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High aspect ratio grating by isochronal imprinting of less viscous workable Gd-based metallic glass for neutron phase imaging.
- Source :
-
Intermetallics . Nov2016, Vol. 78, p55-63. 9p. - Publication Year :
- 2016
-
Abstract
- Metallic glass (MG) exhibits viscous flow behavior in the supercooled liquid (SCL) state, which is of great advantage for its net-forming process. However, the viscous workability varies strongly with the alloy system and/or composition. In this paper, we demonstrate how MG with less viscous workability such as Gd-based MG can be processed in the SCL region. Based on this understanding, high aspect ratio analyzer gratings of 9 μm pitch and ∼30 μm heights have been fabricated through an imprinting method by allowing crystallization during a rapid heating isochronal imprinting process. The analyzer gratings made of Gd-based MG have brought a breakthrough for advancing neutron phase imaging based on grating interferometer. [ABSTRACT FROM AUTHOR]
- Subjects :
- *METALLIC glasses
*LIQUID metals
*VISCOUS flow
*INTERFEROMETERS
*ALLOYS
Subjects
Details
- Language :
- English
- ISSN :
- 09669795
- Volume :
- 78
- Database :
- Academic Search Index
- Journal :
- Intermetallics
- Publication Type :
- Academic Journal
- Accession number :
- 118499759
- Full Text :
- https://doi.org/10.1016/j.intermet.2016.09.004