Zobrazeno 1 - 10
of 284
pro vyhledávání: '"S.M. Fatemi"'
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 9370-9379 (2023)
The deformation characteristics of as-extruded pure zinc were studied over a wide deformation temperature range from −40 °C to 300 °C. Two-cycle dynamic recrystallization was recognized for the first time to occur at different temperatures, leadi
Externí odkaz:
https://doaj.org/article/77c05d279723478688d1026049fcf01c
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 1983-1998 (2023)
In this study, the effect of Mn addition on microstructural evolution, mechanical properties, and biocorrosion behaviors of as-extruded Zn-0.2 Mg alloy as candidates for degradable biomaterials were investigated. The microstructural observations indi
Externí odkaz:
https://doaj.org/article/1f7e871f3a174597899ba00124bdf23a
Publikováno v:
Journal of Magnesium and Alloys, Vol 10, Iss 12, Pp 3470-3484 (2022)
Deformation behavior as well as microstructural evolutions of a rolled AZ31 magnesium alloy with and without pre-existing extension twins were studied using compression tests which performed along different orientations at a temperature range of 25
Externí odkaz:
https://doaj.org/article/0fb3ebff2e894bb1b0bc9ef35b80646b
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 4969-4985 (2022)
In this study, deformation behavior of a Zn alloy containing 0.2 wt. % magnesium was studied using compression tests. The compressive deformation was applied up to 1.6 true strain at a wide temperature range of −40 to 300 °C under strain rates of
Externí odkaz:
https://doaj.org/article/b3abe6b66a724ca38ccbcbd4b99188b4
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 2368-2383 (2022)
Shear punch deformation was employed to study the shear deformation behavior as well as microstructural evolution of a Mg–Y-Nd-Zr alloy at a wide temperature range of 25–500 °C under different strain rates. The results showed that metastable β
Externí odkaz:
https://doaj.org/article/a91acedb7aa74f3cb6544897c9717784
Publikováno v:
Results in Physics, Vol 8, Iss , Pp 939-948 (2018)
The use of TDR system to detect leakage locations in underground pipes has been developed in recent years. In this system, a bi-wire is installed in parallel with the underground pipes and is considered as a TDR sensor. This approach greatly covers t
Externí odkaz:
https://doaj.org/article/58f0495ec2194de59bc5b9567f9f9853
Autor:
S.M. Fatemi, Abbas Zarei-Hanzaki
Publikováno v:
Journal of Ultrafine Grained and Nanostructured Materials, Vol 48, Iss 1, Pp 11-16 (2015)
The evolution of texture was discussed during the formation of ultra-fine and nano grains in a magnesium alloy severely deformed through accumulative back extrusion (ABE). The microstructure and texture obtained after applying multiple deformation pa
Externí odkaz:
https://doaj.org/article/6100024938f3404fa0749318c1bd7347
Publikováno v:
Journal of Ultrafine Grained and Nanostructured Materials, Vol 46, Iss 1, Pp 25-29 (2013)
The study of nucleation mechanism of new grains during severe plastic deformation of magnesium alloys is of great importance to control the characteristics of final microstructures. To investigate the role of discontinuous recrystallization, a wrough
Externí odkaz:
https://doaj.org/article/1c11e5db0e4b407eab6d229d55c94435
Publikováno v:
Fanāvarī-i āmūzish, Vol 5, Iss 3, Pp 133-143 (2011)
Theoretical trainings, especially in the fields of art & architecture in graduate programs, have lead to basic theories of experts in different branches of these disciplines that are often instructed in a linear and unidirectional knowledge order in
Externí odkaz:
https://doaj.org/article/19297d42acdf4405ba8c9e5d8d6109df
Autor:
A. Azaron, S.M. Fatemi Ghomi
Publikováno v:
International Journal of Industrial Engineering and Production Research, Vol 18, Iss 3, Pp 1-5 (2007)
Abstract : In this paper , we apply the stochastic dynamic programming to approximate the mean project completion time in dynamic Markov PERT networks. It is assumed that the activity durations are independent random variables with exponential distri
Externí odkaz:
https://doaj.org/article/061ed23cc5fe4a18b501f501cdd90b9c