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On Glass Forming Ability of Bulk Metallic Glasses by Relating the Internal Friction Peak Value.
- Source :
- Metals (2075-4701); Jun2020, Vol. 10 Issue 6, p767-767, 1p
- Publication Year :
- 2020
-
Abstract
- The internal friction (IF) behaviors of a series of LaCe-, Zr-, and La-based bulk metallic glasses (BMGs) were studied by a computer-controlled, conventional inverted torsion pendulum. The results indicate that with an increasing temperature, the IF also increases gradually in the supercooled liquid region, followed by a decrease caused by crystallization. BMGs with a good glass forming ability (GFA) usually possess a high IF peak value for an alloy system with the same constituent elements. Furthermore, the magnitude of the IF value (Q<subscript>i</subscript><superscript>−1</superscript>) of the inflection point is an efficient criterion of GFA. The Q<subscript>i</subscript><superscript>−1</superscript> value is a valid criterion under the conditions of identical constituent elements and different element contents. However, Q<subscript>i</subscript><superscript>−1</superscript> and GFA have no relationship among different alloy systems. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20754701
- Volume :
- 10
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- Metals (2075-4701)
- Publication Type :
- Academic Journal
- Accession number :
- 144481583
- Full Text :
- https://doi.org/10.3390/met10060767