[PDF] Top 20 art hfgabreu Cold deformation effect

... of deformation employed in AISI 316 steel is not observed ...cyclic deformation behavior and the plasticity-induced martensite formation of meta- stable austenitic stainless steels at ambient and high ... See full document

... A 1.9 mm thick sheet of AISI 301LN steel (nominal composition shown in Table 1) was solution treated at 1050 °C and cold rolled to 1.43 mm, 1.0 mm, 0.5 mm, 0.27 mm and 0.16 mm. Table 2 shows the true strain and ... See full document

... to deformation heterogeneities and the microstruture became lamellar, with boundaries aligned parallel to the rolling direction ...52%), deformation heterogeneities appeared in the microstructure to ... See full document

... shear deformation that occurs during rolling, whereas surface texture is caused by the surface roughness of the ...shear deformation has a zero value in the centre plane but reaches a maximum value at the ... See full document

... hardening effect, due to the precipitation of Fe–Mo ...This effect can be enhanced by an increase of the Mo content and by cold deformation before aging, as pointed out by Jin et ... See full document

... propagation, while HAGBs have lower resistance to crack formation due to the stored energy because of the higher incompatible lattice fit. How- ever, the correlation of MAGBs and special grain boundary (CSL) distri- ... See full document

... previous deformation are easy to quantify, but the ones cold rolled 60% and aged are very difficult to obtain good pattern by ...of cold rolled specimens was only obtained with an acceptable quality ... See full document

... resistance to deformation, and are highly prone to crack formation and propagation, as indicated by the red colour in the Taylor fac- tor maps. Fig. 13 displays the distribution of Taylor factor in the TMCP ... See full document

... Quenching followed by tempering is an effective way to obtain a good combination of toughness, formability, and also improve of the fatigue life. Quenching forms small voids and vacancies due to prismatic dislocation ... See full document

... In the present work, the susceptibility to martensitic transformation induced by cold rolling in a low Ni, Mn–Cu–N alloyed stainless steel, called 201 modified, was studied. This grade belongs to the 200 series ... See full document

... measured for 80% cold-rolled Mar350 using thermomagnetic analysis. The temperatures were found to be 690 °C, 800 °C, 175 °C, and 130 °C, respectively [7]. These temperatures change with the degree of ... See full document

... The effect of grain size on mechanical properties is a challenging ...blocking effect depends on the bound- ary nature and can be quantified by a Hall–Petch equation, 13 which states that plastic ... See full document

... this effect, but given the cost and time associated with it, standard TEM sample preparation was chosen knowing that the affected region caused by the final grinding step with 1200 grit is ∼ 26 m μ for both sides, ... See full document

... plastic deformation, two of the most important for the understanding of the mechanical behavior of metallic materials during deformation are the dislocations density and the crystallographic ...the ... See full document

... deformation temperature and held isothermally for 5 min, prior to straining. The specimens were then compressed to a true strain of 0.4 using an Instron-4208 universal testing machine, equipped with electrical ... See full document

... Ferritic stainless steels are widely used in general indus- try because they have good mechanical properties and good corrosion resistance [1]. Studies have been published about the effect that increased Mo ... See full document

... and cold rolling deformation, the yield strength and Δσ (The diference between the maximum yield stress and the minimum yield stress) of samples were listed in table ...rolling deformation to 50%, ... See full document

... In the present work, an exponential shear deformation theory is presented for orthotropic plate analysis. The displacement model contains exponential terms in addition to classical plate theory terms. The numbers ... See full document

... and thus not suitably representative for analyzing the texture. Figure 4 shows the dilatometry curves obtained by heating the samples continuously, as well as the derivatives of the curves. Figures 4a and d show that a ... See full document

... Entre 620ºC e 670ºC, em ambientes onde a resistência à corrosão torna-se preponderante sobre a resistência à fluência, torna-se viável a aplicação dos aços austeníticos (apesar [r] ... See full document