centrifugal shs
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2021 ◽  
Vol 12 (2-2021) ◽  
pp. 107-110
Author(s):  
K. V. Zakharov ◽  
◽  
D. E. Andreev ◽  
V. I. Yukhvid ◽  
N. Yu. Khomenko ◽  
...  

This paper discusses the synthesis regularities of new composite materials via combustion processes and their features of physicochemical transformations for task of a modern technology. In early studies, the authors showed the possibility of synthesizing composite materials via centrifugal SHS metallurgy, in which the combustion of thermite mixtures and the chemical transformations were studied. The compositions, structures and mechanical properties of the synthesized materials were also investigated


2021 ◽  
Vol 24 (6) ◽  
pp. 692-700
Author(s):  
V. N. Sanin ◽  
D. M. Ikornikov ◽  
O. A. Golosova ◽  
D. E. Andreev ◽  
V. I. Yukhvid

Author(s):  
K. V. Zakharov ◽  
D. E. Andreev ◽  
V. I. Yukhvid ◽  
M. Yu. Shiryaeva
Keyword(s):  

Author(s):  
Yu. S. Vdovin ◽  
D. E. Andreev ◽  
V. I. Yukhvid

2021 ◽  
Vol 1026 ◽  
pp. 122-128
Author(s):  
Shou Ze Wang ◽  
Shi Cheng Wei ◽  
Yi Liang ◽  
Bin Shi Xu ◽  
Yong Li Yang ◽  
...  

The inner-lined layers bonding strength of the ceramic-lined tubing was measured from 25°C to 600°C. The macroscopic structure and microscopic characteristics of the slippage surface of the ceramic-lined tubing were observed using optical microscopy and scanning electron microscopy. Combined with finite element analysis of the residual stress distribution at different temperatures, the shear failure model of the ceramic-lined tubing at different temperatures was given. The mechanical bonding force at the C-A (ceramic layer-alloy layer) interface is greater than the metallurgical bonding force at the A-T (alloy layer-base tubing) interface at low temperature, and the mechanical bonding force at the C-A interface is less than the metallurgical bonding force at the A-T interface at high temperature. The transition temperature is about 200 °C.


2020 ◽  
Vol 14 (2) ◽  
pp. 261-265 ◽  
Author(s):  
D. E. Andreev ◽  
Yu. S. Vdovin ◽  
V. I. Yukhvid ◽  
N. V. Sachkova ◽  
I. D. Kovalev

Author(s):  
V. V. Klubovich ◽  
M. M. Kulak ◽  
V. G. Samolyotov ◽  
B. B. Khina

The paper is devoted to the problem of producing hard, wear-resistant materials by SHS-casting using centrifugal forces. We have developed a device for centrifugal SHS casting and initial compositions of the reactive iron-base charge. A technology for producing coatings, materials and final products with a non-uniform distribution of strengthening particles over the specimen volume has been developed and tested in industrial conditions. The microstructure and phase composition of the synthesized material with a non-uniform distribution of reinforcing particles is studied. The synthesized material implements the Charpy principle: dispersed hard carbide particles are distributed in a relatively soft matrix, which ensures high wear resistance. By means of SHS casting, billets were obtained for producing a measurement instrument, namely a plug-type gauge, which successfully passed industrial tests at OJSC “VIZAS”. The tests shown that the hardness of all synthesized samples was in the range from 63 to 68 HRC and the number of measurements per 1 micron of wear on a diameter of15 mm was 2500 to 2700. Hence, the developed method made it possible to significantly increase the service life of the measuring tool: by a factor of 1.5 to 2.


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