NDLI: Nanostructural States and Properties of the Surfacing Formed on Steel by a Cored Wire

Content Provider	Springer Nature Link
Author	Kapralov, E. V. Budovskikh, E. A. Gromov, V. E. Ivav, Yu. F.
Copyright Year	2015
Abstract	Structural-phase states and mechanical properties of electric arc surfacing by an EnDOtec DO*33 cored wire on a Hardox 400 steel are investigated. Formation of the multiphase state of the surfacing represented by grains of α-iron and inclusions of carbide phases based on iron, chromium, and niobium is revealed by the methods of electron diffraction microscopy and x-ray phase analysis. The additional treatment of the surfacing by a high-intensity electron beam is performed. Mutual arrangement of the grains of α-iron and particles of carbide phases is investigated. It is found that the surfacing layer is in the elastic-stressed state formed as a result of super-high heating and cooling rates initiated by the pulsed electron beam treatment. It is shown that the microhardness of the surfaced layer remains constant with the depth down to 4 mm and exceeds by a factor of 2.4 the microhardness of the substrate; the wear resistance of the surfacing is 3 times higher than that of the steel, and the friction coefficient of the surfacing is half that of the steel.
Starting Page	471
Ending Page	477
Page Count	7
File Format	PDF
ISSN	10648887
Journal	Russian Physics Journal
Volume Number	58
Issue Number	4
e-ISSN	15739228
Language	English
Publisher	Springer US
Publisher Date	2015-08-14
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	electric arc surfacing cored wire structural-phase states microhardness wear resistance friction coefficient Physics Optics, Optoelectronics, Plasmonics and Optical Devices Condensed Matter Physics Nuclear Physics, Heavy Ions, Hadrons Theoretical, Mathematical and Computational Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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