Effect of the variation in Sm/Cu/Zr content on phase stability of an Sm(Co,Fe,Cu,Zr)/sub 7. 4/ permanent magnet alloy

The authors discuss the effect of composition variation on the phase stability of an Sm(Co, Fe, Cu, Zr)/sub 7.4/ system studied to provide information on interpreting phase changes after partitioning of composition in the heat treatment of this alloy. Three quasi-binary phase diagrams were obtained...

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Bibliographic Details
Main Authors: Chin, T.S., Chang, W.C., Chang, R.T., Hung, M.P., Lee, H.T.
Format: Conference Proceeding
Language:English
Subjects:
360102 - Metals & Alloys- Structure & Phase Studies
360104 - Metals & Alloys- Physical Properties
656100 - Condensed Matter Physics- Superconductivity
ALLOYS
CHEMICAL COMPOSITION
COBALT ADDITIONS
COBALT ALLOYS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
COPPER ALLOYS
DIAGRAMS
ELECTRON MICROSCOPY
HEAT TREATMENTS
IRON ADDITIONS
IRON ALLOYS
MAGNETIC PROPERTIES
MAGNETS
MATERIALS SCIENCE
MICROSCOPY
PERMANENT MAGNETS
PHASE DIAGRAMS
PHASE STUDIES
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
SAMARIUM ALLOYS
SCANNING ELECTRON MICROSCOPY
SPECTRA
STABILIZATION
X-RAY SPECTRA
ZIRCONIUM ALLOYS
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Summary:The authors discuss the effect of composition variation on the phase stability of an Sm(Co, Fe, Cu, Zr)/sub 7.4/ system studied to provide information on interpreting phase changes after partitioning of composition in the heat treatment of this alloy. Three quasi-binary phase diagrams were obtained by X-ray diffractometry, differential thermal analysis, scanning electron microscopy, and energy dispersive X-ray spectroscopy. The major phase of all the alloys studied is either the 2:17H or 2:17R phase. However, additional phases appear as a result of compositional variations.
ISSN:0018-9464
1941-0069