Zobrazeno 1 - 9
of 9
pro vyhledávání: '"A. N. Chichin"'
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 74-84 (2019)
The influence of the heating rate of a typical case hardening steel 15KHGN2TA and 25KHGT on the growth of austenitic grain during long-term isothermal exposures at the high-temperature chemical-heat treatment was studied. It is shown that the change
Externí odkaz:
https://doaj.org/article/29fc28cf8405474abce3e69be6b2a586
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 2, Pp 58-64 (2017)
Results of metallographical observations of structural constituent of carburized cases and a core of gears after thermochemical treatment on a vacuum line «ModulTherm 7/1» made by corporation «ALD Vacuum Technologies GmbH» are given. It was estab
Externí odkaz:
https://doaj.org/article/3af7aeec0d174c0fbfd406a29e141b7f
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 87-93 (2016)
Results of studies of the kinetics of changes in actual grains during technological process at different stages of the manufacture of parts with the use of a universal metallographic etchant to identify borders of valid grains in rolling and stamping
Externí odkaz:
https://doaj.org/article/e20edfb428b6477facaf5f47fb43431c
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 2, Pp 104-109 (2016)
Results of research of influence of high-temperature vacuum chemical heat treatment on the amount of grain structural steels are presented. The efficiency of hereditary fine-grained steel for high temperature vacuum carburizing are shown.
Externí odkaz:
https://doaj.org/article/4259ebeeacdd44f5a048ed20ae6564eb
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 2, Pp 86-90 (2014)
It is established that structural characteristics of the parts produced of industrial steel melting correspond to the requirements rendered to quality of the cemented layer and core of high-intense gear wheels according to the results of spectral, me
Externí odkaz:
https://doaj.org/article/676d93122442475388b2cf047ec26202
Publikováno v:
Механика машин, механизмов и материалов, Iss 1(50), Pp 45-54 (2020)
An analysis of the existing information on the structural state of grain boundaries in metals and the effect of impurities on grain growth during high-temperature heating is carried out. It is established that the heating rate in the interval of phas
Externí odkaz:
https://doaj.org/article/99f24e1c74554cc79629ffd949896cdd
Publikováno v:
Механика машин, механизмов и материалов, Iss 3(48), Pp 58-68 (2019)
The influence of the heating rate of typical cemented steels 15KhGN2TA and 25KhGT on the growth of austenitic grain at long isothermal exposures in the process of high-temperature chemical-thermal treatment is studied. It is shown that the change in
Externí odkaz:
https://doaj.org/article/15d148a96aad40508c960dbab9be4217
Publikováno v:
Steel in Translation. 50:128-133
Study results of the effect of high-temperature vacuum chemical-thermal treatment on the grain size of structural steels possessing various chemical compositions are given. It is determined that a sufficiently large grain is formed in the 20KhN3A, 25
Publikováno v:
Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series. 63:399-406
The influence of the heating mode of samples of constructional cemented steels 20ХН3А, 20ХГНР and 15ХГН2ТА on the value of austenite grain after high-temperature isothermal aging at 1000 °С is studied. It is shown that the heating of st