Loading…
Plasma Carburizing of Sintered Pure Iron at Low Temperature
In this work, plasma carburizing of sintered pure iron at low temperature was investigated. Samples were carburized under a dc abnormal glow discharge in two mixed atmospheres (5%CH sub(4)+ 95%H sub(2) and 20%CH sub(4)+ 80%H sub(2)) at 500 [degrees]C and 700 [degrees]C for 3 and 6 hours. The influen...
Saved in:
Published in: | Materials research (São Carlos, São Paulo, Brazil) São Paulo, Brazil), 2015-04, Vol.18 (2), p.320-327 |
---|---|
Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | In this work, plasma carburizing of sintered pure iron at low temperature was investigated. Samples were carburized under a dc abnormal glow discharge in two mixed atmospheres (5%CH sub(4)+ 95%H sub(2) and 20%CH sub(4)+ 80%H sub(2)) at 500 [degrees]C and 700 [degrees]C for 3 and 6 hours. The influence of these parameters was investigated by Scan Electron Microscopy (SEM), X-ray Diffraction (DRX), Raman spectroscopy and microhardness measurements. There is a correlation between temperature and layer morphology, and a layer of polycrystalline cementite was obtained at 500 [degrees]C and 700 [degrees]C on a ferrite substrate. Furthermore, the carburized layer thickness increased with an increase in the treatment time and the methane percentage. The topography is very dependent on the treatment temperature. |
---|---|
ISSN: | 1516-1439 1980-5373 1516-1439 1980-5373 |
DOI: | 10.1590/1516-1439.306514 |