Abstract
The purpose of this study is to investigate the magnetic properties of oxide dispersion strengthened (ODS) ferritic steel. In this study, two samples of ODS ferritic steel powder were prepared by mechanical alloying method. The crystal structure and morphology of the samples were identified by X-ray Diffraction (XRD) analysis and examined by Field Emission Scanning Electron Microscopy (FESEM) respectively. The magnetic measurement including saturation magnetization (Ms), retentivity (Mr) and coercivity (Hc) of the samples were carried out at room temperature by using a Vibrating Sample Magnetometer (VSM). The magnetization curve of the samples (12Y and 14Y) approached the soft ferromagnetic behavior which is similar to its iron-based material due to the high content of iron (Fe) within the matrix. 12Y sample exhibit higher saturation magnetization, Ms value which is 295 emu/g due to the lower content of chromium (Cr) compared to 14Y sample which saturate at 162 emu/g.
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