Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Valeri Ivanov"'
Publikováno v:
Materials, Vol 16, Iss 1, p 169 (2022)
Two 4,4′-(hexafluoroisopropylidene)diphthalic anhydride-based thermosetting polyimide formulations with varied amounts of crosslinking sites were compared to understand the influence of crosslinking density on fracture toughness, glass transition t
Externí odkaz:
https://doaj.org/article/057deb56f6a5455f9eb5d3aa122f3f28
Autor:
Valeri Ivanov, Ilian Sotirov
Publikováno v:
Journal of Defense Resources Management, Vol 9, Iss 1, Pp 34-44 (2018)
The purpose of the article is to elaborate on the existing theory and practice about Defense Capabilities of the Republic of Bulgaria. Furthermore, by applying the systematic approach, it tries to propose a new method for building the National Defens
Externí odkaz:
https://doaj.org/article/b810a15d687d44aa8721180b8a6dfd6e
Autor:
Georgi DIMOV, Valeri IVANOV
Publikováno v:
Journal of Defense Resources Management, Vol 6, Iss 1, Pp 55-60 (2015)
This article presents the authors’ views on the specific impact of geopolitical and geostrategic factors, conditions and tendencies of the contemporary security environment. Moreover, it examines how geopolitical concepts and geo-strategic actions
Externí odkaz:
https://doaj.org/article/441ba7034b6a4aa48c3a517f989f7055
Publikováno v:
Metals, Vol 9, Iss 2, p 199 (2019)
Duplex stainless steel, 71 wt.% austenite, 13 wt.% ferrite and 16 wt.% sigma, was made upon heat treating of fully ferritic as-built selective laser melted (SLM) 2507 stainless steel at 1200 °C. Formation of sigma phase in the heat treated SLM 2507
Externí odkaz:
https://doaj.org/article/2ff85e0f1938467d873a745b0523f3e2
Publikováno v:
In Tomography of Materials and Structures June 2024 5
Publikováno v:
In Composites Part A June 2024 181
Akademický článek
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Autor:
Petkov, Valeri Ivanov1 (AUTHOR), Pelcastre, Leonardo1 (AUTHOR), Solano, Carlos2 (AUTHOR), Fernberg, Patrik1 (AUTHOR) patrik.fernberg@ltu.se
Publikováno v:
Materials (1996-1944). Jan2023, Vol. 16 Issue 1, p169. 11p.
Autor:
Petkov, Valeri Ivanov1 (AUTHOR), Joffe, Roberts1 (AUTHOR), Fernberg, Patrik1 (AUTHOR) patrik.fernberg@ltu.se
Publikováno v:
Polymer Composites. May2022, Vol. 43 Issue 5, p2615-2627. 13p.
Publikováno v:
Polymer Composites. 43:2615-2627