Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Bahman Mirzakhani"'
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
Foldover is a common, yet complex, transient boundary condition in several ‘metal forming processes’ including the barrelling compression test (BCT). The onset of foldover during BCT is comparable to that of necking in the tensile test. However,
Externí odkaz:
https://doaj.org/article/bb38f623e0514c9d97895e6964a60a20
Autor:
Mitra Ghannadi, Hediye Hosseini, Bagher Mohammad Sadeghi, Bahman Mirzakhani, Mohammad Tahaaha Honaramooz
Publikováno v:
Iranian Journal of Materials Science and Engineering, Vol 18, Iss 3, Pp 1-9 (2021)
The objective of the present paper is to investigate the effects of rapid heating and cryogenic cooling on on the microstructure and tensile properties of Al-Cu-Mg. The specimens were subjected to three heat treatment cycles in which the Infrared hea
Externí odkaz:
https://doaj.org/article/596a58a54e164bd2aae64d9d5eb815a0
Publikováno v:
Journal of Alloys and Compounds. 891:162046
In this work, the influence of different heat treatments on the martensitic transformation and precipitation in polycrystalline Cu13%Al4%Ni shape memory alloys have been investigated. A CuAlNi strip were subjected to different heat treatments in orde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da0c3adab5f9690a222742b93525021b
https://doi.org/10.1016/j.jallcom.2021.162046
https://doi.org/10.1016/j.jallcom.2021.162046
Publikováno v:
Applied Soft Computing. 52:471-477
Comparison between measured and predicted stress in various temperatures, grain sizes and strain rates.Display Omitted Hot torsion test was performed to study hot flow behavior of API-X70 steel.Genetic algorithm was used for the first time to model s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bcc36208cddf03dab337f0fcce81486
https://doi.org/10.1016/j.asoc.2016.10.021
https://doi.org/10.1016/j.asoc.2016.10.021
Publikováno v:
International Journal of Pressure Vessels and Piping. 189:104261
Flow behavior of a metal during hot deformation is influenced by physical phenomena such as work hardening, dynamic recovery and dynamic recrystallization. Effects of these phenomena on flow stress can be expressed through various semi-empirical mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8220dc52eff0b0f4603344098eac362f
https://doi.org/10.1016/j.ijpvp.2020.104261
https://doi.org/10.1016/j.ijpvp.2020.104261
Publikováno v:
International Journal of Manufacturing Technology and Management. 34:282
The objective of the present study is to investigate the static restoration of CMn(V-Nb-Ti) pipeline steel utilising comparative study of the stress relaxation and micro-alloying precipitates behaviour. The hot compression tests in temperature range
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7486506c2935691ab8294ea12071936
https://doi.org/10.1504/ijmtm.2020.107308
https://doi.org/10.1504/ijmtm.2020.107308
Autor:
Yousef Payandeh, Bahman Mirzakhani
Publikováno v:
Materials & Design. 68:127-133
Sever plastic deformation processing has been frequently used to refine grain size and to improve properties in metals and alloys. The impact of combination of equal channel angular pressing (ECAP) and precipitation hardening on mechanical properties
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3a4e409f682de212e6146f52c241fe5
https://doi.org/10.1016/j.matdes.2014.12.011
https://doi.org/10.1016/j.matdes.2014.12.011
Publikováno v:
Transactions of Nonferrous Metals Society of China. 22:2072-2079
The influence of combination of different designated precipitation hardening and cold working on the tensile properties of 6061 aluminum alloy was investigated. The results indicate that applying single aging at 180°C for 4 h in different thermal-me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4baa7b7573d378e58c546d603bd7af9c
https://doi.org/10.1016/s1003-6326(11)61430-1
https://doi.org/10.1016/s1003-6326(11)61430-1
Publikováno v:
Applied Mechanics and Materials. :337-342
Various designated precipitation hardening and cold working have been employed to improve mechanical properties of aluminum–magnesium–silicon alloys. The aim of this study is to study how both high strength and excellent ductility could be achiev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f74d494dd93fc362e95c38c7741748f
https://doi.org/10.4028/www.scientific.net/amm.110-116.337
https://doi.org/10.4028/www.scientific.net/amm.110-116.337
Autor:
Bahman Mirzakhani
Publikováno v:
Advanced Materials Research. :60-65
The flow behaviour of material is strongly influenced by the microstructure evolution during hot deformation processes. In this work, a comprehensive mathematical modelling of heat transfer and plastic deformation was carried out employing finite ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9626592b1334973a498e3f2fca7ddd6
https://doi.org/10.4028/www.scientific.net/amr.264-265.60
https://doi.org/10.4028/www.scientific.net/amr.264-265.60