Simple and accurate model of fracture toughness of solids
1
Department of Geosciences and Center for Materials by Design, Institute for Advanced Computational Science, State University of New York 1 , Stony Brook, New York 11794-2100, USA
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Publication type: Journal Article
Publication date: 2019-02-13
scimago Q2
wos Q3
SJR: 0.580
CiteScore: 5.1
Impact factor: 2.5
ISSN: 00218979, 10897550
General Physics and Astronomy
Abstract
Fracture toughness KIC plays an important role in materials design. Along with numerous experimental methods to measure the fracture toughness of materials, its understanding and theoretical prediction are very important. However, theoretical prediction of fracture toughness is challenging. By investigating the correlation between fracture toughness and the elastic properties of materials, we have constructed a fracture toughness model for covalent and ionic crystals. Furthermore, by introducing an enhancement factor, which is determined by the density of states at the Fermi level and atomic electronegativities, we have constructed a universal model of fracture toughness for covalent and ionic crystals, metals, and intermetallics. The predicted fracture toughnesses are in good agreement with experimental values for a series of materials. All the ingredients of the proposed model of fracture toughness can be obtained from first-principles calculations or from experiments, which makes it suitable for practical applications.
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238
Total citations:
238
Citations from 2024:
110
(46.22%)
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Niu H. et al. Simple and accurate model of fracture toughness of solids // Journal of Applied Physics. 2019. Vol. 125. No. 6. p. 65105.
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Niu H., Niu S., Oganov A. R. Simple and accurate model of fracture toughness of solids // Journal of Applied Physics. 2019. Vol. 125. No. 6. p. 65105.
Cite this
RIS
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TY - JOUR
DO - 10.1063/1.5066311
UR - https://doi.org/10.1063/1.5066311
TI - Simple and accurate model of fracture toughness of solids
T2 - Journal of Applied Physics
AU - Niu, Haiyang
AU - Niu, Shiwei
AU - Oganov, A. R.
PY - 2019
DA - 2019/02/13
PB - AIP Publishing
SP - 65105
IS - 6
VL - 125
SN - 0021-8979
SN - 1089-7550
ER -
Cite this
BibTex (up to 50 authors)
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@article{2019_Niu,
author = {Haiyang Niu and Shiwei Niu and A. R. Oganov},
title = {Simple and accurate model of fracture toughness of solids},
journal = {Journal of Applied Physics},
year = {2019},
volume = {125},
publisher = {AIP Publishing},
month = {feb},
url = {https://doi.org/10.1063/1.5066311},
number = {6},
pages = {65105},
doi = {10.1063/1.5066311}
}
Cite this
MLA
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Niu, Haiyang, et al. “Simple and accurate model of fracture toughness of solids.” Journal of Applied Physics, vol. 125, no. 6, Feb. 2019, p. 65105. https://doi.org/10.1063/1.5066311.
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