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International Journal for Multiscale Computational Engineering

Publicado 6 números por año

ISSN Imprimir: 1543-1649

ISSN En Línea: 1940-4352

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: 1.4 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: 1.3 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 2.2 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: 0.00034 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: 0.46 SJR: 0.333 SNIP: 0.606 CiteScore™:: 3.1 H-Index: 31

Indexed in

Effect of Interlamellar Spacing on the Constitutive Behavior of Pearlitic Steels Via Damage and Multiscale Analysis

Volumen 3, Edición 2, 2005, pp. 161-176
DOI: 10.1615/IntJMultCompEng.v3.i2.40
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SINOPSIS

The effect of interlamellar spacing on the constitutive behavior of pearlitic steels is investigated through the analysis of the damage in each phase of the materials and using a multiscale approach. A pearlitic material is composed of numerous colonies with randomly distributed orientations, each of which is further composed of numerous fine lamellas of ferrite and cementite. Between each pair of ferrite and cementite lamellas, a thin transient interfacial lamella is assumed. Each of the three phases is considered as an elastoplastic medium with some pattern of microdefect. Based on the concept of energy-release-rate and continuum damage mechanics as well as the geometric characteristics of microdefects in different phases, a unified damage evolution law is obtained. It explicitly contains the interlamellar spacing, accounting for the better mechanical properties of pearlitic materials with smaller interlamellar spacing. The constitutive description for a single pearlitic colony is derived using the obtained damage and its evolution, and taking into account its lamellar microstructure. The description for pearlitic steels is obtained with the Hill's self-consistent scheme. The response of BS11 subjected to asymmetric stress cycling is analyzed. The satisfactory agreement between the computed and experimental results demonstrates the validity of the proposed model.

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