Published May 1999
| Version v1
Journal article
The influence of cooling rate on the formation of an amorphous phase in Si-based multicomponent alloys and its thermal stability
Description
By adding Ni, Cr, and Zr to the Si-Al-Fe system and using a higher surface velocity of the copper wheel of 63 m/s, the composition range of an amorphous single phase was extended to 60 at% Si. An amorphous Si60Al18Fe12Ni4Cr3Zr3 alloy was produced. The amorphous phase in the Si-Al-TM (TM = transition metals) alloys shows higher thermal stability than in the Al-Si-TM alloys. By the shift of differential scanning calorimetry (DSC) peaks with change of heating rate, the activation energy for the transformation was determined to be 343 kJ/mol for Si55Al20Fe10Ni5Cr5Zr5 alloy and 374 kJ/mol for Si50Al25Fe10Ni5Cr5Zr5 alloy
Additional details
Publishing Information
- Journal Title
- Materials Research Bulletin
- Journal Volume
- 34
- Journal Issue
- 7
- Journal Page Range
- p. 1165-1172
- ISSN
- 0025-5408
- CODEN
- MRBUAC
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 31012723
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- ALUMINIUM ALLOYS; AMORPHOUS STATE; CALORIMETRY; CHEMICAL COMPOSITION; CHROMIUM ALLOYS; IRON ALLOYS; NICKEL ALLOYS; PHASE STUDIES; SILICON ALLOYS; ZIRCONIUM ALLOYS
- Descriptors DEC
- ALLOYS; TRANSITION ELEMENT ALLOYS