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合成材料:力学,计算和应用

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ISSN 打印: 2152-2057

ISSN 在线: 2152-2073

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00004 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.08 SJR: 0.153 SNIP: 0.178 CiteScore™:: 1 H-Index: 12

Indexed in

NONCIRCULAR CFRP BICYCLE'S CHAINRING, PART II: FINITE ELEMENT ANALYSIS

卷 9, 册 3, 2018, pp. 207-222
DOI: 10.1615/CompMechComputApplIntJ.2018025471
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摘要

In this paper, numerical simulation is developed in order to analyze the failure of a noncircular composite chainring, and teeth damage is especially detailed. Simulation consists of the chainring and a part of the metallic chain. To reduce the size of the numerical model only the first 11 rollers are simulated. In order to validate the numerical simulation, the force–displacement curve is compared with the experimental results obtained on the same specimens used in the simulation. Then, the effect of the noncircular shape is studied through three different loading positions, and a damage scenario is proposed. Moreover, the effect of composite lay-up is investigated through different lay-ups. The results show that the loading position has no influence on the chainring behavior, while the damage scenario depends on it. The damage consists of matrix cracking located on the teeth surface. Finally, the thickness can be reduced to 9 plies lay-up and even if the damage is larger, it is always located on the teeth surface.

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