STRUCTURE AND PROPERTIES OF SURFACE LAYERS OBTAINED BY OUT-VACUUM ELECTRON-BEAM CLADDING OF COPPER AND BORON POWDER MIXTURES

Metallurg ◽  
2021 ◽  
pp. 62-68
Author(s):  
K.I. Emurlaev ◽  
M.G. Golkovsky ◽  
N.V. Stepanova ◽  
Z.B. Bataeva
2015 ◽  
Vol 355 ◽  
pp. 320-326 ◽  
Author(s):  
O.G. Lenivtseva ◽  
I.A. Bataev ◽  
M.G. Golkovskii ◽  
A.A. Bataev ◽  
V.V. Samoilenko ◽  
...  

2016 ◽  
Author(s):  
Yuri Ivanov ◽  
Oleg Tolkachev ◽  
Maria Petyukevich ◽  
Anton Teresov ◽  
Olga Ivanova ◽  
...  

2014 ◽  
Vol 1040 ◽  
pp. 778-783 ◽  
Author(s):  
Daria Mul ◽  
Dina S. Krivezhenko ◽  
Daria B. Lazurenko ◽  
Olga G. Lenivtseva ◽  
Alexandra Chevakinskaya

The surface layer of steel was reinforced by electron-beam cladding at air atmosphere. Two types of powder mixtures were used to receive coatings: (1) titanium and graphite, (2) titanium and boron carbide. The formation of heterogeneous structure was observed in specimens after the electron-beam treatment by the methods of optical microscopy and scanning electron microscopy. The X-ray diffraction analysis was used to analyze the phase composition of the coatings. The wear resistance level of the coatings was estimated by friction test against loosely fixed abrasive particles. It was found that surface alloying of steel with carbon containing components led to the formation of material with an enhanced wear resistance level.


2017 ◽  
Author(s):  
Elena Sinyakova ◽  
Alexey Panin ◽  
Olga Perevalova ◽  
Marina Kazachenok ◽  
Yurii Ivanov ◽  
...  

1981 ◽  
Vol 7 ◽  
Author(s):  
C. J. Mchargue ◽  
H. Naramoto ◽  
B. R. Appleton ◽  
C. W. White ◽  
J. M. Williams

ABSTRACTSingle crystals of Al2O3 were implanted with chromium and zirconium to fluences of 1 × 1016 to 1 × 1017 ions cm−2. Rutherford backscattering-channeling studies showed the surface layers to be damaged but crystalline with the implanted ions randomly distributed. The microhardness and indentation fracture toughness were higher for the random solutions than for conventionally formed solid solutions. Changes in structure and properties caused by annealing in air at temperatures up to 1800°C were studied.


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