effect of aluminum alloying on the hot deformation

(PDF) Effect of the Degree of Plastic Deformation on the

Experiments have been conducted to investigate the effect of the degree of plastic deformation on the electrical resistance and thermal conductivity of Al-Mg-Si (6063) alloy.

(PDF) Effects of Zr and V Micro-Alloying on Activation

The hot deformation behaviors of TC4-DT alloy in the temperature range of 850~980°C and strain rate range of 0.001~10 s-1 have been studied by hot compressing testing on a Gleeble-1500D simulator Aluminum Alloys Effects of Alloying ElementsIts effect on aluminum-silicon alloys is to increase strength and decrease elongation, but it does not make these alloys heat treatable. Carbon may occur infrequently as an impurity in aluminum in the form of oxycarbides and carbides, of which the most common is A1 4 C 3 , but carbide formation with other impurities such as titanium is possible.

Effect of Alloying Elements on Machinability and Hot

KS EL-F is one of such alloys and has a significantly improved hot workability3). The KS EL-F alloy contains carbon, which decreases the alloy's deformation resistance at elevated temperatures, while maintaining its strength at room temperature. Effect of Alloying Elements on Machinability and Hot temperature and has superior hot workability. It was found that increasing Fe and decreasing Cr concentration in the chemical composition of KS EL-F improves both machinability and hot workability. The modified alloys (Cr:1 to 2.5%, Fe:1.25 to 2%) were found to decrease tool tip wear by almost 30% and the hot deformation stress by about 10%.

Effect of Alloying with Aluminum and Deformation-Heat

A feature of the hot-rolled condition of steels alloyed with more than 5% aluminum is formation of fine dislocation cellular substructure. It is shown that with an increase in aluminum content and decrease in final rolling temperature the cellular substructure becomes more pronounced, which leads to an improvement of rolled product strength properties. Effect of Alloying with Aluminum and Deformation-Heat A feature of the hot-rolled condition of steels alloyed with more than 5% aluminum is formation of fine dislocation cellular substructure. It is shown that with an increase in aluminum content and decrease in final rolling temperature the cellular substructure becomes more pronounced, which leads to an improvement of rolled product strength properties.

Effect of Aluminum Alloying on the Hot Deformation

Nov 28, 2017 · In this study, GCr15SiMo and GCr15SiMoAl steels are introduced to investigate the effect of Al alloying on the hot deformation behavior of bearing steel. Results show that the addition of Al not only notably increases the flow stress of steel due to the strong strengthening effect of Al on austenite phase, but also accelerates the strain-softening rates for its increasing effect on stacking Effect of Microstructure on the Hot Deformation Deformation Kinetics and Microstructure during Hot Torsion of Al99.9, Al-11Zn, Al-1Mn, Al-5Mg, Al-5Mg-0.6Mn, Al-5Mg-0.6Mn-1Fe p.1169 Effect of Microstructure on the Hot Deformation Characteristics of Aluminium Alloys

Effect of cerium and aluminium on the hot-deformation

Abstract This study examines the response of pure Mg and its alloys, both binary MgCe and ternary MgAlCe, during compression testing over a wide range of (true) strain rates and temperatures. Process maps were generated by plotting the instability parameter and efficiency of energy dissipation for microstructural evolution as a function of test temperature and strain rate. Effect of cerium and aluminium on the hot-deformation Abstract This study examines the response of pure Mg and its alloys, both binary MgCe and ternary MgAlCe, during compression testing over a wide range of (true) strain rates and temperatures. Process maps were generated by plotting the instability parameter and efficiency of energy dissipation for microstructural evolution as a function of test temperature and strain rate.

