Zobrazeno 1 - 10
of 357
pro vyhledávání: '"Sintered steel"'
Publikováno v:
Metals, Vol 14, Iss 10, p 1138 (2024)
This paper presents a procedure for determining the elastoplastic parameters of phase-field fracture of sintered material. The material considered was sintered steel Astaloy™ Mo+0.2C of three densities: 6.5, 6.8 and 7.1 g/cm3. The stress–strain c
Externí odkaz:
https://doaj.org/article/f0477af7d84c4b7e84b58e6ecef50399
Publikováno v:
Materials Research Express, Vol 11, Iss 3, p 036502 (2024)
Copper-infiltrated sintered steel is a prominent area of research in powder metallurgy, with a particular focus on enhancing impact toughness. In this study, sintered steels with varying pore structures were prepared using iron powders and infiltrate
Externí odkaz:
https://doaj.org/article/fd2c92a8a1cd4d85bb3191121d10be4d
Publikováno v:
Materials, Vol 16, Iss 21, p 6953 (2023)
The effects of different boron (B) additions from 0 to 0.5 wt.% on the microstructure and properties of Fe-Mo-Cu-Ni-xB-C powder metallurgy (PM) steels were investigated in this work. The results indicated that the ferrite phase quantity decreased and
Externí odkaz:
https://doaj.org/article/db9f884f98024c9ea9d5c6d3ff6ab2e6
Publikováno v:
Materials, Vol 16, Iss 11, p 4174 (2023)
Porosity in sintered materials negatively affects its fatigue properties. In investigating its influence, the application of numerical simulations reduces experimental testing, but they are computationally very expensive. In this work, the applicatio
Externí odkaz:
https://doaj.org/article/578f8b139b324ec08e6fb64c01e96a34
Autor:
Cristina IONICI
Publikováno v:
Fiabilitate şi Durabilitate, Vol 14, Iss 1, Pp 75-78 (2021)
The development of powder metallurgy has been determined by scientific and technical progress that requires products with special properties that cannot be developed by other processes. Powder metallurgy can be successfully included among the class
Externí odkaz:
https://doaj.org/article/e63c6aaae9814af7acc1b1bc16f12af7
Akademický článek
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Autor:
Cristina IONICI
Publikováno v:
Fiabilitate şi Durabilitate, Vol 23, Iss 1, Pp 147-150 (2019)
The results of the analysis concern with the influence of high rate heating and high rate cooling on microstructure formation and strength properties achieved at an electric-contact sintering of two types of alloyed powder steels. The results confi
Externí odkaz:
https://doaj.org/article/53e63ad879eb4714ade0c9dba13bd336
Autor:
Cristina IONICI
Publikováno v:
Fiabilitate şi Durabilitate, Vol 23, Iss 1, Pp 151-154 (2019)
The geometrical structure of sintered steel pores and their distribution is described in terms of fractals. The found correspondence between pore distribution and crack is examined. The fractal dimensions of crack generated from pores model (due to
Externí odkaz:
https://doaj.org/article/d8d6f69ea7d843fe9d5b3feb7364bc90
Akademický článek
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Akademický článek
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