Results 121 to 130 of about 33,754 (277)
steel research international, EarlyView.High Nb (2.4 wt.%) addition to Maraging 300 steel drives lattice distortion and nanoscale Nb–Mo‐rich precipitation, confirmed by energy‐dispersive X‐ray spectroscopy mapping (Mo ~5.4 wt.%, Nb ~2.5 wt.%). Nanoindentation reveals strong matrix hardening (H >4.8 GPa) at 480°C aging, while 560°C induces ~1.92 vol.% reverted austenite, enabling tunable ...
Laylla Sharon B. Peixoto +9 more
wiley +1 more source
Effect of Martensite Volume Fraction on Strain Partitioning Behavior of Dual Phase Steel
, 2018 Monotonic deformation behavior of ferrite-martensite dual phase steels with martensite volume of 13-43% have been analyzed in the current investigation using micromechanics based finite element simulation on representative volume elements. The effects of
Paul, S K, Rana, A K, Dey, P P
core +1 more source
steel research international, EarlyView.The high‐strain‐rate behavior of resistance spot‐welded DP800–DP1000 joints is investigated. Results show that microstructural gradients across BM–HAZ–FZ govern hardness, strain rate sensitivity, and failure modes. While strength increases with strain rate, energy absorption is controlled by ductility, with DP800–DP800 joints showing superior ...
Pankaj Shrivastava, Velaphi Msomi
wiley +1 more source
Martensite is of pivotal importance in steel metallurgy as its presence in steel’s microstructure directly influences the mechanical properties. Martensitic transformations in steels are usually considered to be athermal, implying that the transformation
Ali, Basit
core +1 more source
steel research international, EarlyView.Tailored heat treatments transform additively manufactured high‐nitrogen martensitic Cr steel from austenitic as‐built condition to high‐hardness states. Isothermal bainitizing at 250°C generates an ultrafine nanostructure and achieves higher hardness than conventional hardening and tempering, highlighting a promising postprocessing route for laser ...
Philip König +2 more
wiley +1 more source
Journal of Materials Research and TechnologyIn the present work, the evolution of stress-induced martensite transformation under various deformation reductions was investigated, and the effects of martensite volume fractions on subsequent deformation behaviors were assessed.
Ye Tian +5 more
doaj +1 more source
High resolution studies in martensite [Elektronisk resurs]
, 1980 Detailed microstructural studies were performed on the lath martensite in steels containing 0.1 and 0.3 wt %-low alloy structural steels by lattice imaging. This method is providing information on the fine substructural details of dislocated martensite.
Easterling, Kenneth +2 more
core
The Effect of Nitrogen on Martensite Formation in a Cr-Mn-Ni Stainless Steel
, 1995 The influence of nitrogen (0 to 0.27 wt%) on martensite formation in an experimental low-nickel stainless-steel alloy (Fe-17Cr-7Mn-4Ni) has been investigated. The alloys containing 0.1 wt% or more nitrogen are fully austenitic at room temperature ; those
R.D. Knutsen +3 more
core +1 more source
steel research international, EarlyView.Serrations and stepwise austenite phase transformation were observed in cold‐rolled and annealed medium manganese steels. By in situ XRD experiments, these two phenomena were studied simultaneously. The results show that DSA leads to the creation of PLC bands and load drops in the specimen.
Shahroz Ahmed +6 more
wiley +1 more source
, 2018 This study was carried out to investigate the effect of thermo-mechanical treatment on the formation behavior of martensite in 316L stainless steel. Dislocation, alpha' and epsilon-martensite were formed by thermo-mechanical treatment.
Kang, Chang-Yong +2 more
core +1 more source