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Keywords: martensitic transformations
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2008, 130(1): 011003.
Published Online: December 20, 2007
... and it is able to simulate the effects of applied stresses on the TWSME as well as partial thermal cycles, which generate incomplete martensitic transformations. A systematic comparison between experimental measurements, carried out under different values of applied stress, and numerical predictions...
Journal Articles
Article Type: Special Section On Damping Of Shape Memory Alloys, Composites, And Foams
J. Eng. Mater. Technol. July 2006, 128(3): 346–355.
Published Online: April 11, 2006
... Engineering. 01 09 2005 11 04 2006 shape memory effects elastic hysteresis martensitic transformations Nickel-titanium (NiTi) shape memory alloys (SMAs) exhibit pseudoelastic hysteresis behavior (Fig. 1 ) associated with stress-induced austenite-martensite phase...
Journal Articles
Article Type: Special Section On Damping Of Shape Memory Alloys, Composites, And Foams
J. Eng. Mater. Technol. July 2006, 128(3): 279–284.
Published Online: March 3, 2006
.... The heat exchange with the surroundings is introduced using a Newtonian-approach with a constant coefficient, δ . T R is the room temperature. Moreover, the latent heat of martensitic transformation is taken into account. As the simplest possibility, a constant amount of energy per...
Journal Articles
Article Type: Special Section On Damping Of Shape Memory Alloys, Composites, And Foams
J. Eng. Mater. Technol. July 2006, 128(3): 268–278.
Published Online: February 26, 2006
...P. Šittner; V. Novák; P. Lukáš; M. Landa Thermomechanical behavior of superelastic NiTi wires undergoing sequential B 2 - R - B 19 ′ martensitic transformation was investigated by two recently developed in-situ experimental methods (in-situ neutron diffraction and combined ultrasonic and electric...
Journal Articles
Article Type: Special Section On Damping Of Shape Memory Alloys, Composites, And Foams
J. Eng. Mater. Technol. July 2006, 128(3): 260–267.
Published Online: January 24, 2006
... effects viscoelasticity martensitic transformations damping elastic moduli 07 09 2005 24 01 2006 2006 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 423–433.
Published Online: March 7, 2005
... boundary in reverse to that observed during relaxation. This process has the diffusionless nature and the invariant-plane strain of a martensitic transformation and is similar to those in shape memory alloys in phenomenology. The reversibility of the relaxation and loading processes endows the nanowires...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2005, 127(1): 83–89.
Published Online: February 22, 2005
... martensite transformation, is defined by the intersection of the lines tangent to the curves in regime I and the initial portion of regime II. In Fig. 7 , E 1 denotes the area within the hysteresis loop, whereas E 2 denotes the area under the unloading curve. Figure 8 shows...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2003, 125(4): 346–352.
Published Online: September 22, 2003
...A. M. Karlsson Recent studies have shown that Pt-aluminide—a common bond coat material in thermal barrier coatings—undergoes martensitic transformations during thermal cycling. The transformations are associated with both large transformation strain and a strain hysteresis, leading to accumulation...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2003, 125(3): 266–276.
Published Online: July 10, 2003
... elastoplasticity solid-state phase transformations diffusion martensitic transformations chemical potential micromechanics The chemical part of Helmholtz free energy is expressed as φ chem . Typically φ chem is written per unit volume, whereas in physical chemistry...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2003, 125(1): 12–17.
Published Online: December 31, 2002
...R. Kubler; M. Berveiller; M. Cherkaoui; K. Inal During the martensitic transformation in elastic-plastic materials, the local transformation strain as well as the plastic flow inside austenite are strongly related with the crystallographic orientation of the austenitic lattice. Two mechanisms...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2002, 124(4): 397–401.
Published Online: September 30, 2002
... titanium alloys shape memory effects martensitic transformations reverse martensitic transformations differential scanning calorimetry bending finite element analysis NiTi Training Bending Two-Way Shape Memory Effect TWSME FE Simulation Among the shape memory alloys (SMA) binary...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2002, 124(2): 112–124.
Published Online: March 26, 2002
... yy , σ yy plane. These tests will be devoted to the martensitic transformation study and particularly the variants coalescence and re-orientation. To whom correspondence should be addressed. Fax: +33 3 81 66 67 00, Email...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. January 2002, 124(1): 1.
Published Online: January 1, 2002
...Mohammed Cherkaoui, Professor; La´szlo´ S. To´th, Professor micromechanics plasticity dislocation motion twinning internal stresses inclusions elastoplasticity viscoplasticity grain size martensitic transformations dislocation structure crystal microstructure grain boundaries...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2002, 124(1): 55–61.
Published Online: June 28, 2001
... manuscript received June 28, 2001. Guest Editors: Mohammed Cherkaoui and La´slo´ S. To´th. 23 March 2001 28 June 2001 plasticity micromechanics creep martensitic transformations ductility plastic flow To ensure that steel remains the material of choice for automotive bodies...