Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Emil Evin"'
Autor:
Miroslav Tomáš, Stanislav Németh, Emil Evin, František Hollý, Vladimír Kundracik, Juliy Martyn Kulya, Marek Buber
Publikováno v:
Lubricants, Vol 12, Iss 6, p 198 (2024)
This article presents the improved properties of GI (hot-dip galvanized) steel plates in combination with a special permanent surface treatment. The substrate used was hot-dip galvanized deep-drawn steel sheets of grade DX56D + Z. Subsequently, vario
Externí odkaz:
https://doaj.org/article/607f3ccf56c94128ad4f82b2979ab439
Publikováno v:
Materials, Vol 17, Iss 1, p 210 (2023)
The body constitutes the largest proportion of the total vehicle weight. Recently, increasing efforts have been made towards reducing its weight and improving its crashworthiness. By reducing its weight, fuel consumption will be reduced, and this wil
Externí odkaz:
https://doaj.org/article/849e3c32ba714bdbb811dcc670f33ccb
Autor:
Emil Evin, Miroslav Tomáš
Publikováno v:
Lubricants, Vol 10, Iss 11, p 297 (2022)
This paper presents the formability results of galvanized Zn-Fe-based interstitial-free (IF) “galvanneal” steel sheets with different degrees of alloying. The Fe content of the Zn-Fe coatings was determined by titration method and the phase compo
Externí odkaz:
https://doaj.org/article/b057a320928a4e4ab25ee6d30da26d39
Autor:
Emil Evin, Miroslav Tomáš
Publikováno v:
Metals, Vol 12, Iss 1, p 54 (2021)
The effect of laser welding on the mechanical properties and the prediction of formability for austenitic stainless steel AISI 304 and ferritic steel AISI 430 when welded by a YLS-5000 fiber laser, were studied in the paper. The microstructure of the
Externí odkaz:
https://doaj.org/article/ff5a6ebe309f454e8623116efc7fe899
Publikováno v:
Applied Sciences, Vol 11, Iss 6, p 2756 (2021)
The friction coefficient in the simulation of stamping processes should be defined. Modern simulation software allows its definition as constant or its dependence on pressure or temperature. It is also useful in stamping processes to define different
Externí odkaz:
https://doaj.org/article/02a4ce9bf808400bbb73a685a9a6a10b
Publikováno v:
Materials, Vol 13, Iss 5, p 1223 (2020)
Exterior car-body parts are made of steel or aluminum sheets. Their formability and appearance after painting depends not only on the mechanical properties but also on their surface texture. The surface roughness characteristics, the roughness averag
Externí odkaz:
https://doaj.org/article/e3513d0fa5ea4d82971ce16bf34b5a7c
Publikováno v:
Metals, Vol 9, Iss 10, p 1058 (2019)
Similitude theory helps engineers and scientists to accurately predict the behaviors of real systems through the application of scaling laws to the experimental results of a scale model related to the real system by similarity conditions. The theory
Externí odkaz:
https://doaj.org/article/c348b62778fd4f08809e326b67bceede
Publikováno v:
Acta Metallurgica Slovaca, Vol 22, Iss 1 (2016)
The paper presents the findings of the strain rate effect, described in constitutive material models by strain rate sensitivity index m, to the strength and deformation material properties. These were evaluated from stress-strain diagrams recorded at
Externí odkaz:
https://doaj.org/article/e266e0c18ed6411fb7928084c114c05b
Publikováno v:
Metals, Vol 8, Iss 4, p 242 (2018)
The decrease of emissions from vehicle operation is connected mainly to the reduction of the car’s body weight. The high strength and good formability of the dual phase steel grades predetermine these to be used in the structural parts of the car
Externí odkaz:
https://doaj.org/article/24fbd90700174aa59f267bde4506b8d1
Publikováno v:
Metals, Vol 8, Iss 4, p 218 (2018)
This paper researches the surface condition and wear on the hole-flanging punch when producing a flanged Ø7 mm hole in a steel strip S355J2 + N (1.0577) with a thickness of 3 mm. The hole was flanged by a punch with a defined geometry known as a tan
Externí odkaz:
https://doaj.org/article/7391a59264d3406d936ac53a2c8a57ce