Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Mehdi Malekan"'
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6829-6835 (2024)
The effect of yttrium addition on the grain refinement, formation of long period stacking ordered (LPSO) structures, and improved hardness in hot extruded Mg99.5-xNi0.5Yx (x = 0, 0.5, and 1 at%) alloys was investigated. It was revealed that with incr
Externí odkaz:
https://doaj.org/article/bff6fdc57549479a932fdd6ac6644ec7
Autor:
Parastoo Mahmoud Kalayeh, Amir Hossein Asadi, Hamed Mirzadeh, Mehdi Malekan, Massoud Emamy, Reza Mahmudi
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 744-751 (2024)
The effect of yttrium addition on the evolution of phases, grain refinement, and mechanical behavior of Mg-0.5Ni cast alloy was investigated. It was observed that while the base alloy contained a eutectic structure containing α-Mg and Mg2Ni, in the
Externí odkaz:
https://doaj.org/article/e58f8c429ded4b3f8cdcf43702721e10
Autor:
Mojtaba Fatehi Mollayousef, Ahmad Bahmani, Mehdi Malekan, Mehrab Lotfpour, Rouhollah Mehdinavaz Aghdam, Fatemeh Asl Zaeem, Soraya Bornay Zonoozi, Arash Montazeri
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1121-1136 (2024)
The influences of the grain size on the biocompatibility and biodegradation behavior of an extruded and post-annealed pure Mg were investigated. The immersion test, electrochemical analysis, and surface characterization were carried out to study the
Externí odkaz:
https://doaj.org/article/8ed477afd15b427db5051193f74c28b0
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 9513-9522 (2023)
Microstructures, mechanical properties by tensile deformation, and precipitation kinetics during elevated-temperature homogenization/aging heat treatment of Mg95.5Y3Zn1.5 and Mg95.5Y3Ni1.5 (at.%) magnesium alloys were systematically compared in the p
Externí odkaz:
https://doaj.org/article/f90cc47048a94d9fb6ec4f64daca7997
Autor:
Mohammad Saleh Geshani, Parastoo Mahmoud Kalayeh, Amir Hossein Asadi, Hamed Mirzadeh, Mehdi Malekan, Massoud Emamy
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 4945-4966 (2023)
Owing to their excellent mechanical/functional properties, the lightweight magnesium alloys containing long-period stacking ordered (LPSO) structures have recently received a great deal of attention. In the present overview article, the atomic struct
Externí odkaz:
https://doaj.org/article/ef6cae0873994b278dfc1f276877ed25
Publikováno v:
مواد نوین, Vol 14, Iss 51, Pp 58-69 (2023)
Abstract Introduction: Due to the outstanding high-temperature mechanical properties, precipitation-hardening nickel-based superalloys are capable of working in high-temperature conditions in the harsh environment. One of the applications of these al
Externí odkaz:
https://doaj.org/article/aabffe60b2774507a85f083e7d0dbabf
Autor:
Hanieh Yeganeh, Ahmad Bahmani, Mehrab Lotfpour, Mehdi Malekan, Masoud Emamy, Behzad Nayebi, Kwang Seon Shin
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 4, Pp 1276-1291 (2023)
The effects of Ca addition on the microstructure and oxidation properties of a new Mg alloy were studied. The oxidation behavior of the alloys was analyzed by thermal analysis and material characterization of the alloys exposed in flame environment;
Externí odkaz:
https://doaj.org/article/2e379738c33141f3a1d0faf1c2607cdd
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
Autor:
Mehrab Lotfpour, Changiz Dehghanian, Massoud Emamy, Ahmad Bahmani, Mehdi Malekan, Ahmad Saadati, Milad Taghizadeh, Mohammadreza Shokouhimehr
Publikováno v:
Journal of Magnesium and Alloys, Vol 9, Iss 6, Pp 2078-2096 (2021)
In the present study, a new biodegradable Mg-Zn-Cu magnesium alloy was introduced for biological applications. The microstructural analysis showed the formation of MgZnCu intermetallics for the Mg-2Zn-0.1Cu alloy and also the Mg(Zn,Cu)2 compounds for
Externí odkaz:
https://doaj.org/article/90c06738474b4325b75df6f3937e14f3
Publikováno v:
Materials Science and Technology. 39:1021-1029