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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
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Revista de Chimie (Rev. Chim.), Year 2020, Volume 71, Issue 9, 162-171

https://doi.org/10.37358/RC.20.9.8326

Ioan Virca, Ghita Barsan, Constantin Bungau, Danut Mosteanu, Simona Bungau, Pavel Otrisal, Florin Banica, Cornel Hatiegan

Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp

Abstract:

The research conducted in the present paper is part of a comprehensive study to innovate a method of surface treatment for some metallic powder materials with alternative energy sources to lasers and electron beams (i.e. with gas-discharge lamp (GDL)), typically used as sources of optical pumping for the lasers, having a solid active element. The radiant energy sources used for study are composed of a GDL and the high voltage power supply consists of a block of high-capacity capacitors. The materials were selected from the Fe-Cu-C grade, with a carbon content between 0.5 to 0.72%, and the measurements were made on microscopes with electron beam scanning. Configurational modifications of a surface layer of approximatively 30-35 im, characteristic for Fe-C-Cu alloys, containing nearly 0.7% C (pearlite, ferrite and cementite) are highlighted by the microscopic examinations. At the surface level, the energy flux created by the lamp in the visible spectrum, generates pressure, determining elongation of the surface layer pores, under optical action, resulting an effect comparable to plastic deformation by induration or compaction through mechanical actions. The results obtained highlight the potential of this class of materials to surface treatments and the options for the energy sources used.
Keywords:
surface treatment; gas-discharge lamp (GDL); hardness; optical radiation pulses; metallic powders

Issue: 2020, Volume 71, Issue 9
Pages: 162-171
Publication date: 2020/9/5
https://doi.org/10.37358/RC.20.9.8326
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
VIRCA, I., BARSAN, G., BUNGAU, C., MOSTEANU, D., BUNGAU, S., OTRISAL, P., BANICA, F., HATIEGAN, C., Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp, Rev. Chim., 71(9), 2020, 162-171.

Vancouver
Virca I, Barsan G, Bungau C, Mosteanu D, Bungau S, Otrisal P, Banica F, Hatiegan C. Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp. Rev. Chim.[internet]. 2020 Sep;71(9):162-171. Available from: https://doi.org/10.37358/RC.20.9.8326


APA 6th edition
Virca, I., Barsan, G., Bungau, C., Mosteanu, D., Bungau, S., Otrisal, P., Banica, F. & Hatiegan, C. (2020). Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp. Revista de Chimie, 71(9), 162-171. https://doi.org/10.37358/RC.20.9.8326


Harvard
Virca, I., Barsan, G., Bungau, C., Mosteanu, D., Bungau, S., Otrisal, P., Banica, F., Hatiegan, C. (2020). 'Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp', Revista de Chimie, 71(9), pp. 162-171. https://doi.org/10.37358/RC.20.9.8326


IEEE
I. Virca, G. Barsan, C. Bungau, D. Mosteanu, S. Bungau, P. Otrisal, F. Banica, C. Hatiegan, "Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp". Revista de Chimie, vol. 71, no. 9, pp. 162-171, 2020. [online]. https://doi.org/10.37358/RC.20.9.8326


Text
Ioan Virca, Ghita Barsan, Constantin Bungau, Danut Mosteanu, Simona Bungau, Pavel Otrisal, Florin Banica, Cornel Hatiegan,
Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp,
Revista de Chimie,
Volume 71, Issue 9,
2020,
Pages 162-171,
ISSN 2668-8212,
https://doi.org/10.37358/RC.20.9.8326.
(https://revistadechimie.ro/Articles.asp?ID=8326)
Keywords: surface treatment; gas-discharge lamp (GDL); hardness; optical radiation pulses; metallic powders


RIS
TY - JOUR
T1 - Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp
A1 - Virca, Ioan
A2 - Barsan, Ghita
A3 - Bungau, Constantin
A4 - Mosteanu, Danut
A5 - Bungau, Simona
A6 - Otrisal, Pavel
A7 - Banica, Florin
A8 - Hatiegan, Cornel
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2020
VL - 71
IS - 9
SP - 162
EP - 171
UR - https://doi.org/10.37358/RC.20.9.8326
KW - surface treatment
KW - gas-discharge lamp (GDL)
KW - hardness
KW - optical radiation pulses
KW - metallic powders
ER -


BibTex
@article{RevCh2020P162,
author = {Virca Ioan and Barsan Ghita and Bungau Constantin and Mosteanu Danut and Bungau Simona and Otrisal Pavel and Banica Florin and Hatiegan Cornel},
title = {Innovative Method of Treating Sintered Metal Powders Surfaces with Optical Radiation Pulses, Using Gas-Discharge Lamp},
journal = {Revista de Chimie},
volume = {71},
number = {9},
pages = {162-171},
year = {2020},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.20.9.8326},
url = {https://revistadechimie.ro/Articles.asp?ID=8326}
}
 
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