Nanoscale Strain Fields Research of Boundaries between B2 Matrix and G.P. Zone in Ni-Ti Alloy Thin Films

Ti-47at.%Ni alloy films were prepared by magnetron sputtering followed by 460°C for 40 minutes heat-treatment. The strain fields between B2 phase matrix and G.P. zone were mapped by a combination of high-resolution transmission electron microscopy and geometric phase analysis method. It was found th...

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Veröffentlicht in:	TheScientificWorld 2014-01, Vol.2014 (2014), p.1-5
Hauptverfasser:	Zhao, S. L., Zhao, C. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Alloys Alloys - chemistry Boundaries Compressive Strength Computer Simulation Dielectric films Elastic Modulus Grain boundaries Grain size Heat Materials Testing Mechanical properties Membranes, Artificial Methods Microstructure Models, Chemical Nanoparticles - chemistry Nanoparticles - ultrastructure Nickel - chemistry Nickel alloys Nickel-titanium alloys Shape-memory alloys Silicon nitride Silicon wafers Stress analysis (Engineering) Stress, Mechanical Surface Properties Testing Thin films Titanium - chemistry Titanium alloys Transmission electron microscopy
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Beschreibung
Zusammenfassung:	Ti-47at.%Ni alloy films were prepared by magnetron sputtering followed by 460°C for 40 minutes heat-treatment. The strain fields between B2 phase matrix and G.P. zone were mapped by a combination of high-resolution transmission electron microscopy and geometric phase analysis method. It was found that there is a compressive strain region parallel to the longitudinal axis of G.P. zone with 2 nm in width, −2.2% in average strain at the boundaries between B2 phase and G.P. zone.
ISSN:	2356-6140 1537-744X 1537-744X
DOI:	10.1155/2014/127032