Zobrazeno 1 - 10
of 211
pro vyhledávání: '"B. Smetana"'
Autor:
K. Gryc, M. Strouhalová, B. Smetana, M. Kawuloková, S. Zlá, L. Socha, K. Michalek, M. Tkadlečková, A. Kalup, P. Jonsta, M. Sušovský
Publikováno v:
Metalurgija, Vol 56, Iss 3-4, Pp 385-388 (2017)
The first part of presented paper is devoted to comparison of solidus and liquidus temperatures determined by two methods of thermal analysis for one real steel grade 100CrMo7. Two modern devices for high-temperature analysis were used. The direct th
Externí odkaz:
https://doaj.org/article/b1bdc6e225744c559c4f67917ecff849
Publikováno v:
Metalurgija, Vol 55, Iss 3, Pp 345-348 (2016)
Three real grades of nickel super-alloys (IN 713LC, IN 738LC and IN 792-5A) were investigated and values of temperatures of phase transformations and latent heats of melting were obtained. All investigated quantities are very important for thermodyna
Externí odkaz:
https://doaj.org/article/fdbe84980006405da455031d7b8a2c90
Publikováno v:
Metalurgija, Vol 55, Iss 3, Pp 297-300 (2016)
The paper analyzes the technological parameters, micro-purity and mechanical properties of castings of steel alloyed with calcium. The effect of calcium on the steel was analyzed on samples taken in the process of casting heavy castings and ingots of
Externí odkaz:
https://doaj.org/article/7be13a07cfbd4de8818e7a4ff4f4e6fe
Publikováno v:
Metalurgija, Vol 54, Iss 4, Pp 639-642 (2015)
In this work the differential thermal analysis (DTA) was selected for the study of 718Plus super-alloy. Particular attention was paid to determination of the phase transformation temperatures (liquidus, γ´ precipitation temperature, etc.). Almost a
Externí odkaz:
https://doaj.org/article/55bd18b52aad4775910d1202e0804c53
Autor:
K. Gryc, B. Smetana, M. Tkadlečková, M. Žaludová, K. Michalek, L. Socha, J. Dobrovská, K. Janiszewski, P. Machovčák
Publikováno v:
Metalurgija, Vol 53, Iss 3, Pp 295-298 (2014)
The paper is devoted to the comparison of the results in the frame of solidus and liquidus temperatures obtained by thermo analytical methods with the generally used empirically based formulas and thermo dynamical Computherm software. The series of t
Externí odkaz:
https://doaj.org/article/6f13459354084c138b236828f921a9c9
Publikováno v:
Metalurgija, Vol 53, Iss 3, Pp 379-382 (2014)
The subject of this work is the comparison of numerically obtained values of dynamic viscosity using different types of mathematical models and experimentally measured data of viscosity of oxide systems. The ternary system of SiO2-CaO-Al2O3, which pr
Externí odkaz:
https://doaj.org/article/d17abfa5df7349a7b91c4d356e89bf17
Autor:
K. Gryc, B. Smetana, M. Žaludová, K. Michalek, M. Tkadlečková, J. Dobrovská, L. Socha, L. Válek, R. Pachlopnik
Publikováno v:
Metalurgija, Vol 52, Iss 4, Pp 445-448 (2013)
The series of thermal analysis measurements of high temperature phase transformations of real grain oriented electrical steel grade under conditions of two analytical devices (Netzsch STA 449 F3 Jupiter; Setaram SETSYS 18TM) were carried out. Two the
Externí odkaz:
https://doaj.org/article/34eaba6e4f4743ebb8fe5383cf651307
Publikováno v:
Metalurgija, Vol 52, Iss 4, Pp 525-528 (2013)
Various physical methods for the determination of phase transformation temperatures were compared using C-Mn and C-Mn-V-Nb steels. The measurement using temperature scanner, variously located thermocouples, dilatometer, different thermal analysis (DT
Externí odkaz:
https://doaj.org/article/ef16a434aefe41b5a9139a856e4512e4
Publikováno v:
Metalurgija, Vol 51, Iss 1, Pp 83-86 (2012)
The presented paper deals with study of phase transformations temperatures of nickel based superalloy IN 792-5A with application of DTA – method and use of experimental laboratory system for simultaneous thermal analysis SETARAM Setsys 18TM. Sample
Externí odkaz:
https://doaj.org/article/d758d807c87c405da718536aadf7761a
Publikováno v:
Metalurgija, Vol 51, Iss 1, Pp 121-124 (2012)
Paper deals with investigation of phase transitions temperatures for selected real grades of micro-alloyed steels. Temperatures of characteristic phase transitions were obtained using Setaram SETSYS 18TM. The DTA technique was selected for the study
Externí odkaz:
https://doaj.org/article/af77555594304ace91274c809907f182