An In Situ Study of Sintering Behavior and Phase Transformation Kinetics in NiTi Using Neutron Diffraction

2015 ◽  
Vol 46 (12) ◽  
pp. 5887-5899 ◽  
Author(s):  
Gang Chen ◽  
Klaus-Dieter Liss ◽  
Peng Cao
Keyword(s):  
Phase Transformation ◽  
Neutron Diffraction ◽  
Sintering Behavior ◽  
Transformation Kinetics ◽  
In Situ Study ◽  
Phase Transformation Kinetics

In Situ Study of the Influence of Nickel on the Phase Transformation Kinetics in Austempered Ductile Iron

2015 ◽  
Vol 47 (2) ◽  
pp. 661-671 ◽  
Author(s):  
Patrick Saal ◽  
Leopold Meier ◽  
Xiaohu Li ◽  
Michael Hofmann ◽  
Markus Hoelzel ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Ductile Iron ◽  
Austempered Ductile Iron ◽  
Transformation Kinetics ◽  
In Situ Study ◽  
Phase Transformation Kinetics

In-situ measurement of phase transformation kinetics in austempered ductile iron

2013 ◽  
Vol 85 ◽  
pp. 124-133 ◽  
Author(s):  
Leopold Meier ◽  
Michael Hofmann ◽  
Patrick Saal ◽  
Wolfram Volk ◽  
Hartmut Hoffmann
Keyword(s):  
Phase Transformation ◽  
Ductile Iron ◽  
In Situ Measurement ◽  
Austempered Ductile Iron ◽  
Transformation Kinetics ◽  
Phase Transformation Kinetics

Microstructural formation in Ti alloys: In-situ characterization of phase transformation kinetics

JOM ◽  
2007 ◽  
Vol 59 (1) ◽  
pp. 54-58 ◽  
Author(s):  
E. Aeby-Gautier ◽  
F. Bruneseaux ◽  
J. Da Costa Teixeira ◽  
B. Appolaire ◽  
G. Geandier ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Transformation Kinetics ◽  
In Situ Characterization ◽  
Ti Alloys ◽  
Phase Transformation Kinetics

scholarly journals In Situ Analysis of the Phase Transformation Kinetics in the β-Water-Quenched Ti-5Al-5Mo-5V-3Cr-1Zr Alloy during Ageing after Fast Heating

2020 ◽  
Vol 4 (1) ◽  
pp. 12
Author(s):  
Rafael Paiotti Marcondes Guimarães ◽  
Bruna Callegari ◽  
Fernando Warchomicka ◽  
Katherine Aristizabal ◽  
Flavio Soldera ◽  
...  
Keyword(s):  
Phase Transformation ◽  
High Energy ◽  
Transformation Kinetics ◽  
X Ray Diffraction ◽  
Fast Heating ◽  
X Ray ◽  
Β Phase ◽  
Phase Transformation Kinetics ◽  
Structural Applications

Thermal treatments are the main route to achieve improvements in mechanical properties of β-metastable titanium alloys developed for structural applications in automotive and aerospace industries. Therefore, it is of vital importance to determine phase transformation kinetics and mechanisms of nucleation and precipitation during heat treatment of these alloys. In this context, the present paper focuses on the assessment of solid-state transformations in a β-water-quenched Ti-5Al-5Mo-5V-3Cr-1Zr alloy during the early stages of ageing treatment at 500 °C. In situ tracking of transformations was performed using high-energy synchrotron X-ray diffraction. The transformation sequence β + ω → α + α”iso + β is proposed to take place during this stage. Results show that isothermal α” phase precipitates from ω and from spinodal decomposition domains of the β phase, whereas α nucleates from ω, β and also from α” with different morphologies. Isothermal α” is considered to be the regulator of transformation kinetics. Hardness measurements confirm the presence of ω, although this phase was not detected by X-ray diffraction during the in situ treatment.

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