基于载荷谱编制的橡胶隔振器加速疲劳台架试验方法

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-06-24 DOI:10.1177/09544070241256426

Xiangnan Liu, Xuepeng Qian, Yi Xi

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引用次数: 0

摘要

本研究的重点是开发一种编制载荷块的新方法，以加速橡胶隔振器的疲劳台架试验。该方法包括三个主要步骤：首先，在恒定振幅载荷下对橡胶试样进行单轴拉伸疲劳试验。根据疲劳试验数据，建立橡胶疲劳寿命预测模型。其次，对悬置件载荷谱进行统计分析，并利用橡胶疲劳寿命预测模型计算悬置件的疲劳损伤分布。最后，根据损伤等效原则，将载荷谱编制成载荷块。然后，分别使用载荷谱和载荷块作为载荷数据，对悬置进行疲劳台架试验。测试结果表明，在两种加载数据类型下，悬置件的疲劳失效位置基本相同，验证了建议的载荷块编译方法的有效性。

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Accelerated fatigue bench test method for rubber vibration isolators based on load spectrum compilation

The present study is focused on the development of a novel method for compiling load blocks to accelerate the fatigue bench test of rubber vibration isolators. This approach involves three main steps: Firstly, a uniaxial tensile fatigue test is conducted on rubber specimens under a constant amplitude load. According to the fatigue test data, a rubber fatigue life prediction model is established. Secondly, the mount load spectrum is statistically analyzed, and the fatigue damage distribution of the mount is calculated using the rubber fatigue life prediction model. Lastly, following the principle of damage equivalence, the load spectrum is compiled into load blocks. The fatigue bench test of the mount is then conducted using both the load spectrum and the load block as loading data, respectively. The test results demonstrate that the fatigue failure locations of the mounts are essentially identical under both loading data types, verifying the effectiveness of the proposed load block compilation method.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.