HIGH-RESOLUTION ELECTRON-MICROSCOPY STUDIES OF TWIN BOUNDARY STRUCTURES IN B19' MARTENSITE IN THE TI-NI SHAPE-MEMORY ALLOY

Authors
NISHIDA M YAMAUCHI K ITAI I OHGI H CHIBA A
Citation
M. Nishida et al., HIGH-RESOLUTION ELECTRON-MICROSCOPY STUDIES OF TWIN BOUNDARY STRUCTURES IN B19' MARTENSITE IN THE TI-NI SHAPE-MEMORY ALLOY, Acta metallurgica et materialia, 43(3), 1995, pp. 1229-1234
Citations number
8
Categorie Soggetti
Material Science","Metallurgy & Metallurigical Engineering
Journal title
Acta metallurgica et materialia → ACNP
ISSN journal
09567151
Volume
43
Issue
3
Year of publication
1995
Pages
1229 - 1234
Database
ISI
SICI code
0956-7151(1995)43:3<1229:HESOTB>2.0.ZU;2-4
Abstract
The boundary structure of the [011] Type II, {11(1) over bar} Type I, {011} Type I, (100) compound and (001) compound twins in the B19' mart ensite in the Ti-Ni shape memory alloy was observed in the edge-on sta te by high resolution electron microscopy (HREM). The lattice images o f the Type I and the compound twins exhibit the well-defined crystallo graphic features of those boundaries. Lattice image of the [011] Type II twin taken from the unique eta(1) axis suggests that neither ledge nor step structures are present at the irrational boundary.