martensite phase
Microstructural Characterizations Following Friction Stir Welding of Dissimilar Alloys of Low and High Carbon Steels
... ferrite phase + glob- ular cementite phase duplex structure in SK85 and the single- ferrite phase in SPHC were transformed fully into a single austenite phase during the FSW heating cycle and ...
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Experimental study on two way shape memory effect training procedure for NiTiNOL shape memory alloy
... its martensite phase transform to the parent phase structure in its austenite phase after heat is ...parent phase (austenite) and deformed phase (martensite) shapes ...
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The Effects of Aging on the Degree of Order in Cu Al Ni Shape Memory Alloys
... Figure 3(a) and (b) show the X-ray patterns for an as- quenched Cu-15.5Al-4.0Ni powder sample and for the aged one at 200°C for an hour, respectively. Since this sample contains 2 mass% more Al than the sample shown in ...
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Optical Microscopic Study on NiCoMnAl Metamagnetic Shape Memory Alloy by In Situ Observation under a Pulsed High Magnetic Field
... the martensite phase forms by cooling, as shown in ...of martensite growth caused by the collisions of the variants are often observed, as shown by the ...
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Transmission Electron Microscopy of Twins in 10M Martensite in Ni Mn Ga Ferromagnetic Shape Memory Alloy
... the martensite phase of various shape memory alloys, since the twinning shear of the compound twin is smaller than that of the Type I and Type II ...
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Computational Modeling of Honeycomb Structures with Shape Memory Alloys
... Thermo-mechanical characteristics of SMA can be found in the temperature-stress-phase graph of Fig. 1. Three major phases exist: austenite, twinned martensite, and detwinned martensite. Other than ...
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Wear Resistance of Industrial Pure Iron Treated by Nitriding and Quenching Followed by Aging Process
... nitrogen martensite phase formed in the material surface for industrial pure iron, treated by nitriding and quenching followed by aging process were studied ...nitrogen martensite phase, ...
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Embedded Shape Memory Alloy Particles for the Self-Sensing of Fatigue Crack Growth in an Aluminum Alloy.
... the recorded AE signals, the DIC results from Ni-Ti specimens were analyzed. Two AE sensors were attached to each specimen, allowing for an approximate location for each AE event to be calculated in one dimension along ...
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Damping Capacity of Fe 17mass%Mn High Damping Alloy with Variant Controlled Microstructure
... ¾-martensite phase, 6) a detailed analysis on ¾- martensite phase is ...¾-martensite phase and (111) pole figure of £-austenite in the sample without training treatment, ...
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Relation between Vickers Hardness and Bragg Edge Broadening in Quenched Steel Rods Observed by Pulsed Neutron Transmission Imaging
... a martensite phase in a 2 cm thick quenched-ferritic steel sample was quantitatively mapped in real space by a Bragg-edge broadening analysis of spectral data from a pulsed neutron transmission ...the ...
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Influence of Martensite Volume Fraction on Mechanical Properties of High Mn Steel
... of martensite. Presence of a reasonable amount of martensite phase will greatly en- hance the mechanical properties of the ...austenite phase transforms to tetragonal mart- ensite phase ...
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Formation Mechanism of Lath Martensite in Steels
... I wish to express my gratitude to Professor T. Koyama and Associate Professor Y. Tsukada of Nagoya University for their useful discussion; in particular, they suggest consid- erably the progression from TTSD model to ...
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Dual Phase Steel Characterization for Tube Bending and Hydroforming Applications
... dual phase steels have been well researched over the past five decades, the current work contributes to advances in understanding of these steels in two ...dual phase steels undergoing tube bending and ...
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Hysteretic control influence operators representing smart material actuators: identification and approximation
... the low temp erature or martensite phase is achieved.. Several variants of the martensite including multiple.[r] ...
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Application of Smart Material in Structural Engineering for Eco Friendly Buildings
... in martensite phase ...the martensite has a parallelogram asymmetric structure having up to 24 ...in martensite phase is subjected to external stress, it deformed through a detwining ...
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EBSD characterization of cryogenically rolled type 321 austenitic stainless steel
... -martensite during growth of the martensitic phase with crystallographic orientation close to (25 o /55 o ;0 o ;0 o ). In (c), the variant-pairing frequency in / -martensite is shown. The processes ...
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Effect of microstructure factors on abrasion resistance of high strength steels
... as martensite, ferrite + pearlite and ferrite + martensite with abrasion resistance for a high strength low alloy steel were referred to offer a good wear behaviour (Jha et ...
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Position-dependent shear-induced austenite-martensite transformation in double-notched TRIP and dual-phase steel samples
... the phase fraction and the changes in average carbon concentration of metastable austenite together with the local strain components in the constituent phases as a function of the macroscopic stress and location ...
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Effect of the morphology of the martensite-austenite phase on fracture of the weld heat affected zone in vanadium and niobium microalloyed steels
... and martensite films 37 to be a significant factor in relating microstructure to toughness ...the martensite films as being similar to the brittle grain boundary carbides present in the ferrite-pearlite ...
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Magnetic Field Induced Stresses and Magnetostrain Effect in Martensite
... martensitic phase the theo- retical strain–field dependencies can be derived phenomeno- logically with regard to the similarity between the mechanical and field-induced ...
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