹车制动模态分析Abaqus温度场热力耦合

Keywords

BrakeModal analysisABAQUSTemperature fieldThermal-mechanical coupling

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