SHORT-RANGE FORCES IN ALLOYS
Abstract
Attempts are being made to characterize the electronic structure of solute atoms present in small concentrations in solid solutions and to deduce what the short-range forces in such alloys are. X-ray absorption spectroscopy is being combined with X-ray diffraction methods for the investigation. The Cr end of the Cr-Al binary system is being studied regarding (1) the action of transition metals in alloys and (2) the relation of the electronic structure of Cr to the crystal structure of the intermediate phases occurring on the Cr side. A double-crystal spectrometer attachment was investigated for determining X-ray absorption spectra; resolution of the instrument was 7000. A constantpotential generator will hopefully give adequate voltage stabilization. Solid solutions of Ni-Cu and Ni-Al alloys were studied regarding the absorption-edge structure of Ni; the results showed that changes in the electronic structure of transition metals can be observed by X-ray absorption spectroscopy. Exploratory preparations were made of Cr-Al solid solutions and intermetallic single crystals.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 16, 1962
- Accession Number
- AD0277999
Entities
People
- Leonid V. Azaroff
Organizations
- Illinois Institute of Technology