Distribution of Residual Elastic Microstress in Rolled Ti-Ni Single Crystals
p.92
p.92
Low Temperature Transformations in β-Metastable Ti 5553 Titanium Alloy
p.97
p.97
Neutron Diffraction Study of a Non-Stoichiometric Ni-Mn-Ga MSM Alloy
p.103
p.103
The Influence of Nanocrystalline Structure of Iron on α-ε Phase Transformations under Pressure
p.108
p.108
EM Characterization of Precipitates in as-Cast and Annealed Ni45.5Ti45.5Nb9 Shape Memory Alloys
p.113
p.113
Twinning in Ti-48%Ni-2%Fe Single Crystals under Rolling
p.118
p.118
Phase Transformations and Shape Memory Effect in Alloys of Zr-Ni-Co System
p.123
p.123
XPS and NEXAFS Investigation of Electronic Energy Structure of Ti-Ni and TiNi-Cu Alloys
p.128
p.128
Dynamical Behavior of Martensite-Austenite Transitions: Simulations and Experiments
p.137
p.137
EM Characterization of Precipitates in as-Cast and Annealed Ni45.5Ti45.5Nb9 Shape Memory Alloys
Abstract:
Nb-rich precipitates in the matrix of as-cast and annealed Ni45.5Ti45.5Nb9 alloys are investigated by scanning and scanning transmission electron microscopy, including slice-and-view and geometric phase analysis (GPA). The Nb-rich bcc nano-precipitates in the as-cast alloy have a 10% lattice parameter difference with the B2 matrix and reveal compensating interface dislocations. The 3D reconstruction of the configuration of small Nb-rich precipitates in the annealed alloy reveals a wall-like distribution of precipitates, which may increase the thermal hysteresis of the material.
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Periodical:
Materials Science Forum (Volumes 738-739)
Pages:
113-117
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Online since:
January 2013
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