Zobrazeno 1 - 10
of 458
pro vyhledávání: '"David L McDowell"'
Autor:
Mohammadreza Yaghoobi, Krzysztof S. Stopka, Aaditya Lakshmanan, Veera Sundararaghavan, John E. Allison, David L. McDowell
Publikováno v:
npj Computational Materials, Vol 7, Iss 1, Pp 1-12 (2021)
Abstract The PRISMS-Fatigue open-source framework for simulation-based analysis of microstructural influences on fatigue resistance for polycrystalline metals and alloys is presented here. The framework uses the crystal plasticity finite element meth
Externí odkaz:
https://doaj.org/article/6e21912b29144e4686122b882f1173a6
Autor:
Wen Chen, Thomas Voisin, Yin Zhang, Jean-Baptiste Florien, Christopher M. Spadaccini, David L. McDowell, Ting Zhu, Y. Morris Wang
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-12 (2019)
The impact of grain-scale residual stresses on the mechanical behaviour of 3D-printed metals and alloys remains unexplored. Here, the authors combine in situ synchrotron X-ray diffraction and computer simulations to link residual stresses in steel to
Externí odkaz:
https://doaj.org/article/24c026e2474d46beb98ce7c39fd2a122
Publikováno v:
International Journal for Multiscale Computational Engineering. 21:21-65
Hydrogen embrittlement is a long-standing issue in engineering structural applications with a multitude of competing hypotheses and theories. Despite advances in experimental and computational capabilities, common understanding of contributing phenom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2bb360d2993e8158d61c1657c645656
https://doi.org/10.1615/intjmultcompeng.2022042488
https://doi.org/10.1615/intjmultcompeng.2022042488
Publikováno v:
MRS Communications. 12:1077-1085
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1f1e47b8d7898a59f6edb2ca2387de9
https://doi.org/10.1557/s43579-022-00238-w
https://doi.org/10.1557/s43579-022-00238-w
Autor:
Wen Chen, Thomas Voisin, Yin Zhang, Jean-Baptiste Forien, Christopher M. Spadaccini, David L. McDowell, Ting Zhu, Y. Morris Wang
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-1 (2021)
Externí odkaz:
https://doaj.org/article/4e653345d82445cd88396fbdadfd6ded
Publikováno v:
npj Computational Materials, Vol 3, Iss 1, Pp 1-8 (2017)
Metals: hydrogen probe divides nickel into grains Identifying all hydrogen absorption sites at metallic grain boundaries allows for a quantitative prediction of metal failure. An international team of researchers led by Ting Zhu at Georgia Institute
Externí odkaz:
https://doaj.org/article/2df320b9f819461e9361ebc65ad35b11
Publikováno v:
Journal of Micromechanics and Molecular Physics. :103-125
Recent developments in generalized continuum modeling methods ranging from coarse-grained atomistics to micromorphic theory offer potential to make more intimate physical contact with dislocation field problems framed at length scales on the order of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48e938bfd9addf5b34d5f22d1f0fe7f2
https://doi.org/10.1142/s2424913021420133
https://doi.org/10.1142/s2424913021420133
Autor:
Adrienne Muth, Aditya Venkatraman, Reji John, Adam Pilchak, Surya R. Kalidindi, David L. McDowell
Publikováno v:
Mechanics of Materials. 182:104679
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::570e6ff20209e31de6bef95481860791
https://doi.org/10.1016/j.mechmat.2023.104679
https://doi.org/10.1016/j.mechmat.2023.104679
Publikováno v:
Journal of Materials Research. 36:2601-2614
In this perspective, we: (a) characterize the multiscale nature of the mechanical (plasticity, fracture, twinning, and phase transformations) and thermal behavior, as well as the mass transport behavior in a variety of materials with microstructure c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f16bca6cfc4520c38ca6462385637a50
https://doi.org/10.1557/s43578-021-00293-4
https://doi.org/10.1557/s43578-021-00293-4
Publikováno v:
Metallurgical and Materials Transactions A. 52:3961-3977
Understanding of and accounting for various mechanisms that affect inelastic deformation of crystalline metals in the presence of hydrogen remains an unsettled issue. Macroscopic experimental observations contradict limited atomistic simulations, com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4f02bead00376bae5713cad926d05d6
https://doi.org/10.1007/s11661-021-06357-8
https://doi.org/10.1007/s11661-021-06357-8