Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Daniela SPASOVA"'
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 44, Iss 1 (2021)
This paper aims to determine the extent of aging of nitrogen ferrite at temperatures below 100 °C and the structural and strength changes that occur in the process. The tests are carried out on samples of technically pure iron (Armco). The specimens
Externí odkaz:
https://doaj.org/article/82b2f8d122c34415b6affe96db7fb5e6
Publikováno v:
TEM Journal. :36-42
Glass fiber reinforced Polymer matrix composites (PMCs) have a complex set of properties - high specific strength and hardness, good corrosion and chemical resistance, and most of all low relative weight, making them the preferred material over metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e899603b4d166ec006273a645b95c1a3
https://doi.org/10.18421/tem121-05
https://doi.org/10.18421/tem121-05
Publikováno v:
TEM Journal, Vol 10, Iss 4, Pp 1745-1750 (2021)
The composites materials are increasingly displacing the traditional ones and are the most widely used of all groups of engineering materials. Polymer matrix composites have the greatest application and they are used for equipment operating in the se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e741814d19143c4ce6e229352ccd38b7
https://www.temjournal.com/content/104/TEMJournalNovember2021_1745_1750.pdf
https://www.temjournal.com/content/104/TEMJournalNovember2021_1745_1750.pdf
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 44, Iss 1 (2021)
This paper aims to determine the extent of aging of nitrogen ferrite at temperatures below 100 °C and the structural and strength changes that occur in the process. The tests are carried out on samples of technically pure iron (Armco). The specimens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3da157bafc19c7fd3ed029c5e3ad4146
https://doi.org/10.35219/mms.2021.1.04
https://doi.org/10.35219/mms.2021.1.04
The purpose of this article is to investigate the fatigue strength of corrosion resistant ferritic austenitic steels used in marine equipment. Two groups of sheet steel samples were prepared: the first group were reference parts and the second group
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1a3794b558fe14c3da5a30ddbe706a3
This paper is related to the production and investigation of the structure, the mechanical and physicochemical properties of two kinds of fibre reinforced polymer matrix composites in order to assess their suitability as materials used in equipment o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4b1a8c2911d28add2d49f4a95731104
Autor:
Daniela Spasova, Krastin Yordanov
Publikováno v:
Annual Journal of Technical University of Varna, Vol 2, Iss 1 (2018)
This present paper is relevant to the establishment on mathematical model of the heat interaction between the metal matrix (liquid phase- Cu) and a reinforcement (solid- Fe) phase, during the production of the Metal Matrix Composites (MMCs) by the me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdced4a78ff5b169500e45aa3568f419
https://doi.org/10.29114/ajtuv.vol2.iss1.61
https://doi.org/10.29114/ajtuv.vol2.iss1.61
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1037:012037
The article treats the occurrence and development of fatigue cracks in welded samples of ferritic - austenitic steel, which were previously subjected to corrosion. For the purposes of the study, two groups of sheet steel samples were prepared: the fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3bfe84c7f456136f9352fb08a64b04f
https://doi.org/10.1088/1757-899x/1037/1/012037
https://doi.org/10.1088/1757-899x/1037/1/012037
Autor:
Daniela Spasova
Publikováno v:
TEM Journal, Vol 5, Iss 1, Pp 80-84 (2016)
TEM Journal; Vol 5, No 1, 2016. ISSN 2217-8309
The present paper is relevant to the research of possibilities for the production of decorative complex relief metal matrix composites (MMCs) of the “invitro” type, with unformed and unchanging
The present paper is relevant to the research of possibilities for the production of decorative complex relief metal matrix composites (MMCs) of the “invitro” type, with unformed and unchanging
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::438b3cb88d33a548f13636090133b8f5