Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Štěpán Jeníček"'
Publikováno v:
Materials, Vol 16, Iss 12, p 4340 (2023)
Medium manganese steels fall into the category of modern third-generation high-strength steels. Thanks to their alloying, they use a number of strengthening mechanisms, such as the TRIP and TWIP effects, to achieve their mechanical properties. The ex
Externí odkaz:
https://doaj.org/article/7c574e733af34b5e955609891cfb341e
Publikováno v:
Metals, Vol 13, Iss 5, p 975 (2023)
Precipitation strengthening in titanium-stabilized austenitic stainless steels can improve the hot yield strength, as requested, e.g., for nuclear industry applications. The resulting properties depend mainly on the parameters of the heat treatment a
Externí odkaz:
https://doaj.org/article/487b5c7d80cd4552b0e952fa30910917
Publikováno v:
Materials, Vol 16, Iss 1, p 442 (2023)
Press-hardening, also known as hot stamping, is a manufacturing process for producing car body parts that must meet the high demands of their mechanical properties and safety parameters. Moreover, these components often require different mechanical p
Externí odkaz:
https://doaj.org/article/5087296d998941c9b09a1bddcbc3b7e9
Publikováno v:
Metals, Vol 12, Iss 11, p 1869 (2022)
Ledeburitic tool steel X210Cr12 was processed by passing through a semi-solid state with subsequent forming on a hydraulic press, thus achieving a fine-grained martensitic matrix, uniformly dispersed fine precipitates, and removal of sharp-edged prim
Externí odkaz:
https://doaj.org/article/365d8bc6357a4d18944c4e091332e79e
Publikováno v:
Acta Metallurgica Slovaca, Vol 25, Iss 2 (2019)
Development of high strength or even ultra-high strength steels is mainly driven by the automotive industry which strives to reduce the weight of individual parts, fuel consumption, and CO2 emissions. Another important factor is to improve passenger
Externí odkaz:
https://doaj.org/article/38204f5a7f9f43b0ad6bc56f158f7d0c
Publikováno v:
Materials, Vol 14, Iss 9, p 2105 (2021)
Joining additively manufactured (AM) complex shaped parts to larger conventionally produced parts can lead to innovative product designs. Another alternative is direct deposition on a conventional semi-product. Therefore, similar joints of maraging t
Externí odkaz:
https://doaj.org/article/81b0f75efe0c426d9e0d5c330350ebad
Autor:
Kateřina Rubešová, Martin Rund, Sylwia Rzepa, Hana Jirková, Štěpán Jeníček, Miroslav Urbánek, Ludmila Kučerová, Pavel Konopík
Publikováno v:
Metals, Vol 11, Iss 3, p 484 (2021)
Sheet metal forming boundaries are established using the forming limit diagram (FLD). The Nakajima and Marciniak tests, which are based on stretching a material using a punch, are the most commonly used methods for determining the FLD or fracture for
Externí odkaz:
https://doaj.org/article/5a1c49c2c38c42b1b519ab1da1c44dbf
Publikováno v:
Acta Metallurgica Slovaca, Vol 24, Iss 2 (2018)
The requirements placed on closed-die-forged parts of advanced steels have been increasing recently. Such forgings demand an innovative approach to both design and heat treatment. It is important to obtain high strength and sufficient ductility in cl
Externí odkaz:
https://doaj.org/article/de2a476b3431410f9b2f2f2c498dca55
Publikováno v:
Acta Metallurgica Slovaca, Vol 24, Iss 1 (2018)
One of today’s advanced heat treatment routes for high-strength steels is the Q&P process which delivers high ultimate strengths combined with good ductility. The resulting microstructure is a combination of martensite and small fractions of bainit
Externí odkaz:
https://doaj.org/article/0d0be68c539c40c0adcc3720c38b372d
Publikováno v:
Materials; Volume 16; Issue 12; Pages: 4340
Medium manganese steels fall into the category of modern third-generation high-strength steels. Thanks to their alloying, they use a number of strengthening mechanisms, such as the TRIP and TWIP effects, to achieve their mechanical properties. The ex