Zobrazeno 1 - 10
of 202
pro vyhledávání: '"Sean B. Leen"'
Publikováno v:
Journal of Advanced Joining Processes, Vol 5, Iss , Pp 100106- (2022)
A key challenge for metal additive manufacturing is the requirement to adapt process-structure-property methods currently under development to realistic, complex geometries. Of specific concern in the present work is the requirement for accurate comp
Externí odkaz:
https://doaj.org/article/e3927af01dca4472be9c3f6c716bec0e
Publikováno v:
Materials & Design, Vol 205, Iss , Pp 109709- (2021)
A physically-based, mixed-phase structure-property model is presented for microstructure-sensitivity of tensile stress-strain response, including yield stress, ultimate tensile strength, uniform elongation and flow stress (strain hardening), for addi
Externí odkaz:
https://doaj.org/article/cc53c680c46847a5b9d3d704c0bba569
Publikováno v:
Materials, Vol 11, Iss 11, p 2243 (2018)
This paper investigates the fatigue damage and cracking behavior of aluminum alloy 2024-T4 with different levels of prior corrosion. Damage evolution, crack initiation and propagation were experimentally analyzed by digital image correlation, scannin
Externí odkaz:
https://doaj.org/article/30feae2a1aa5414da2565652fb3c1454
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. 237:1458-1474
Powder bed fusion (PBF) has attracted significant attention in many applications due to its capability of fabricating complex and customized metal parts. However, the potential for high inherent residual stresses that produce distortion in additive m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfa6a1a3263c224ab63e2b171a6c8d93
https://doi.org/10.1177/14644207221146288
https://doi.org/10.1177/14644207221146288
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. 235:1901-1924
The common approach to crystal-plasticity finite element modeling for load-bearing prediction of metallic structures involves the simulation of simplified grain morphology and substructure detail. This paper details a methodology for predicting the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38a1301b7764f825be9ec2c798522a17
https://doi.org/10.1177/14644207211010836
https://doi.org/10.1177/14644207211010836
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 44:2000-2014
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57cdadcb267629a79b228a0f377b1ba0
https://doi.org/10.1111/ffe.13471
https://doi.org/10.1111/ffe.13471
Autor:
Yefeng Chen, Xiaowei Wang, Dong Li, Dewen Zhou, Yong Jiang, Xinyu Yang, Chenglu Liu, Sean B. Leen, Jianming Gong
Publikováno v:
Materials Characterization. 198:112753
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6159af0ffe520cd3beb48afa62728b3
https://doi.org/10.1016/j.matchar.2023.112753
https://doi.org/10.1016/j.matchar.2023.112753
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. 235:1238-1247
This paper presents a dislocation-based yield strength model for the nano-indentation size effect. The model is based on functional expressions involving the densities of statistically stored dislocations and geometrically necessary dislocations. A s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::381b8fe7c0a8423ade5ff2a75a184cf1
https://doi.org/10.1177/1464420721992796
https://doi.org/10.1177/1464420721992796
Publikováno v:
Journal of Manufacturing Processes. 61:428-439
This paper presents the development of an integrated approach for microstructure prediction in laser beam powder bed fusion (PBF-LB) manufacturing of Ti-6Al-4V, primarily focused on the solidification morphology and solid-state phase transformation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee5cfceccf8ff811a3aaa0df272c08cc
https://doi.org/10.1016/j.jmapro.2020.11.033
https://doi.org/10.1016/j.jmapro.2020.11.033
A methodology is presented for physically-based prediction of high temperature fatigue crack initiation in 9Cr steels, with a focus on material inhomogeneity due to welding-induced metallurgical transformations. A modified form of the Tanaka-Mura mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efe0188803aa5e548c18f5a2fdc00eaa
http://hdl.handle.net/10379/17219
http://hdl.handle.net/10379/17219
