Results 191 to 200 of about 25,521 (248)

Manganese Volatilization and Its Influence on Low-Pressure Carburizing Process Effects. [PDF]

Materials (Basel)
Atraszkiewicz R, Zgórniak P.
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Design concept and phase transformation study of advanced bainitic-austenitic medium-Mn steel. [PDF]

Sci Rep
Wojtacha A, Kozłowska A, Skowronek A, Gulbay O, Opara J, Gramlich A, Matus K.   +6 more
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EMBRYONIC FLUCTUATIONS AT MARTENSITIC PHASE TRANSFORMATION

EMBRYONIC FLUCTUATIONS AT MARTENSITIC PHASE TRANSFORMATION
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Phase Transformations of Nanocrystalline Martensitic Materials

MRS Bulletin, 2009
AbstractThe physical phenomena and engineering applications of martensitic phase transformations are the focus of intense ongoing research. The martensitic phase transformation and functional properties such as the shape-memory effect and superelasticity are strongly affected by the crystal size at the nanoscale.
Waitz, Thomas, Tsuchiya, Koichi, Antretter, Thomas, Fischer, Franz Dieter   +3 more
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Adaptive phase formation in martensitic transformation

Physical Review B, 1991
It is shown that an appearance of an intermediate martensite phase called adaptive martensite may be expected if the surface energy of a boundary between two orientational variants of the normal martensite phase is very low and the typical lattice-mismatch-related elastic energy is high.
, Khachaturyan, , Shapiro, , Semenovskaya   +2 more
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Phase-field approach to martensitic phase transformations: Effect of martensite–martensite interface energy

International Journal of Materials Research, 2011
Abstract A generalization of the phase-field theory for multivariant martensitic phase transformations is suggested that allows one to vary martensite–martensite interface energy independent of energy for austenite–martensite interfaces. The finite element method is utilized to solve the coupled phase-field and elasticity equations. Width and energy of
Valery I. Levitas, Mahdi Javanbakht
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Thermodynamic modeling of martensitic phase transformations

SPIE Proceedings, 2010
The unusual properties of shape memory alloys (SMAs) are due to solid-to-solid martensitic phase transformations (MPTs) which correspond to a lattice level instability of the crystal structure. The high temperature phase is usually a high symmetry structure and is called the austenite phase whereas the low temperature phase has a low symmetry and is
Venkata Suresh Guthikonda, Ryan S. Elliott   +1 more
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Martensitic Phase Transformations in CuAlNi Shape Memory Alloys

Advanced Materials Research, 2012
The main deformation mechanism of shape memory alloys (SMA) is martensitic phase transformation (PT). To model martensitic phase transformations in such materials, several models have been developed. In the micromechanical model developed by Levitas and Ozsoy (2009), complete system of equations that describes evolution of stresses in phases and ...
Günel, I, Babacan, Nazım, Özsoy, İstemi Barış   +2 more
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Martensitic Phase Transformation

2020
This chapter provides a summary of basic knowledge on martensitic phase transformation in general and in steels, in particular. Besides the thermodynamic aspects of martensitic phase transformation, the different transformation path’s (direct γ to α’, direct γ to e, direct e to α’ and indirect γ to e to α’) occurring in steels are described in detail ...
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Phase transformations in metastable β′ CuZn alloys—I. Martensitic transformations

Acta Metallurgica, 1973
Abstract The shape strain, substructure, crystal structure, and orientation relationship of martensite formed in metastable β′ CuZn alloys has been investigated by optical and electron microscopy and electron diffraction. “Bulk” martensite plates in a Cu-38.4 wt.% Zn alloy were found to have a slightly distorted CuAu 1 structure; for such plates ...
I. Cornelis, C.M. Wayman
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