Zobrazeno 1 - 10
of 186
pro vyhledávání: '"Mahmoud Nili"'
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 1887-1900 (2024)
The influence of thermo-mechanical processing on the microstructure and functional properties of a Fe–17Mn–5Si–10Cr–4Ni-1(V–C) (wt%) shape memory alloy was systematically investigated. The as-received material was subjected to 25 % cold rol
Externí odkaz:
https://doaj.org/article/cb525a67418c4fbf8a46180e9c04c994
Autor:
Yasamin Khebreh Farshchi, Farzad Khodabakhshi, Maryam Mohri, Hassan Shirazi, Mahmoud Nili-Ahmadabadi
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 490-499 (2024)
The main object of the present study is focused on the systematic processing heat-input design based on directed energy deposition (DED) methodology, enrolling carbon steel phase transformation to control the mechanical properties. Three different 4-
Externí odkaz:
https://doaj.org/article/5e83a506609a4a30a80997e5457e695b
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 8508-8521 (2023)
The WE43 magnesium alloy, in case of improved toughness, can be an appealing material for biomedical applications. The effects of equal-channel angular pressing (ECAP) and post-deformation aging (PDA) on the mechanical behavior of the WE43 alloy were
Externí odkaz:
https://doaj.org/article/6af2d34e55974f22bc2e01d647a53197
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 1-15 (2023)
Fe–Ni–Mn alloys, are ultra-high-strength steels, with suitable ductility and age-hardenability in the solution annealed (SA) condition. However, they suffer from grain boundary embrittlement after aging at ∼480OC, when Mn content goes beyond a
Externí odkaz:
https://doaj.org/article/0f7829c743714c52b0d9309b08ef32ee
Autor:
Hesamodin Khodaverdi, Maryam Mohri, Elyas Ghafoori, Amir Sabet Ghorabaei, Mahmoud Nili-Ahmadabadi
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 2999-3013 (2022)
The aim of this work is to provide a novel understanding of pseudoelasticity mechanisms in an FeMnSi-based shape memory alloy and to utilize the identified parameters to control and enhance the mechanical behavior of the alloy. The alloy was processe
Externí odkaz:
https://doaj.org/article/61f37b01091b4feea9d01c8159748cf0
Autor:
Sadjad Baradari, Natalia Resnina, Sergey Belyaev, Egor Prokofiev, Ruslan Z. Valiev, Mahmoud Nili-Ahmadabadi
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2215-2224 (2022)
A newly developed quaternary Ni44.8Cu5Ti45.2Hf5 shape memory alloy (SMA) was processed by high-pressure torsion (HPT) for five turns under a pressure of 6 GPa at room temperature and then subjected to post deformation annealing (PDA) at 450 °C for 1
Externí odkaz:
https://doaj.org/article/52adf4ba4b7a460c82f161982078e504
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Glass-forming ability (GFA) of bulk metallic glasses (BMGs) is a determinant parameter which has been significantly studied. GFA improvements could be achieved through trial-and-error experiments, as a tedious work, or by using developed pre
Externí odkaz:
https://doaj.org/article/0ba4268a72824186885661ef3736b2a0
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 147-158 (2022)
The present investigation is conducted to successfully deform pure Mg by equal-channel angular pressing (ECAP: channel angle 90°, corner angle 20°) using core-sheath configuration at room temperature. The microstructure of the sample after 4 passes
Externí odkaz:
https://doaj.org/article/a96000338f1d45e391d6882e33f3674b
Autor:
Hamidreza Koohdar, Mahmoud Nili-Ahmadabadi, Faezeh Javadzadeh Kalahroudi, Hamid Reza Jafarian, Terence G. Langdon
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 1537-1546 (2021)
Research was conducted to investigate the effects of high-pressure torsion (HPT) and post-deformation annealing (PDA) on the microstructure evolution and mechanical behavior of an Fe-9.6Ni-7.1Mn (at.%) steel with an initial lath martensitic microstru
Externí odkaz:
https://doaj.org/article/bc41172630e44677866dbf7976e077ff
Publikováno v:
Materials & Design, Vol 188, Iss , Pp - (2020)
In this research, a NiTi/NiTiCu bi-layer composite consist of austenitic and martensitic layers was made by the diffusion bonding method, to make a diaphragm to show two-way shape memory actuation. The initial phase of the single sheets and the quali
Externí odkaz:
https://doaj.org/article/cb0baf0474aa4d5897b0d6ddab665852