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HomeSolid State PhenomenaSolid State Phenomena Vol. 284Features of Steel Tape Deformation-Strength...

Features of Steel Tape Deformation-Strength Properties Formation by Plasma-Cavitating Treatment

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Abstract:

The paper reveals the key features of metal products deformation-strength properties obtained by them as a result of plasma-cavitating treatment. A strengthened cold-rolled tape of steel grade 08ps (Russian State Standard (GOST) 1050-88) was chosen as a model object. Samples of the tape were treated by plasma-cavitating method at certain values of technological parameters (power density and time of plasma action). Then they were tested in accordance with Russian State Standard (GOST) 11701-84. It is determined that the strength of the material remains at the level before processing. At the same time, the percent elongation at break increases essentially (up to 36.3% in relation to the initial indices). It is shown that the dependencies of change in plastic properties of the material on processing time at different values of power density are non-linear with critical points of relative change of percent elongation minimum, due to those physical processes that occur during the treatment period. The location of these critical points depends on both the power density and the time of plasma-cavitating treatment.

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Materials Engineering and Technologies for Production and Processing IV

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Periodical:

Solid State Phenomena (Volume 284)

Pages:

1291-1296

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.284.1291

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Online since:

October 2018

Authors:

V.L. Steblyanko, Anton P. Ponomarev*

Keywords:

Active Center, Hydrodynamic Effect, Metal Surface, Plasma-Cavitating Treatment, Power Density, Relative Change of Percent Elongation, Treatment Time

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