Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Massoud Emamy"'
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
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5820-5825 (2024)
Mechanical properties of lean Mg-xLi-1RE-0.5Zn-0.5Zr alloys after hot working by the extrusion process were systematically investigated. By increasing Li content, the coarsening of the dynamic recrystallization (DRX) grain size (D) was recorded. This
Externí odkaz:
https://doaj.org/article/ace2a50feecb42dab452ed3b4c7cb4ae
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
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:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 1315-1327 (2022)
In this study, the tribological properties of Al–15Mg2Si (AC), Al–15Mg2Si–3TiB2–TiAl3 (C31), and Al–15Mg2Si–5TiB2–4TiAl3 (C54) in-situ composites were evaluated. In the as-cast state, the optimal results were obtained for the C31 sample
Externí odkaz:
https://doaj.org/article/dd26eeebfff74d398a97a04242f86a6c
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:
Journal of Ultrafine Grained and Nanostructured Materials, Vol 51, Iss 1, Pp 71-76 (2018)
The effect of chemical composition and the hot rolling operations on the microstructure and mechanical properties of in situ aluminum matrix composite with Mg2Si phase as the reinforcement was studied. It was revealed that the modification by phospho
Externí odkaz:
https://doaj.org/article/6ad55838c62744759611b9d440ae1132
Publikováno v:
Journal of Ultrafine Grained and Nanostructured Materials, Vol 50, Iss 2, Pp 132-136 (2017)
The effects of rare earth addition and hot extrusion process on the grain refinement of magnesium alloy were studied. The as-cast Mg-6Al-1Zn (AZ61) alloy had the average grain size of ~ 64 µm and its microstructure consisted of α-Mg and Mg17Al12 ph
Externí odkaz:
https://doaj.org/article/6c4d3b64404d464880b46febab0d6122
Publikováno v:
Materials Science and Technology. 39:1021-1029
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27bccf12502ec9e1978bd3d3f3fd4e8a
https://doi.org/10.1080/02670836.2022.2156673
https://doi.org/10.1080/02670836.2022.2156673