Understanding the phase transformation mechanisms that affect the dynamic response of Fe-based microstructures at the atomic scales

2021 ◽  
Vol 130 (21) ◽  
pp. 215902
Author(s):  
Avanish Mishra ◽  
Jonathan Lind ◽  
Mukul Kumar ◽  
Avinash M. Dongare
Keyword(s):  
Phase Transformation ◽  
Dynamic Response ◽  
Transformation Mechanisms

One-step synthesis of honeycomb-like AlPO4-11 macrostructures based on epitaxial growth and phase transformation mechanisms

2016 ◽  
Vol 52 (11) ◽  
pp. 2253-2256 ◽  
Author(s):  
Shuo Tao ◽  
Xiaolei Li ◽  
Renshun Xu ◽  
Dawei Li ◽  
Quanqun Zhang ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Epitaxial Growth ◽  
Transformation Mechanisms ◽  
One Step

Honeycomb-like AlPO4-11 macrostructures have been directly synthesized based on in situ epitaxial growth and phase transformation mechanisms.

Residual Stresses in Multilayer Welds with Different Martensitic Transformation Temperatures Analyzed by High-Energy Synchrotron Diffraction

2011 ◽  
Vol 681 ◽  
pp. 37-42 ◽  
Author(s):  
Arne Kromm ◽  
Thomas Kannengiesser ◽  
Jens Altenkirch ◽  
Jens Gibmeier
Keyword(s):  
Residual Stress ◽  
Phase Transformation ◽  
Residual Stresses ◽  
Weld Metal ◽  
High Energy ◽  
X Ray Diffraction ◽  
Surface Areas ◽  
Transformation Mechanisms ◽  
Positive Effect ◽  
Compressive Residual Stresses

Low Transformation Temperature (LTT) alloys were developed in order to control the residual stress development by the martensitic phase transformation already during cooling of the weld metal. The positive effect of such LTT alloys on the mitigation of detrimental tensile residual stresses during welding has already been confirmed on the basis of individual laboratory tests. Within the current project it was experimentally investigated whether the phase transformation mechanisms are effective under increased restraint due to multi-pass welding of thicker specimens. The local residual stress depth distribution was analyzed non-destructively for V-type welds processed by arc welding using energy dispersive synchrotron X-ray diffraction (EDXRD). The use of high energy (20 keV to 150 keV) EDXRD allowed for the evaluation of diffraction spectra containing information of all contributing phases. As the investigated LTT alloy contains retained austenite after welding, this phase was also considered for stress analysis. The results show in particular how the constraining effect of increased thickness of the welded plates and additional deposited weld metal influences the level of the residual stresses in near weld surface areas. While the longitudinal residual stresses were reduced in general, in the transition zone from the weld to the heat-affected zone (HAZ) compressive residual stresses were found.

Growth and Phase-Transformation Mechanisms of Nanocrystalline CdS in Na2S Solution

2008 ◽  
Vol 112 (25) ◽  
pp. 9229-9233 ◽  
Author(s):  
Yansong Xiong ◽  
Jing Zhang ◽  
Feng Huang ◽  
Guoqiang Ren ◽  
Weizhen Liu ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Transformation Mechanisms

Phase transformation mechanisms during Quenching and Partitioning of a ductile cast iron

2019 ◽  
Vol 179 ◽  
pp. 1-16 ◽  
Author(s):  
Arthur S. Nishikawa ◽  
Goro Miyamoto ◽  
Tadashi Furuhara ◽  
André P. Tschiptschin ◽  
Hélio Goldenstein
Keyword(s):  
Phase Transformation ◽  
Cast Iron ◽  
Ductile Cast Iron ◽  
Quenching And Partitioning ◽  
Transformation Mechanisms

High-Performance Titanosilicate Catalyst Obtained through Combination of Liquid-Phase and Solid-Phase Transformation Mechanisms

ChemCatChem ◽  
2014 ◽  
Vol 6 (9) ◽  
pp. 2719-2726 ◽  
Author(s):  
Jingui Wang ◽  
Yanli Zhao ◽  
Toshiyuki Yokoi ◽  
Junko N. Kondo ◽  
Takashi Tatsumi
Keyword(s):  
Phase Transformation ◽  
Liquid Phase ◽  
High Performance ◽  
Solid Phase ◽  
Transformation Mechanisms ◽  
Solid Phase Transformation
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