Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Jaafar A. El-Awady"'
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-11 (2021)
The relationship between the strain rate and micro-scale deformation in metals is still poorly understood. Here the authors use discrete dislocation dynamics and molecular dynamics to establish a universal relationship between material strength, disl
Externí odkaz:
https://doaj.org/article/6729315127bb4affa35270be5641bd97
Autor:
Yejun Gu, Jaafar A. El-Awady
Publikováno v:
Materials Theory, Vol 4, Iss 1, Pp 1-22 (2020)
Abstract A theoretical model for computing the interstitial solute concentration and the interstitial solute-induced stress field in a three-dimensional finite medium with any arbitrary elastic fields was developed. This model can be directly incorpo
Externí odkaz:
https://doaj.org/article/bdfb5375ff5947e6b4dd0fae6588c502
Autor:
Quan Jiao, Gi-Dong Sim, Mageshwari Komarasamy, Rajiv S. Mishra, Peter K. Liaw, Jaafar A. El-Awady
Publikováno v:
Materials Research Letters, Vol 6, Iss 5, Pp 300-306 (2018)
The response of [100]-oriented single-crystal face-centered-cubic Al0.1CoCrFeNi and Al0.3CoCrFeNi high-entropy alloy (HEA) microcrystals tested from 293 to 573 K by means of in situ micro-compression is reported. At all temperatures, plasticity is go
Externí odkaz:
https://doaj.org/article/ea4652924533441fad8c0806023ab381
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-2 (2021)
Externí odkaz:
https://doaj.org/article/8336f98e6e9e413ea8de3550124d328d
Autor:
Mostafa M. Omar, Jaafar A. El-Awady
Publikováno v:
Science (New York, N.Y.). 377(6610)
The life span of metals can be inferred from early microscopic deformation events
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::488a70eb06a8578190fd37fbc378a997
https://pubmed.ncbi.nlm.nih.gov/36048948
https://pubmed.ncbi.nlm.nih.gov/36048948
Publikováno v:
Acta Materialia. 253:118945
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2142d96948594df31cef58ebe3f0b7f4
https://doi.org/10.1016/j.actamat.2023.118945
https://doi.org/10.1016/j.actamat.2023.118945
Publikováno v:
Acta Materialia. 195:13-24
Consideration of published TEM and molecular dynamics studies of interactions between matrix dislocations and { 10 1 ¯ 2 } twin boundaries (TB) in hexagonal close packed metals inspires a hypothesis regarding the formation of dislocations with Burge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cac2e2f191a812b3af2d12f23b9f281
https://doi.org/10.1016/j.actamat.2020.04.033
https://doi.org/10.1016/j.actamat.2020.04.033
Publikováno v:
Scripta Materialia. 224:115120
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a062087b0c3bcb0e649faf69e11f2179
https://doi.org/10.1016/j.scriptamat.2022.115120
https://doi.org/10.1016/j.scriptamat.2022.115120
Autor:
Markus Sudmanns, Jaafar A. El-Awady
The exceptional combination of strength and ductility in multi-component alloys is often attributed to the interaction of dislocations with the various solute atoms in the alloy. To study these effects on the mechanical properties of such alloys ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5088c87bce5a85140d626ab3e404e76
http://arxiv.org/abs/2106.00823
http://arxiv.org/abs/2106.00823
Publikováno v:
Acta Materialia. 178:241-248
Here, an experimental study utilizing in-situ scanning electron microscopy (SEM) micro-compression testing and post-mortem transmission electron microscopy (TEM) imaging is presented to quantify the effect of temperature on the transition in deformat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd3548ca339b2baa6cf6bc52d4c9747
https://doi.org/10.1016/j.actamat.2019.08.014
https://doi.org/10.1016/j.actamat.2019.08.014