Thermomechanical Processing
Effect of thermomechanical processing schedule on the texture and microstructure of pipeline grade API X80 microalloyed steel
... %. The hot deformation by plain strain compression was carried out in a Gleeble ® 3800 thermomechanical processing simulator with Hydrawedge. The sample sizes of 20 mm x15mm x10 mm rectangular blocks were ...
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Formation of Ultrafine Grained Structure in Plain Carbon Steels Through Thermomechanical Processing
... There is a critical condition to produce UFF through the DSIT route which could vary with thermomechanical processing history as well as steel composition. The reduction required for UFF formation through ...
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Microstructural Evolution of Nb-V-Mo and V Containing TRIP assisted Steels during Thermomechanical Processing
... Fig. 6 gives typical carbon extraction replica micrographs showing the presence of microalloy precipitates in both steels. TEM analysis of microalloy precipitates showed that the precipitates have an FCC crystal ...
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Structure and Properties of the Ti–50 0 at%Ni Alloy after Strain Hardening and Nanocrystallizing Thermomechanical Processing
... the thermomechanical processing aims mainly to heighten the yield strength of a material, while facilitating the occurrence of martensitic transforma- tion under ...
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Friction-stir welding of ultrafine grained austenitic 304L stainless steel produced by martensitic thermomechanical processing
... martensitic thermomechanical processing and joined by applying friction stir welding ...martensitic thermomechanical processing comprised a cold roll procedure up to 80% reduction followed by ...
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Balancing of Mechanical Properties of Ti 4 5Fe 7 2Cr 3 0Al Using Thermomechanical Processing and Rapid Heat Treatment
... processing route. This comparatively low temperature was chosen to eliminate dynamic recrystallization and accumu- late a high density of deformation defects. The micro- structure obtained by ...
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Evolution of microstructure and precipitationstate during thermomechanical processing of a X80 microalloyed steel
... interface, which can give rise to carbon-enriched austenite due to the partitioning of carbon [20]. On the other hand, it is known that the refinement of ferritic microstructure is enhanced by a fine-grained austenite ...
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Ti-Nb-(Zr,Ta) superelastic alloys for medical implants : thermomechanical processing, structure, phase transformations and functional properties
... by thermomechanical processing conditions, such as severity of plastic deformation, post-deformation annealing temperature and cooling rate [9], ...to thermomechanical processing including ...
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Effect of early stages of thermomechanical processing on inclusions in high carbon steel
... and thermomechanical processing on size, size distribution, distribution and chemistry of non-metallic inclusions in a continuously cast high carbon steel was investigated using a Gleeble hot compression ...
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Texture Evolution of Non-Oriented Electrical Steels during Thermomechanical Processing
... the thermomechanical processing steps used to produce the thin sheets, and the metallurgical mechanisms that govern the evolution of texture during thermomechanical processing have not been ...
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Thermomechanical processing of 34CrNiMo6 steel for Large Scale Forging
... Strength is one of the main mechanical properties of metals and alloys, and is a very important measure of a material's ability to perform the required applications. Strength is defined as the amount of stress that a ...
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Improvement of the functional properties of nanostructured Ti-Ni shape memory alloys by means of thermomechanical processing
... after thermomechanical treatment (TMT) with different combinations of severe cold and warm rolling (CR and WR), as well as intermediate and post-deformation annealing (IA and PDA) technological ...less ...
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Thermomechanical processing route to achieve ultrafine grains in low carbon microalloyed steels
... The materials used in the research consisted of two laboratory cast microalloyed steels containing Nb (designated “Nb steel” ), and Nb and Ti (designated “Nb - Ti steel”), which were made by vacuum induction melting and ...
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Microstructure Evolution and Tensile Deformation in Mg Alloy AZ61 Through Thixomolding and Thermomechanical Processing.
... Twin roll casting (TRC) is a process that integrates the casting and rolling pro- cesses, and has been successfully applied to large-scale aluminum sheet production [83]. The rolls can be oriented either horizontally or ...
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Characterisation of strain-induced precipitation behaviour in microalloyed steels during thermomechanical controlled processing
... of thermomechanical processing (TMP) occurs in the fully austenite non-recrystallisation region to avoid the partial recrystallization structures and refine the final grain ...
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Investigating thermal behaviour of glass fibre by thermomechanical analysis
... was obtained. The results from isothermal measurement showed significant fibre length shrinkage above 300°C. The length contraction was found to follow a logarithmic function of time. This implies that hyperquenched ...
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Mathematical Modeling of the Thermomechanical Effect of Geofluid on Fracture Walls
... Therefore the thermal strain and the porosity of the rock matrix are used to perturb initial conditions from which second order differential equations ODEs are attained to yield analytic[r] ...
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Thermomechanical Treatment Influence on the Cutting Behaviour of the HSS Tools
... of thermomechanical treatment to the high-speed steels had a positive effect on the mechanical and technological ...The thermomechanical treatment applied to the high-speed steels was of high temperature ...
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The thermal behaviour of glass fibre investigated by thermomechanical analysis
... A TMA procedure has been developed with the capability of probing the thermal behaviour of glass fibre. A single glass fibre was successfully mounted into TMA fibre configuration and several thermomechanical ...
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Applying Thermomechanical Analogy to Predict the Arterial Residual Stress State
... corresponding thermomechanical problem of an associated closed tube is ...the thermomechanical analogy for obtaining the arterial residual stresses, and (iii) the use of the thermomechanical analogy ...
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