Effect of homogenization and alloying elements on hot

An increase in the homogenization temperature from 550 to 630°C increased the flow stress by 10 to 23% and 15 to 45% for the Al-0.3Fe-0.1Si and Al-0.3Fe-0.25Si alloys, respectively, over the range of deformation conditions examined. Effect of homogenization and alloying elements on hot An increase in the homogenization temperature from 550 to 630°C increased the flow stress by 10 to 23% and 15 to 45% for the Al-0.3Fe-0.1Si and Al-0.3Fe-0.25Si alloys, respectively, over the range of deformation conditions examined. The hot deformation behavior of dilute Al-Fe-Si alloys containing different amounts of Fe (0.1 to 0.7 wt%) and Si (0.1 to 0.25 wt%) was studied by uniaxial compression

Effect of homogenization and alloying elements on hot

Homogenization at 550°C significantly reduced the solid solution levels due to the elimination of the supersaturation originating from the cast ingot and produced the lowest flow stress under all of the deformation conditions studied. The hot deformation behavior of dilute Al-Fe-Si alloys containing different amounts of Fe (0.1 to 0.7 wt%) and Si (0.1 to 0.25 wt%) was studied by uniaxial compression Effect of initial microstructure on the hot compression Feb 01, 2012 · This paper examines the effect of initial microstructure on the deformation behavior of a 2219 aluminum alloy. Based on the manufacturing practice of the alloy, three different initial microstructures were designed, the newly as-homogenized microstructure (state 3), the as-solutionized microstructure (state 2) and the as-aged microstructure (state 1).

Effect of initial microstructure on the hot compression

Feb 01, 2012 · This paper examines the effect of initial microstructure on the deformation behavior of a 2219 aluminum alloy. Based on the manufacturing practice of the alloy, three different initial microstructures were designed, the newly as-homogenized microstructure (state 3), the as-solutionized microstructure (state 2) and the as-aged microstructure (state 1). Effect of precipitate structure on hot deformation of Al @article{osti_10110243, title = {Effect of precipitate structure on hot deformation of Al-Mg-Mn alloys}, author = {Vetrano, J S and Lavender, C A and Smith, M T and Bruemmer, S M}, abstractNote = {The size and nature of precipitates have strong effects on microstructural evolution from the cold-worked state through the course of deformation at high temperatures.

Effect of the Degree of Plastic Deformation on the

The hot extruded, unaged, 6063 Aluminium alloy rod, (30 mm diameter and 600 mm length) obtained from NIGALEX is shown in Figure 1. Figure 1. Extruded Al-Mg-Si alloyThirty-six (36) pieces, of 12 mm thickness and 30 mm diameter test specimens (or samples) were machined out of Effect of the Degree of Plastic Deformation on the The hot extruded, unaged, 6063 Aluminium alloy rod, (30 mm diameter and 600 mm length) obtained from NIGALEX is shown in Figure 1. Figure 1. Extruded Al-Mg-Si alloyThirty-six (36) pieces, of 12 mm thickness and 30 mm diameter test specimens (or samples) were machined out of

Effects of Zr and v Micro-Alloying on Activation Energy

The activation energies for hot deformation of the alloy with 0.12-0.15% Zr are remarkably increased compared with those of the base alloy at most deformation conditions due to the pinning effect Effects of coarse Al2CuLi phase on the hot deformation Jan 30, 2020 · The dynamic precipitation was also observed during the hot deformation process of many other AlLi alloys [15,19,30]. The large number of dislocations generated during the deformation provide heterogeneous nucleation sites for T 1 phase [ 45 , 46 ], which is regarded to inhibit the dislocations rearrangement and boundary migration and thus plays a suppression effect on the

Evaluation of the Effect of Rare Earth Alloying Additions

Jul 29, 2020 · It is concluded that the addition of 3 to 6 wt pct RE elements increases hot tearing in 7150. Additive manufacturing of the high-strength 7xxx Al alloy series is limited due to the susceptibility of these alloys to hot tearing. Grain refinement in hot working of 2219 aluminium alloy Sep 09, 2020 · As for 2219 aluminium alloy, Murty et al. performed hot isothermal PSC along normal direction (ND) and concluded that the uniaxial deformation cannot refine the grains

Hot deformation and processing of aluminum alloys

A comprehensive treatise on the hot working of aluminum and its alloys, Hot Deformation and Processing of Aluminum Alloys details the possible microstructural developments that can occur with hot Hot deformation behavior of 6xxx aluminum alloysIn the present study, the effects of the homogenization and micro-alloying with Mn on the evolution of the microstructure and hot workability of AA6060 were investigated systematically; Effects of Mn and its related Mn-containing dispersoids on the hot deformation behavior and recrystallization resistance during annealing of 6082 aluminum alloy

How and why alloying elements are added to aluminum

If we consider the seven designated aluminum alloy series used for wrought alloys, we can immediately identify the main alloying elements used for producing each of the alloy series. We can then go further and examine each of these elements effects on aluminum. I have also added some other commonly used elements and their effects on aluminum. How and why alloying elements are added to aluminumThe principal effects of alloying elements in aluminum are as follows:Copper (Cu) 2xxx The aluminum-copper alloys typically contain between 2 to 10% copper, with smaller additions of other elements. The copper provides substantial increases in strength and facilitates precipitation hardening.

