Zobrazeno 1 - 10
of 49
pro vyhledávání: '"V. S. Postnikov"'
Publikováno v:
Metal Science and Heat Treatment. 33:856-859
The structure and properties of the surface layers of laser-treated and laser-alloyed ZhGrO.5D3KO.3 P/M alloy were investigated. The influence of laser treatment and alloying on the wear resistance, hardness, and porosity of the surface layer was eva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d872d508f9a2ec03500177730f0cc658
https://doi.org/10.1007/bf00811069
https://doi.org/10.1007/bf00811069
Autor:
V. S. Postnikov, L. V. Chausova
Publikováno v:
Metal Science and Heat Treatment. 33:174-178
1. The formation of the structure of melted coating of self-fluxing alloys is greatly affected by the heating temperature and by the cooling rate of the molten pool. 2. Laser melting of nickel base self-fluxing coatings is accompanied by the formatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f54cfe30777d91044096b52d457c1cc1
https://doi.org/10.1007/bf00769336
https://doi.org/10.1007/bf00769336
Publikováno v:
Metal Science and Heat Treatment. 32:576-579
1. As a result of pulsed action of laser radiation on the surface of steel covered with a boron-containing covering, processes of formation of highly disperse boride phases occur in the fusion zone and cause a substantial increase of hardness of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dafe34701cfda4aefa684d30d0595eb
https://doi.org/10.1007/bf00700708
https://doi.org/10.1007/bf00700708
Autor:
V. S. Postnikov, S. A. Belova
Publikováno v:
Metal Science and Heat Treatment. 40:219-221
Modern tendencies in the development of engineering require stable parameters of the surface layers in the operation of parts under high temperatures. Results of a study of the processes that occur in heat treatment of reinforced layers on steel 38Kh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c214c18e5759aa1c1655a1a014003aa
https://doi.org/10.1007/bf02467540
https://doi.org/10.1007/bf02467540
Publikováno v:
Metal Science and Heat Treatment. 37:492-494
Investigation of the processes of structure formation in laser alloying of steels and alloys is important. Surface strengthening of low- and intermediate-alloy steels by laser alloying with the use of multi-component paste coatings is of special inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30963db9b81a380b046711e8b5bd757b
https://doi.org/10.1007/bf01157071
https://doi.org/10.1007/bf01157071
Autor:
V. S. Postnikov, M. N. Tagirov
Publikováno v:
Metal Science and Heat Treatment. 36:22-24
The low wear resistance of titanium and its alloys limits their use in machine building. Methods for the surface hardening of titanium and its alloys, which tend to enhance their antifriction properties. are of significant interest in this respect. L
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a8d181ec1b96402f7d2e4fce20230ad
https://doi.org/10.1007/bf01408597
https://doi.org/10.1007/bf01408597
Autor:
V. S. Postnikov
Publikováno v:
SPIE Proceedings.
It has been shown with the help of x-ray researches that the electronic structure of structural components formed in a surface layer of steel during laser alloying differs form that of similar structural components formed in equilibrium conditions. S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::752157cd50c5ec91652b3c3b2a917fcd
https://doi.org/10.1117/12.337521
https://doi.org/10.1117/12.337521
Publikováno v:
SPIE Proceedings.
In work the features offormation of structure and properties of superficial layers are investigated during laser alloying of asurface of low-, middle- and high-carbon steels with the help of the powder composition, consisting from chromium andcarbide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf4afc2a8fa1af79c09bc7f883219bf8
https://doi.org/10.1117/12.337522
https://doi.org/10.1117/12.337522
Autor:
V. S. Postnikov, M. N. Tagirov
Publikováno v:
SPIE Proceedings.
The peculiarities of structure surface layer forming of Ti-alloy by laser alloying by B, C and Cr are presented in this work. The surface layer by the laser alloying consists of great quantity of small particles of borides, carbides and intermetallid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27a7ef2b03c3cad87bffe2be6f6f2bc0
https://doi.org/10.1117/12.234217
https://doi.org/10.1117/12.234217
Autor:
V. S. Postnikov, S. A. Belova
Publikováno v:
SPIE Proceedings.
This paper contains the results of structure investigations of laser layers on the Cr-Mo-steels surface by laser chromium-boron-carbiding. The positive influence of heating by the following heat treatment on the microfirmness and microfragility of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9f859144e7caf5f242e0fd9329874c5
https://doi.org/10.1117/12.234212
https://doi.org/10.1117/12.234212