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Austenite stability and deformation behavior in a cold

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The Interplay between Grain Size and Austenite Stability

TWIP effect was observed in NG/UFG steel,whereas TRIP effect was evidenced in CG alloy.The observed change in the deformation mechanism with change in grain size is attributed to increased stability of austenite with decrease in grain size,and is explained in terms of austenite stability-strain energy relationship.The Interplay between Grain Size and Austenite Stability TWIP effect was observed in NG/UFG steel,whereas TRIP effect was evidenced in CG alloy.The observed change in the deformation mechanism with change in grain size is attributed to increased stability of austenite with decrease in grain size,and is explained in terms of austenite stability-strain energy relationship.The Effects of Strain Rate and Temperature on the In the present study,the influences of temperature and strain rate on the deformation behavior of coldrolled TRIP800 steel were investigated.Microstructural observation and tensile tests were performed and volume fractions of retained austenite were measured at

Temperature ( Austenite stability and deformation behavior in a cold#176;C) Grain size (m) 730 0.47 750 0.56 770 0.64 800 1.21 Oct 9 2020Author:Z.H.Cai,H.Ding,R.D.K.Misra,Z.Y.YingCited by:214Publish Year:2015Austenite stability and deformation behavior in a cold

Was this helpful?Austenite stability and deformation behavior in a cold Feb 01,2015 Austenite stability and deformation behavior in a cold#0183;We elucidate here the impact of grain size and manganese concentration on the austenite stability and the deformation behavior of a cold-rolled transformation-induced plasticity (TRIP) steel with a nominal chemical composition of Fe11Mn4Al0.2C (wt.%).Intercritical hardening at 770 Austenite stability and deformation behavior in a cold#176;C led to a ferriteaustenite mixed microstructure,which was characterized by an excellentStability of Retained Austenite in High-Strength Jan 01,2018 Austenite stability and deformation behavior in a cold#0183;2.2.Stability of retained austenite during cold deformation The stability of retained austenite and its transformation to strain-induced martensite during cold deformation is of key importance,which is why the behaviour of retained austenite under load needs to be characterized.Significance of interplay between austenite stability and We elucidate here the impact of grain size and manganese concentration on the austenite stability and the deformation behavior of a cold-rolled transformation-induced plasticity (TRIP) steel with

Reversion hnechanism from Deformation Induced

Reversion Behavior of Deformation Induced Mar-manyexperimental results as shown in Fig.3.The tensite percentage in Fig.4represent the amountof reversed y.Figure 3showsthe effect of chemical compositions on In the 18Cr-9Nisteel,the annealing time dependenceis the reversion behavior from deformation induced o(to observed in the reversion Previous123456NextAustenite Stability and Its Effect on the Ductility of the The mechanical and thermal stability of retained austenite in the cold-rolled medium-Mn (Fe-0.1C-5Mn) steel were studied by the tensile deformation at different temperature.The volume fractions of retianed austenite and microstructure of the starting and deformed materials were analyzed by X-ray diffraction,Previous123456Next

Microstructure Evolution of Cold Pilgering Stainless Steel

However,austenite stability in the cold rolling state is relatively high.The steel tube is mainly subjected to three-direction compressive stress,so less martensite is induced.The phase change will have a direct impact on the mechanical properties of the material. II analysis of plastic deformation behavior, Rare Metal Materials and Microstructure Evolution of Cold Pilgering Stainless Steel However,austenite stability in the cold rolling state is relatively high.The steel tube is mainly subjected to three-direction compressive stress,so less martensite is induced.The phase change will have a direct impact on the mechanical properties of the material. II analysis of plastic deformation behavior, Rare Metal Materials and Microstructural Evolution and Deformation Behavior of a Jan 22,2014 Austenite stability and deformation behavior in a cold#0183;The microstructural evolution following tensile deformation of a hot-rolled and heat treated Fe-8Mn-4Al-0.2C steel was studied.Quenching in the range of 750-800 Austenite stability and deformation behavior in a cold#176;C followed by tempering at 200 Austenite stability and deformation behavior in a cold#176;C led to a ferrite-austenite mixed microstructure that was characterized by excellent combination of tensile strength of 800-1000 MPa and elongation of 30-40%,and a three-stage work hardening behavior.

Micro Plastic Deformation Behavior of Carbide-Free

Oct 22,2020 Austenite stability and deformation behavior in a cold#0183;1.Introduction.Carbide-free bainitic steel is mainly composed of bainitic ferrite (BF) and carbon-rich retained austenite (RA) [1,2].RA is distributed between BF lathes and/or sheaves,possessing different stabilities,and the two phases coordinate with each other during deformation,thereby guaranteeing an excellent balance of strength and toughness,especially when the coarse,Influence of pre-strain on microstructural characteristics Cai ZH,Ding H,Misra RDK,Ying ZY (2015) Austenite stability and deformation behavior in a cold-rolled transformation-induced plasticity steel with medium manganese content.Acta Mater 84:229236.CAS Google ScholarEffects of Retained Austenite Stability and Volume The effects of austenite stability on the strength,ductility and formability of TRIP steels are first examined based on the microstructure of a commercial TRIP 800 steel.Then,the separate effects of the austenite volume fraction on the overall deformation behaviors of TRIP steels are examined based on the various representative volume