Investigations on Deformation Behavior of AA5754 Sheet

Oct 12, 2011 · , Proc. Int. Manuf. Sci. and Eng. Conf. MSEC2007-31137. Ref 28:S. Venkatesan, F. Pourboghrat, and J.E. Carsley, 2011 A Comparison of Sheet Forming Methods for 5754-O Aluminum Alloy Sheet, The 8th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes (NUMISHEET2011), August 21-26, Seoul, Republic of Korea, pp. 683689. Investigations on Deformation Behavior of AA5754 Sheet Oct 12, 2011 · Tensile Deformation Behavior of Aluminum Alloys at Warm Forming Temperatures, Alloying Aluminum with Magnesium for Ductility at Warm Temperatures (25 to 250C) 849 854. Crossref. Search ADS 25. Ayres, R. A., and . Wenner, M. L., 1979, Strain and Strain-Rate Hardening Effects in Punch Stretching of 5182-O Aluminum at Elevated

On the Mechanical Threshold Stress of Aluminum:Effect of

Jan 09, 2001 · The mechanical behavior of aluminum with different alloying contents up to 1 wt percent, deformed under hot-working conditions, has been analyzed in terms of the exponential saturation equation proposed by Voce for the description of the evolution of the mechanical threshold stress, ^, and the model advanced by Kocks for the description of the ratio, s , T, between the flow stress at On the Mechanical Threshold Stress of Aluminum:Effect of Jan 09, 2001 · The mechanical behavior of aluminum with different alloying contents up to 1 wt percent, deformed under hot-working conditions, has been analyzed in terms of the exponential saturation equation proposed by Voce for the description of the evolution of the mechanical threshold stress, ^, and the model advanced by Kocks for the description of the ratio, s , T, between the flow stress at

On the mechanical behavior of cold deformed aluminum

Jul 18, 2016 · Zhou et al. recently studied the hot tensile deformation behavior of an Al-Zn-Mg-Cu alloy under the deformation temperature of 340460 °C and strain rate of 0.010.001 s 1. The drop of flow stress levels was explained by either the increase of deformation Recrystallization during hot deformation of aluminium Jul 18, 2013 · Abstract. The influence of alloying additions upon the annealing behaviour of aluminium after cold working and during hot working was studied. It is shown that alloying additions, such as magnesium or zinc, that are present in solid solution in the aluminium throughout processing, result in a reduction in the static recrystallization temperature after cold working and can result in dynamic

THE EFFECT OF ALLOYING ELEMENTS ON

The effect of alloying elements on superplasticity in an ultrafine-grained aluminum alloy 243 Fig. 1. Typical microstructure of the 6061 alloy after ECAP. Fig. 2. Dependence of ductility on the temperature of tensile tests for the 6061 alloy at various strain rates. Fig. 3. The Effect of Test Temperature on Deformation The effect of aluminum alloying on ductile-to-brittle transition in Hadfield steel single crystal, Int. J. Fra. 160 (2009) 143-149. DOI:10.1007/s10704-009-9414-8 Cited by

The effect of aluminum alloying on strength properties and

It is found out that aluminum alloying suppresses twinning deformation in the 123 single crystals and, during slip, results in a dislocation structure change from a uniform dislocation distribution to a planar dislocation structure. Thermomechanical Treatments of Aluminum Alloys ::Total Hot Working-Effects of Alloying. Solid solution alloying is likely to decrease the amount of dynamic recovery as it lowers the stacking fault energy as observed in Cu-Zn and Zr-Sn alloys.

(PDF) Effect of Aluminum Alloying on the Hot Deformation

alloying on the hot deformation behavior of bearing steel. Results show that the addition of Al not only notably increases the ow stress of steel due to the strong strengthening effect of Al on