Results 11 to 20 of about 1,610,142 (307)

Lavrentiev Phenomenon in Microstructure Theory [PDF]

open access: yes, 1996
A variational problem arising as a model in martensitic phase transformation including surface energy is studied. It explains the complex, multi-dimensional pattern of twin branching which is often observed in a martensitic phase near the austenite ...
Winter, M, Matthias Winter
core   +6 more sources

The Stability of NiTi shape memory alloys and actuator applications

open access: yes, 1999
Recent research and development in the area of shape memory alloys (SMA) continues to yield novel and unique results. Of the alloys that display the effect NiTi alloys have found the most commercial interest resulting in a number of niche applications ...
Morgan, Neil
core   +7 more sources

A constitutive model for analyzing martensite formation in austenitic steels deforming at high strain rates [PDF]

open access: yes, 2012
This study presents a constitutive model for steels exhibiting SIMT, based on previous seminal works, and the corresponding methodology to estimate their parameters.
FERNANDEZ-SAEZ, José   +5 more
core   +1 more source

Interplay of Martensitic Phase Transformation and Plastic Slip in Polycrystals [PDF]

open access: yes, 2013
Inspired by key experimental and analytical results regarding Shape Memory Alloys (SMAs), we propose a modelling framework to explore the interplay between martensitic phase transformations and plastic slip in polycrystalline materials, with an eye ...
Richards, A. W.   +3 more
core   +1 more source

Advances in martensitic transformations in Cu-based shape memory alloys achieved by in situ neutron and synchrotron X-ray diffraction methods [PDF]

open access: yes, 2012
This article deals with the application of several X-ray and neutron diffraction methods to investigate the mechanics of a stress induced martensitic transformation in Cu-based shape memory alloy polycrystals. It puts experimental results obtained by two
Sophie Berveiller   +7 more
core   +1 more source

Experimental and numerical analysis on the martensitic transformation in AISI 304 steel sheets subjected to perforation by conical and hemispherical projectiles [PDF]

open access: yes, 2013
Lien vers la version éditeur: http://www.sciencedirect.com/science/article/pii/S0020768312004039In this work, an experimental and numerical analysis of the martensitic transformation in AISI 304 steel sheets subjected to perforation by conical and ...
Rodríguez-Martínez, José Antonio   +10 more
core   +1 more source

Semi phenomenological modelling of the behavior of TRIP steels [PDF]

open access: yes, 2010
The authors are grateful to ArcelorMittal R&D for supporting this research.A new semi-phenomenological model is developed based on a mean-field description of the TRIP behavior for the simulation of multiaxial loads.
M. Berveiller   +5 more
core   +1 more source

Influence of the cooling rate below Ms on the martensitic transformation in a low alloy medium-carbon steel

open access: yesJournal of Materials Research and Technology, 2021
The influence of cooling rate below the martensite start temperature, Ms, on the kinetics of martensitic transformation in a medium carbon low alloy steel was determined using high resolution dilatometry, optical microscopy and X-ray diffraction ...
J.H. Liu   +3 more
doaj   +1 more source

Features of Relaxation Processes During Martensitic Transformation

open access: yesУспехи физики металлов, 2005
The development of the new alloys, which undergo martensitic transformation, with the specified set of physical-mechanical properties cannot be realized without knowledge of the martensitic transformation.
Yu. M. Koval’
doaj   +1 more source

Effect of C on the Martensitic Transformation in Fe-C Alloys in the Presence of Pre-Existing Defects: A Molecular Dynamics Study

open access: yesCrystals, 2019
Molecular dynamics simulations are used to investigate the atomic effects of carbon (C) addition in Fe on the martensitic phase transformation in the presence of pre-existing defects such as stacking faults and twin boundaries.
Shivraj Karewar   +2 more
doaj   +1 more source

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