Numerical evaluation of the laser-pulse modification modes of the metal surface layer in the presence of a surface-active component in the melt

2017 ◽  
Vol 24 (5) ◽  
pp. 779-786 ◽  
Author(s):  
V. N. Popov ◽  
A. N. Cherepanov
Keyword(s):  
Surface Layer ◽  
Laser Pulse ◽  
Metal Surface ◽  
Numerical Evaluation ◽  
Active Component ◽  
Surface Active ◽  
Metal Surface Layer ◽  
Surface Active Component

Numerical Evaluation of the Effect of a Surface-Active Component on the Convective Mass Transfer During the Metal Surface Melting by the Laser Impulse

2012 ◽  
Vol 7 (3) ◽  
pp. 114-121
Author(s):  
Vladimir Popov ◽  
Oleg Kovalev ◽  
Elena Smirnova ◽  
Yuliya Tsivinskaya
Keyword(s):  
Mathematical Model ◽  
Metal Surface ◽  
Numerical Evaluation ◽  
Active Component ◽  
Pulsed Laser ◽  
Convective Mass Transfer ◽  
Pulsed Laser Radiation ◽  
Surface Active ◽  
Laser Impulse ◽  
Surface Active Component

Under consideration is a mathematical model of the alloying process of the metal surface by the pulsed laser radiation. The dependence of the surface tension on the surface-active impurities in the melt is analyzed. The numerical simulation enabled to determine the possibility of development of flows and distribution of the alloying material into the metal

The Investigation on the Non-Contact Treatment of the Metal Surface Layer by Using Strong Pulse Electromagnetic Field

2011 ◽  
Vol 299-300 ◽  
pp. 65-68
Author(s):  
Ming Gao ◽  
Li Li Zhang ◽  
Tao Huang ◽  
Meng Ru Lv
Keyword(s):  
Electromagnetic Field ◽  
Surface Layer ◽  
Metal Surface ◽  
Recovery Process ◽  
Pulse Electromagnetic Field ◽  
Contact Method ◽  
Brass Surface ◽  
Metal Materials ◽  
Metal Surface Layer ◽  
Wood’S Alloy

A strong pulse electromagnetic field was employed to treat the surface layer of several metal materials. The results showed that the treatment of the strong pulse electromagnetic field could modify the microstructure of the region around the crack on the 45# steel surface. It could also make the recovery process occur in the scratch on the brass surface, and make the surface layer of the Wood’s alloy melt in a very shot time. These results indicated that the strong electromagnetic pulse could be developed as an effective non-contact method for the metal surface processing.

The Role of Lattice Curvature in Structural Degradation of the Metal Surface Layer of a Rail under Long-term Operation

2020 ◽  
Vol 65 (10) ◽  
pp. 376-378
Author(s):  
V. E. Panin ◽  
V. E. Gromov ◽  
Yu. F. Ivanov ◽  
A. A. Yuriev ◽  
V. E. Kormyshev
Keyword(s):  
Surface Layer ◽  
Metal Surface ◽  
Structural Degradation ◽  
Lattice Curvature ◽  
Term Operation ◽  
Metal Surface Layer
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