Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Sepehr Sadeh"'
Autor:
Sepehr Sadeh, Arif Malik
Publikováno v:
Materials & Design, Vol 205, Iss , Pp 109701- (2021)
In this work, laser shock peening (or simply laser peening) is investigated for the first time as a post welding treatment for dissimilar foils joined via the fully-mechanical, high-velocity laser impact welding technique. Single and double laser pee
Externí odkaz:
https://doaj.org/article/1ce6dbe5046c46bbb02da24972b8c63c
Autor:
Sepehr Sadeh, Glenn H. Gleason, Mohammad I. Hatamleh, Sumair F. Sunny, Haoliang Yu, Arif S. Malik, Dong Qian
Publikováno v:
Metals, Vol 9, Iss 11, p 1196 (2019)
In this study, spatial and temporal profiles of an Nd-YAG laser beam pressure pulse are experimentally characterized and fully captured for use in numerical simulations of laser impact welding (LIW). Both axisymmetric, Arbitrary Lagrangian-Eulerian (
Externí odkaz:
https://doaj.org/article/0069a17f9207490ba1e4e79bfebd687e
Autor:
Sepehr Sadeh, Ritin Mathews, Runyu Zhang, Sumair Sunny, Deon Marais, Andrew M. Venter, Wei Li, Arif Malik
Publikováno v:
Journal of Manufacturing Processes. 94:69-78
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d5390a299b37c7e666ae0318b009167
https://doi.org/10.1016/j.jmapro.2023.03.036
https://doi.org/10.1016/j.jmapro.2023.03.036
Publikováno v:
Procedia Manufacturing. 48:204-214
In this study, details of the rapidly evolving state of a laser impact welding (LIW) process are simulated by incorporating a hydrodynamic plasma pressure model into a high-fidelity thermomechanical Eulerian numerical approach. Detailed evolution of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f08ac90f5635055450ea8998a388edc3
https://doi.org/10.1016/j.promfg.2020.05.039
https://doi.org/10.1016/j.promfg.2020.05.039
Autor:
Arif S. Malik, Sepehr Sadeh
Publikováno v:
Materials & Design, Vol 205, Iss, Pp 109701-(2021)
In this work, laser shock peening (or simply laser peening) is investigated for the first time as a post welding treatment for dissimilar foils joined via the fully-mechanical, high-velocity laser impact welding technique. Single and double laser pee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91da5bd8a0e99e5f292583b1a9f74958
https://doi.org/10.1016/j.matdes.2021.109701
https://doi.org/10.1016/j.matdes.2021.109701
Publikováno v:
Volume 4: Processes.
Laser shock peening (LSP) is an advanced surface treatment technique that can extend fatigue life in metallic components by inducing near-surface compressive residual stresses. In this study, LSP was implemented to induce compressive residual stresse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::135e3ee9567337ae2804bd0e36bd1ddc
https://doi.org/10.1115/msec2018-6706
https://doi.org/10.1115/msec2018-6706
Autor:
Sepehr Sadeh, Kunal Mitra
Publikováno v:
Volume 2: Heat Transfer in Multiphase Systems; Gas Turbine Heat Transfer; Manufacturing and Materials Processing; Heat Transfer in Electronic Equipment; Heat and Mass Transfer in Biotechnology; Heat Transfer Under Extreme Conditions; Computational Heat Transfer; Heat Transfer Visualization Gallery; General Papers on Heat Transfer; Multiphase Flow and Heat Transfer; Transport Phenomena in Manufacturing and Materials Processing.
Lasers are widely used as high-accuracy tools for material processing. Different types of lasers such as CO2, Nd:YAG, and excimer lasers are used in different operating modes such as continuous wave, pulsed or Q-switched. Volumes of materials and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce1a4b385e6738598abc01b222441ef4
https://doi.org/10.1115/ht2016-7402
https://doi.org/10.1115/ht2016-7402