Results 31 to 40 of about 14,485 (279)
The effect of retained austenite stability on the formability of third generation advanced high strength steel [PDF]
This study aims to evaluate the effect of retained austenite (RA) stability on the performance of third-generation advanced high-strength steel (AHSS).
Yim Gihak +5 more
doaj +1 more source
Metastable austenitic steels react to plastic deformation with a thermally and/or mechanically induced martensitic phase transformation. The martensitic transformation to α’-martensite can take place directly or indirectly via the intermediate stage of ε-
Robert Fussik +3 more
doaj +1 more source
Effect of Sintering Holding Time and Cooling Rate on the Austenite Stability and Mechanical Properties of Nanocrystalline FeCrC Alloy [PDF]
The effects of the sintering holding time and cooling rate on the microstructure and mechanical properties of nanocrystalline Fe-Cr-C alloy were investigated. Nanocrystalline Fe-1.5Cr-1C (wt.%) alloy was fabricated by mechanical alloying and spark plasma
Gwanghun Kim +6 more
doaj +1 more source
The elevated temperature tensile behavior of a Nb-Mo microalloyed medium steel was investigated over the −50 to 150 °C temperature range. The ultimate tensile strength was significantly reduced with increasing deformation temperature, but both YS (yield ...
Wenlong Wu +4 more
doaj +1 more source
What is the stable atomic structure of NiTi austenite? [PDF]
Nitinol (NiTi), the most widely used shape-memory alloy, exhibits an austenite phase that has yet to be identified. The usually assumed austenite structure is cubic B2, which has imaginary phonon modes, hence it is unstable. We suggest a stable austenite
Johnson, Duane +3 more
core +4 more sources
A Novel Cyclic-Quenching-ART for Stabilizing Austenite in Nb–Mo Micro-Alloyed Medium-Mn Steel
In the context of obtaining an excellent elongation and tensile-strength combination in the third generation of advanced high strength steel, we emphasized the practical significance of adjusting the retained austenite fraction and stability in medium-Mn
Chunquan Liu +3 more
doaj +1 more source
Magnetic properties and electronic structure of Mn-Ni-Ga magnetic shape memory alloys
Influence of disorder, antisite defects, martensite transition and compositional variation on the magnetic properties and electronic structure of Mn$_2$NiGa and Mn$_{1+x}$Ni$_{2-x}$Ga magnetic shape memory alloys have been studied by using full potential
Barman, Sudipta Roy +3 more
core +1 more source
Austenite Stabilization of Fe-Ni Alloy
By X-ray powder diffraction and magnetometric methods we investigated the effect of phase hardening during γ-α-γ transitions. In this case austenite becomes more stable to subsequent γ-α-γ transitions, the dislocation density increases, the grain reduce in fragments and the hardness increases, too.
V.E. Danilchenko, A.V. Nedolya
openaire +1 more source
Austenite reversion during tempering of a Fe-13.6Cr-0.44C (wt.%) martensite results in an ultrahigh strength ferritic stainless steel with excellent ductility.
Choi, P. +5 more
core +1 more source
The role of silicon in carbon partitioning processes in martensite/austenite microstructures
Understanding carbon redistribution in steels is crucial in developing advanced high strength steels. For instance, Quenching & Partitioning (Q&P) processes rely on the partitioning of carbon from martensite into austenite, where at the end of the heat ...
B. Kim, J. Sietsma, M.J. Santofimia
doaj +1 more source

