Effects of Fe substitution for Co on the thermal, magnetic, and mechanical properties of the Co-Fe-B-Si-Mo alloy system
- Authors
- Kwon, Seoyeon; Kim, Sumin; Choi-Yim, Haein; Lee, Dukhyun; Kwon, SeongJun; Kim, KiBuem
- Issue Date
- Jan-2018
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Co-based; Soft magnetic properties; Amorphous
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.72, no.1, pp 171 - 176
- Pages
- 6
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 72
- Number
- 1
- Start Page
- 171
- End Page
- 176
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/4747
- DOI
- 10.3938/jkps.72.171
- ISSN
- 0374-4884
1976-8524
- Abstract
- The effects of Fe content on the thermal, magnetic, and mechanical properties of a Co72B19.2Si4.8Mo4 alloy were studied. Amorphous soft magnetic alloys of (Co1-x Fe (x) )(72) B19.2Si4.8Mo4 (0 1) with 3-mm widths and 27 - 30 mu m thicknesses were obtained by using the melt spinning technique. The crystallization temperature (T (x) ) for each alloy was measured by using differential scanning calorimetry (DSC). All ribbons were identified as fully amorphous by using X-ray diffraction (XRD). The magnetic properties of the amorphous ribbons were measured by using a vibrating sample magnetometer (VSM). The Fe-only ribbon (x = 1) showed the highest saturation magnetization of 1.15 T in these alloys. Also, the nano-hardness (H (nanoindentation) ), and Young's modulus (E) were evaluated by using nano-indentation experiments, and Co21.6Fe50.4B19.2Si4.8Mo4 (x = 0.7) show a nano-hardness (H (nanoindentation) ) of 18.92 GPa.
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