Microstructure and magnetic properties of Nd60Al10Fe20Co10 glass-forming alloy
- 1. Institute of Material, Shanghai University, Shanghai 200072 (China)
- 2. National Microgravity Laboratory, Institute of Mechanics, Chinese Academy of Science, Beijing 100080 (China)
- 3. Institute of Physics, Chinese Academy of Science, Beijing 100080 (China)
Description
The microstructural variations of the Nd60Al10Fe20Co10 melt-spun ribbons and the as-cast rod were studied by high resolution transmission electron microscopy (HRTEM), x-ray diffraction (XRD) and differential scanning calorimetry. Nano-clusters in glassy matrix in both melt-spun ribbon and the as-cast rod samples were observed by HRTEM, though no obvious crystalline reflections were displayed in either the XRD or selected area electron diffraction patterns. The magnetic properties of the rod sample were compared to that of the ribbons. It was found that the coercivity of the alloy increases with the size of the nano-scaled clusters, while the cluster size increases with the reduction of cooling rate at which the sample were prepared. The relationship between the microstructure and magnetic and thermal properties of the Nd based alloy were discussed by random anisotropy model
Availability note (English)
Available online at http://stacks.iop.org/0022-3727/36/775/d30701.pdf or at the Web site for the Journal of Physics. D, Applied Physics (ISSN 1361-6463) http://www.iop.org/Additional details
Identifiers
- URL
- http://stacks.iop.org/0022-3727/36/775/d30701.pdf; http://www.iop.org/;
- PII
- S0022-3727(03)57941-4;
Publishing Information
- Journal Title
- Journal of Physics. D, Applied Physics
- Journal Volume
- 36
- Journal Issue
- 7
- Journal Page Range
- p. 775-778
- ISSN
- 0022-3727
- CODEN
- JPAPBE
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 34052459
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- ALUMINIUM ALLOYS; ANISOTROPY; CALORIMETRY; COBALT ALLOYS; COERCIVE FORCE; CRYSTAL MODELS; ELECTRON DIFFRACTION; IRON ALLOYS; MAGNETIC PROPERTIES; MICROSTRUCTURE; NEODYMIUM ALLOYS; QUATERNARY ALLOY SYSTEMS; RANDOMNESS; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION
- Descriptors DEC
- ALLOY SYSTEMS; ALLOYS; COHERENT SCATTERING; DIFFRACTION; ELECTRON MICROSCOPY; MATHEMATICAL MODELS; MICROSCOPY; PHYSICAL PROPERTIES; RARE EARTH ALLOYS; SCATTERING; TRANSITION ELEMENT ALLOYS