Effect of Microstructure on Tensile Behavior and

In the present study,a quenching treatment prior to two-stage heat treatment was conducted on a Fe0.28C1.55Mn2.06Al transformation-induced plasticity steel to tailor the final microstructure.Compared with the microstructure of the ferrite,bainite and blocky retained austenite obtained by conventional two-stage heat treatment,the microstructure subjected to quenching plus two-stage Effect of Elevated Deformation Temperatures on In both cases,some amount of heat is generated in the deformed sheets [27,28].The stability of retained austenite gradually increases with increasing deformation temperature [23,26,29,30].Thus,it is very important to assess the e ectiveness of the SIMT at elevated deformation temperatures.Dependence of austenite stability and deformation behavior Austenite stability and deformation behavior in a cold#0183;Thus the effect of treatment parameter on austenite stability and deformation behavior is hard to be separately investigated.As discussed above,an appropriate degree of austenite stability,by mediating the related TRIP effect,is of significant importance for the microstructure and the corresponding mechanical property.

Deformation behavior of ferriteaustenite duplex

Apr 01,2012 Austenite stability and deformation behavior in a cold#0183;The deformation behavior of a duplex lightweight FeMnAlC steel having a bimodal structure consisting of clustered austenite particles with a coarse ferrite matrix has been investigated.It shows that most of the deformation is accommodated by the ferrite,while the clustered austenite particles undergo a deformation-induced martensitic Deformation Microstructure and Deformation-Induced deformation-induced nucleation of martensite in austen-ite with dierent stabilities and SFEs.The deformation behavior was investigated in ternary Fe-Cr-Ni model alloys with varying nickel contents to incrementally control the austenite stability.The alloys were produced using arc-melting of pure iron ( Austenite stability and deformation behavior in a coldgt;99.99 wt pct purity),chromium ( Austenite stability and deformation behavior in a coldgt;99 Deformation Microstructure and Deformation-Induced Oct 28,2016 Austenite stability and deformation behavior in a cold#0183;The deformation behavior was investigated in ternary Fe-Cr-Ni model alloys with varying nickel contents to incrementally control the austenite stability.The alloys were produced using arc-melting of pure iron ( Austenite stability and deformation behavior in a coldgt;99.99 wt pct purity),chromium ( Austenite stability and deformation behavior in a coldgt;99.99

Cited by 214Publish Year 2015Author Z.H.Cai,H.Ding,R.D.K.Misra,Z.Y.YingAustenite stability and deformation-induced transformation

Nov 04,2020 Austenite stability and deformation behavior in a cold#0183;A comparison of the three samples annealed at different temperatures shows that the stability of austenite may be the only cause for the observed differences.Therefore,the stability of austenite was quantitatively studied,and the deformation behavior was explained by introducing the modes of deformation-induced martensitic transformation.Cited by 214Publish Year 2015Author Z.H.Cai,H.Ding,R.D.K.Misra,Z.Y.YingAustenite stability and deformation behavior in a cold We elucidate here the impact of grain size and manganese concentration on the austenite stability and the deformation behavior of a cold-rolled transformation-induced plasticity (TRIP) steel with a nominal chemical composition of Fe11Mn4Al0.2C (wt.%).Author T.P.Zhou,C.Y.Wang,C.Wang,W.Q.Cao,Z.J.ChenPublish Year 2020Austenite stability and deformation-induced transformation We elucidate here the impact of grain size and manganese concentration on the austenite stability and the deformation behavior of a cold-rolled transformation-induced plasticity (TRIP) steel with

Austenite Stability and Its Effect on the Ductility of the

The mechanical and thermal stability of retained austenite in the cold-rolled medium-Mn (Fe-0.1C-5Mn) steel were studied by the tensile deformation at different temperature.The volume fractions of retianed austenite and microstructure of the starting and deformed materials were analyzed by X-ray diffraction,the scanning electron microscopy Austenite Stability Effects on Tensile Behavior of Apr 27,2011 Austenite stability and deformation behavior in a cold#0183;Manganese enrichment of austenite during prolonged intercritical annealing was used to produce a family of transformation-induced plasticity (TRIP) steels with varying retained austenite contents.Cold-rolled 0.1C-7.1Mn steel was annealed at incremental temperatures between 848 K and 948 K (575 Austenite stability and deformation behavior in a cold#176;C and 675 Austenite stability and deformation behavior in a cold#176;C) for 1 week to enrich austenite in manganese.An anomalous effect of grain refinement on yield stress in Likewise,in our previous work,by conducting FSP on a duplex ferritic lightweight steel ,it was observed that yielding behavior of as annealed sample was different with the processed samples and an unexpected deviation from Hall-Petch effect was observed which was associated with stability of austenite and an anomalous effect of grain

A Descriptive Model on the Grain Size Dependence of

Jun 11,2020 Austenite stability and deformation behavior in a cold#0183;A descriptive model is presented on the austenite grain size dependence of deformation and martensitic transformation upon tensile loading of a metastable 301L grade austenitic stainless steel.Cold rolling and subsequent short-duration annealing of the as-received coarse-grained material at 973 K to 1023 K (700 Austenite stability and deformation behavior in a cold#176;C to 750 Austenite stability and deformation behavior in a cold#176;C) resulted in a mixed microstructure consisting of fine and ultra 2.4.The critical factor governing austenite stability12345NextAustenite stability and deformation-inducedWe elucidate here the impact of grain size and manganese concentration on the austenite stability and the deformation behavior of a cold-rolled transformation-induced plasticity (TRIP) steel with

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