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| The Effect of Boronizing on the Magnetization Behaviour of Low Carbon Microalloyed Steels |
| Journal of Magnetics, Volume 17, Number 2, 30 Jun 2012, Pages 96-99 |
Adnan Çalik *  (Suleyman Demirel University, Faculty of Technology, Manufacturing Engineering Department), Mustafa Serdar Karaka¸s (Suleyman Demirel University, Faculty of Technology, Manufacturing Engineering Department), Naz m Uçar (Suleyman Demirel University, Faculty of Science and Arts, Physics Department), Ömer Bar ¸s Aytar (Suleyman Demirel University, Faculty of Science and Arts, Physics Department) |
| Abstract |
The change of saturation magnetization in boronized low carbon microalloyed steels was investigated as a function of boronizing time. Specimens were boronized in an electrical resistance furnace for times ranging from 3 to 9 h at 1123 K. The metallurgical and magnetic properties of the specimens were investigated using optical microscopy (OM), scanning electron microscopy (SEM), X-ray diffraction (XRD) and vibrating sample magnetometry (VSM). A boride layer with saw-tooth morphology consisting of FeB and Fe2B was observed on the surface, its thickness ranged from 63 μm to 140 μm depending on the boronizing time. XRD confirmed the presence of Fe2B and FeB on the surface. The saturation magnetization decreased with increasing boronizing time. This decrease was attributed to the increased thickness of the FeB and Fe2B phases. Cracks were observed at the FeB/Fe2B interfaces of the samples. The number of interfacial cracks increased with increasing boronizing time.
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| Keywords: boronizing; iron boride; saturation magnetization; x-ray diffraction; coatings |
| DOI: http://dx.doi.org/10.4283/JMAG.2012.17.2.096 |
| Full Text: PDF |
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