Zobrazeno 1 - 10
of 28
pro vyhledávání: '"M. J. Torkamany"'
Autor:
Abeer A. Shehab, S. K. Sadrnezhaad, Muhaed Alali, Masood Fakouri Hasanabadi, M. J. Torkamany, Mohammed H. Abass, A. K. Mahmoud, A. H. Kokabi
Publikováno v:
Lasers in Manufacturing and Materials Processing. 9:37-55
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7218febbb883f2cdcb59ed584ee98b57
https://doi.org/10.1007/s40516-021-00159-x
https://doi.org/10.1007/s40516-021-00159-x
Publikováno v:
Iranian Journal of Physics Research, Vol 14, Iss 3, Pp 41-46 (2014)
Weld area and weld depth/width ratio can be considered to be of the most important geometrical factors in pulsed laser welding. The effects of carbon dioxide and oxygen additions to the argon shielding gas on the weld properties in pulsed laser weldi
Externí odkaz:
https://doaj.org/article/462ac84af5814f06a4ff27925c445a38
Publikováno v:
Optics & Laser Technology. 107:150-157
Surface transformation hardening is a vital final step in the manufacture of stamping and forming dies. An important requirement for the hardening process is minimizing the injection of heat into the precision machined component. The objective of thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d177afb7a4f173c032c01f41a33c12eb
https://doi.org/10.1016/j.optlastec.2018.05.030
https://doi.org/10.1016/j.optlastec.2018.05.030
Autor:
Z. Malekshahi Beiranvand, F. Malek Ghaini, M. J. Torkamany, Mohsen Sheikhi, Homam Naffakh-Moosavy
Publikováno v:
Metallurgical and Materials Transactions B. 49:2896-2905
In the current investigation, the loss of magnesium (Mg) in Nd:YAG pulsed laser welding of a number of aluminum (Al) alloys was studied both experimentally and numerically. The experimental results showed that at a fixed average laser power, with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d9a2afface90e52f7e2c805903fa574
https://doi.org/10.1007/s11663-018-1315-7
https://doi.org/10.1007/s11663-018-1315-7
Publikováno v:
Metallurgical and Materials Transactions A. 48:5387-5395
Laser welding of HASTELLOY X is highly feasible; however, hot cracking can be a matter of concern. The objective of this study is to assess the effect of solution heat treatment on susceptibility to liquation cracking in welding of a 2-mm-thick HASTE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6a2040e848f43bd3bb1bfdc7b2b3176
https://doi.org/10.1007/s11661-017-4300-x
https://doi.org/10.1007/s11661-017-4300-x
Autor:
Z. Malekshahi Beiranvand, M. J. Torkamany, Mohsen Sheikhi, H. Naffakh Moosavy, F. Malek Ghaeini
Publikováno v:
SSRN Electronic Journal.
Prevention of solidification cracking is a major concern in pulsed laser welding of aluminium-magnesium alloys. Laser parameters can affect both Mg evaporation and the solidification rate. In this study the interactive effects of Mg evaporation and s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb2fbaad3d5c3234fd00aa1ca1eafd1b
https://doi.org/10.2139/ssrn.3394576
https://doi.org/10.2139/ssrn.3394576
Publikováno v:
Optik. 203:163758
Laser transformation surface hardening of the forming edges of large mold made of nodular cast iron has gained momentum in recent years. In this investigation a 600 w fiber laser was employed to harden GGG-60 cast iron. It is found that to achieve th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ca069c81b87f1eecd5d95cc63b21640
https://doi.org/10.1016/j.ijleo.2019.163758
https://doi.org/10.1016/j.ijleo.2019.163758
Autor:
M. J. Torkamany, Alexander Kaplan, Mikko Vänskä, Joakim Hedegård, F. Malek Ghaini, Antti Salminen, Karl Fahlström
Publikováno v:
Optics & Laser Technology. 69:104-112
In laser materials processing the addition of material by wire is an option for techniques like laser welding, laser cladding or rapid prototyping. The stability of the wire deposition is strongly dependent on the wire interaction with the laser beam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d2a04d1ccbcc22d372ba43af0fb03b8
https://doi.org/10.1016/j.optlastec.2014.12.013
https://doi.org/10.1016/j.optlastec.2014.12.013
Autor:
M. J. Torkamany, Mohsen Sheikhi, Z. Malekshahi Beiranvand, F. Malek Ghaini, H. Naffakh Moosavy
Publikováno v:
Materialia. 7:100417
Prevention of solidification cracking is a major concern in pulsed laser welding of aluminum–magnesium alloys. Laser parameters can affect both Mg evaporation and the solidification rate. In this study the interactive effects of Mg evaporation and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48780dc8e54998692ba09d45872ffbe4
https://doi.org/10.1016/j.mtla.2019.100417
https://doi.org/10.1016/j.mtla.2019.100417
Autor:
E. Vahabzadeh, M. J. Torkamany
Publikováno v:
Journal of Cluster Science. 25:959-968
In this research the synthesis of nanocrystalline iron oxides by laser ablation in pure water has been performed by two different wavelengths (first and second harmonics) of high frequency Nd:YAG laser. The obtained results from the X-ray diffraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfb90fbdf96654303f0a1aa73ebc0104
https://doi.org/10.1007/s10876-013-0676-y
https://doi.org/10.1007/s10876-013-0676-y