Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Ali Khorram"'
Publikováno v:
International Journal of Advanced Design and Manufacturing Technology, Vol 11, Iss 2, Pp 57-67 (2018)
In the present research, similar and dissimilar resistance spot welding (RSW) process of St12 and galvanized steel sheets with thickness of 0.9 mm was investigated. The experiments were carried out based on the statistical design of experiments (DOE)
Externí odkaz:
https://doaj.org/article/85842588562d4900a4b940a701c316b2
Publikováno v:
International Journal of Advanced Design and Manufacturing Technology, Vol 9, Iss 4, Pp 7-12 (2016)
This study is focused on investigating the parameters of laser percussion drilling process of nickel-base super alloy Inconel 718 with thickness of 1 mm. Fiber laser with the power of 500 watts was used as the laser source. Laser pulse frequency, dut
Externí odkaz:
https://doaj.org/article/5ed6b98e1c614e7694ab3046340df7c5
Autor:
Morteza Taheri, Seyed Farshid Kashani-Bozorg, Ali Alizadeh, Mohsen Heydari Beni, Jafar Eskandari Jam, Ali Khorram
Publikováno v:
Materials Research Express, Vol 8, Iss 7, p 076507 (2021)
The weldability of GTD-111 superalloy by electron beam welding was studied, and the cracking evolution of solidification and liquation, as well as microstructural characteristics, were also investigated. The weld metal microstructure consisted mainly
Externí odkaz:
https://doaj.org/article/e3b9d941e97847119d674415e75dafdb
Publikováno v:
Materials, Vol 12, Iss 19, p 3136 (2019)
Laser surface transformation hardening (LSTH) of AISI 4130 was investigated by a Nd:YAG pulsed laser. Laser focal height (LFH), pulse width (LPW), scanning speed (LSS), and power (LP) varied during the experiments. The microstructure of the treated z
Externí odkaz:
https://doaj.org/article/b3e9fbd41a06486d814a7214002eed0d
Publikováno v:
In Journal of Petroleum Science and Engineering March 2017 151:330-340
Autor:
Meybodi, Mahdi Kalantari, Daryasafar, Amin, Koochi, Mehran Moradi, Moghadasi, Jamshid, Meybodi, Roohollah Babaei, Ghahfarokhi, Ali Khorram
Publikováno v:
In Journal of the Taiwan Institute of Chemical Engineers January 2016 58:19-27
Autor:
Moslem Paidar, Olatunji Oladimeji Ojo, I Pustokhina, Arash Rasoulpouraghdam, Ali Khorram, R. Vaira Vignesh
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 6037-6047 (2020)
Modified friction stir clinching (MFSC) process was employed to joint dissimilar AA2024-T3 and AA6061-T6 Al sheets by interchanging the upper and the lower sheets during the joining process. The material flow, microstructure, tensile strength and fra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5788a2e60ad44b9c56b13c8188c226f9
https://doi.org/10.1016/j.jmrt.2020.04.007
https://doi.org/10.1016/j.jmrt.2020.04.007
Autor:
Fatemeh Tamaddon, Ali Khorram
Publikováno v:
Synlett. 31:691-694
This work describes an improved environmentally friendly method for the synthesis of tetrahydrodipyrazolopyridines (THDPPs) in water through a catalyst-free pseudo-six-component reaction of alkyl acetoacetates, hydrazine hydrate, and ammonium carbona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c47fd6ee5c7539e3844a7c228c19bc04
https://doi.org/10.1055/s-0039-1691600
https://doi.org/10.1055/s-0039-1691600
Publikováno v:
Silicon. 12:2977-2987
Magnetic stirring is considered to be the most useful stirring method in semi-solid casting processes which doesn’t have the restrictions of the mechanical stirring. In this research, fracture mechanisms of aluminum-Al2O3 nanocomposites produced by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26d59035515b7f33a7bbfe0f45543fd6
https://doi.org/10.1007/s12633-020-00390-9
https://doi.org/10.1007/s12633-020-00390-9
Autor:
Ali Khorram
Publikováno v:
Laser Physics. 33:046101
In this research, Amdry 997 powder was applied by a laser cladding process to the IN713 Low Carbon (IN713 LC) nickel-based superalloy. To evaluate the microstructural behaviors of the clad zones, different variables (the laser speed, laser frequency,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dbb4f8a80b94328ccea3afc3ade81dc
https://doi.org/10.1088/1555-6611/acbb79
https://doi.org/10.1088/1555-6611/acbb79