Gradient structure formation in the surface layer of AK10M2N silumin by electron beam treatment

2018 ◽  
Author(s):  
D. V. Zagulyaev ◽  
V. E. Gromov ◽  
S. V. Konovalov ◽  
Yu. F. Ivanov ◽  
A. D. Teresov ◽  
...  
Keyword(s):  
Surface Layer ◽  
Electron Beam ◽  
Structure Formation ◽  
Gradient Structure ◽  
Electron Beam Treatment

Structure phase states formation of Ti-Y surface layer by electro explosion and electron-beam treatment

2015 ◽  
Vol 2 (3) ◽  
Author(s):  
V.E. Gromov ◽  
K.V. Sosnin ◽  
Yu.F. Ivanov ◽  
X.L. Wang ◽  
M.S. Liu ◽  
...  
Keyword(s):  
Surface Layer ◽  
Electron Beam ◽  
Electron Beam Treatment ◽  
Structure Phase

The structure and phase condition's evolution in the silicon carbide ceramics surface layer under the electron-beam treatment

2018 ◽  
pp. 24-28
Author(s):  
Yu. F. Ivanov ◽  
O. L. Khasanov ◽  
M. S. Petyukevich ◽  
V. V. Polisadova ◽  
Z. G. Bikbaeva ◽  
...  
Keyword(s):  
Silicon Carbide ◽  
Surface Layer ◽  
Electron Beam ◽  
Electron Beam Treatment ◽  
Pulsed Electron Beam ◽  
Sic Ceramics ◽  
Treatment Conditions ◽  
Carbide Ceramics ◽  
Silicon Carbide Ceramics ◽  
Beam Characteristics

The elemental constituents, phase composition and substructural evolution were investigated in the article in the silicon carbide ceramics surface layer which was subjected to the intense pulsed electron beam the density of the electron beam being varied. It was shown that the ceramic layer surface's structure and phase conditions were controlled by the electron beam characteristics. The SiC-ceramics surface layer nanostructuring was detected and the electron beam treatment conditions which lead to this effect were defined.

Gradient Structure of the Layer Applied to Hardox 450 Steel by Fe–C–Cr–Nb–W Powder Wire after Electron-Beam Treatment

2018 ◽  
Vol 48 (4) ◽  
pp. 229-232
Author(s):  
V. E. Gromov ◽  
V. E. Kormyshev ◽  
A. M. Glezer ◽  
S. V. Konovalov ◽  
Yu. F. Ivanov
Keyword(s):  
Electron Beam ◽  
Gradient Structure ◽  
Electron Beam Treatment ◽  
Powder Wire

Hardening of the Surface Layer of Silumin by Electron Beam

2013 ◽  
Vol 872 ◽  
pp. 162-166 ◽  
Author(s):  
Yurii F. Ivanov ◽  
Elizaveta A. Petrikova ◽  
Nikolay N. Cherenda ◽  
Anton D. Teresov
Keyword(s):  
Surface Layer ◽  
Electron Beam ◽  
Bending Strength ◽  
Nanocrystalline Structure ◽  
Electron Beam Treatment ◽  
Plastic Limit ◽  
X Ray Diffraction ◽  
X Ray ◽  
The Core ◽  
Ultimate Bending Strength

In the present work has been carried out the treatment of silumin by high-intensity electron beam with different density of the input energy. The structure and phase composition of surface layer have been studied by the methods of X-ray diffraction and electron microscopy both scanning and diffraction transmission. The mechanisms are responsible for improvement of properties of modified material have been revealed. It has been shown that electron beam treatment of silumin is accompanied by the formation of multilayer submicro-and nanocrystalline structure and result in increasing the microhardness of the surface layer (towards the core) is ~ 3.5 times, the Young's modulus in a ~ 1.4 times, the ultimate bending strength (in ~ 1.2 times) and tensile strength (in ~ 1.4 times), the bending plastic limit (in ~ 1.2 times) and tensile (in ~ 1.8 times).

Modification of steel surface layer by electron beam treatment

2008 ◽  
Vol 50 (11-12) ◽  
pp. 569-574 ◽  
Author(s):  
Yu. F. Ivanov ◽  
Yu. A. Kolubaeva ◽  
S. V. Konovalov ◽  
N. N. Koval’ ◽  
V. E. Gromov
Keyword(s):  
Surface Layer ◽  
Electron Beam ◽  
Steel Surface ◽  
Electron Beam Treatment

Cladding of Ni-Cr-Si-B Powder Coatings by an Electron Beam Injected into the Atmosphere

2015 ◽  
Vol 788 ◽  
pp. 123-128
Author(s):  
Tatyana A. Zimoglyadova ◽  
Ekaterina Drobyaz ◽  
Vladimir Bataev ◽  
Elena Kornienko ◽  
Daria Mul ◽  
...  
Keyword(s):  
Electron Beam ◽  
Liquid Phase ◽  
Grain Boundaries ◽  
Base Metal ◽  
Diffusion Processes ◽  
Gradient Structure ◽  
Electron Beam Treatment ◽  
Powder Coatings ◽  
High Quality ◽  
Powder Mixtures

The influence of the cladding rate on the structure and microhardness parameter of coatings obtained by non-vacuum electron beam treatment of Ni-Cr-Si-B powder mixtures was investigated. Modified layers characterized by the gradient structure and consist of dendritic grains and a eutectic located at the grain boundaries. It was found that the lowest microhardness level (300 HV) was characteristic of the coatings obtained when the workpiece was moving relative to an electron beam with a speed of 10 mm per second. This treatment regime allowed obtaining high-quality coatings 2.5 mm in thickness. However, a large thickness of fusion penetration led to the interfusion of the base metal with a coating material and a decrease in the concentration of alloying elements in the coating. Reducing the lifetime of the liquid phase during treatment prevented intensive diffusion processes. Increasing the treatment velocity to 20 mm per second doubled the cladded layer microhardness (up to 650 HV).

The Method of Receiving of Surface Alloys Si-Ti System

2014 ◽  
Vol 682 ◽  
pp. 87-90
Author(s):  
Elizaveta A. Petrikova ◽  
Yurii F. Ivanov ◽  
Anton D. Teresov
Keyword(s):  
Surface Layer ◽  
Electron Beam ◽  
High Temperature ◽  
Silicon Substrate ◽  
High Intensity ◽  
Multilayer Composite ◽  
Electron Beam Treatment ◽  
Surface Alloys ◽  
Layer Material ◽  
Light Material

The technique has been developed and the possibility of doping titanium by silicon to form a multilayer composite Ti (base) / Ti5Si3 (surface layer) material, which is special interesting as a high-temperature light material due to the formation of high-temperature (Tm = 2400 K) of titanium silicideTi5Si3, synthesized in a single vacuum cycle during high-intensity electron beam treatment of submillisecond duration on the film (silicon) / substrate (titanium), formed by spraying silicon by electron beam.

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