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Lenivtseva, O G; Polyakov, I A; Lazurenko, D V; Lozhkin, V S, E-mail: lenivtseva_olga@mail.ru2015
AbstractAbstract
[en] In this study the structure and properties of surface-alloyed cp-titanium layers obtained by non-vacuum electron beam cladding of niobium carbide powders were analyzed. A thickness of coatings fabricated by single-layer cladding was 1.3 mm. Cladding of the second layer led to an increase in the thickness by 0.8 mm. It was found that titanium carbide particles of different morphology acted as strengthening structural elements. The X-ray diffraction (XRD) analysis revealed the presence of α-Ti (α'-Ti), β-Ti, and TiC in the cladded layer. The results of the energy dispersive X-ray (EDX) analysis indicated the presence of Nb in the titanium matrix as well as in the carbide phase. However, such phases as NbC and (Nb, Ti)C were not identified by the XRD analysis. Transmission electron microscopy (TEM) revealed zones containing an increased amount of Nb. The structure of these zones was represented by the β-Ti and ω-Ti precipitation. An average microhardness value of cladded layers was approximately 330 HV. (paper)
Primary Subject
Source
MTT'2015: 21. international conference for students and young scientists: Modern technique and technologies; Tomsk (Russian Federation); 5-9 Oct 2015; Available from http://dx.doi.org/10.1088/1757-899X/93/1/012036; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Literature Type
Conference
Journal
IOP Conference Series. Materials Science and Engineering (Online); ISSN 1757-899X;
; v. 93(1); [6 p.]

Country of publication
BEAMS, CARBIDES, CARBON COMPOUNDS, COHERENT SCATTERING, DEPOSITION, DIFFRACTION, DIMENSIONS, ELECTROMAGNETIC RADIATION, ELECTRON MICROSCOPY, ELEMENTS, HARDNESS, IONIZING RADIATIONS, LEPTON BEAMS, MECHANICAL PROPERTIES, METALS, MICROSCOPY, NIOBIUM COMPOUNDS, PARTICLE BEAMS, RADIATIONS, REFRACTORY METAL COMPOUNDS, SCATTERING, SEPARATION PROCESSES, SURFACE COATING, TITANIUM, TITANIUM COMPOUNDS, TRANSITION ELEMENT COMPOUNDS, TRANSITION ELEMENTS
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