Study of Materials Having Significance for High Energy Magnet Production and Hydrogen Storage
Abstract
A summary is given of work dealing with the development of new permanent magnet materials and new materials for hydrogen storage. The work is reported in detail in 39 publications which have appeared or will appear in the open literature. These include 10 reviews of the subject matter of the program. Among the most significant findings are the following: (1) hydrogen in rare earth and actinide intermetallics behaves as if it were anionic; (2) hydrogenation can either 'switch off' or 'switch on' ferromagnetism, depending on the system; (3) the superconductor Th7Fe3 is converted into a ferromagnet when hydrogenated; (4) the mechanism of hydrogen uptake has been thoroughly elucidated; (5) Er2Co17 and Yb2Co17-based systems have been identified as potentially useful permanent magnet materials; (5) Cr sub-stitution for Co in Sm2Co17 has a powerful beneficial effect on anisotropy.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 15, 1980
- Accession Number
- ADA084943
Entities
People
- W. E. Wallace
Organizations
- University of Pittsburgh