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Composites: Mechanics, Computations, Applications: An International Journal

Published 4 issues per year

ISSN Print: 2152-2057

ISSN Online: 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

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DISPERSION OF ELASTIC MODULUS AND THE COEFFICIENT OF THERMAL EXPANSION OF 2.5D-C/SiC COMPOSITES

Volume 4, Issue 1, 2013, pp. 45-63
DOI: 10.1615/CompMechComputApplIntJ.v4.i1.30
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ABSTRACT

In this work, we investigate dispersion of the elastic moduli and the coefficient of thermal expansion (CTE) of 2.5 dimension-C/SiC ceramic matrix composites (2.5D C/SiC CMCs). A parameterized double-scale model for 2.5D-C/SiC CMCs, in which the elastic moduli and CTE predicted are found to be in good agreement with experimental results, was proposed. Then, by combining this model with a numerical simulation method, the relationship between the microparameters, elastic moduli, and the CTE could be carried out. Then, the influence of the microparameters on the elastic moduli and CTE was investigated. Finally, the dispersion of the the elastic moduli and CTE was studied by the Monte Carlo method. The analysis results show that the span of warp, the volume fraction of the fibers, and the ratio of microporosity have a significant influence on the strength properties of 2.5D-C/SiC CMCs. The elastic moduli and CTE of 2.5D-C/SiC CMCs change with a variety of microparameters. Meanwhile, a series of experiments have been performed to study the distribution of the elastic moduli and CTE of 2.5D-C/SiC CMCs. Both the experimental and theoretical distributions of the elastic moduli and CTE with a variety of microparameters fit well with the normal distribution.

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