On the origin of recrystallization textures in aluminium

Hjelen, J.; Ørsund, R.; Nes, E.

doi:10.1016/0956-7151(91)90225-p

Cited by 285 publications

(106 citation statements)

References 15 publications

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“…1, in which the main crystal orientations appearing in rolling and recrystallization textures are presented. 11) Furthermore, the EBSP technique 12) was used to determine the orientation of grains recrystallized at the initial stages of recrystallization. Figure 2 shows an example of a thermal history of rapid heating and quenching.…”

Section: Microstructure and Texture Analysismentioning

confidence: 99%

Recrystallization Behavior and Texture Formation of Rapidly Annealed Cold-Rolled Extralow Carbon Steel Sheets

2006

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The influence of a heating rate up to 1000 C/s on recrystallization behavior and texture formation of an extralow carbon steel sheet was investigated. To discuss the experimental results of this investigation, a mathematical model for predicting recrystallization behavior was developed. An analysis using the model shows that the heating rate influences the apparent thermal activation energy of recrystallization. At a higher heating rate, C dissolved from cementite and AlN precipitated during heating decreases and as a consequence the apparent thermal activation energy is lower. This can also be a valid explanation for the fact that recrystallization of a steel sheet coiled at low temperature is retarded.The main orientations of the recrystallization texture are weakened if the heating rate is increased. This tendency has already been observed at the initial stage of recrystallization. If the specimen is heated slowly up to the initial stage of recrystallization, the decrease in the intensity of the main orientations is reduced even though the heating rate subsequently increases. This result indicates that, concerning formation of the recrystallization texture, the heating rate mainly influences the nucleation process.

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Section: Microstructure and Texture Analysismentioning

confidence: 99%

Recrystallization Behavior and Texture Formation of Rapidly Annealed Cold-Rolled Extralow Carbon Steel Sheets

2006

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“…For example, slip systems activated near GBs were examined using bicrystals through the stress transmission mechanism 1) and the slip transfer mechanism. 2,3) The electron backscatter diffraction (EBSD) technique has been employed in determining orientation distribution in, not only polycrystals, [4][5][6][7][8] but also single crystals. [9][10][11][12][13][14][15][16][17][18][19][20] The EBSD technique has the advantage that it enables precise and automatic measurement of many crystal orientations over a large area.…”

Section: Introductionmentioning

confidence: 99%

The Effect of a Grain Boundary on Deformation in an Aluminum Bicrystal with a Common Tensile Axis of [100]

Kashihara

Wert²

2006

Mater. Trans.

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The effect of a grain boundary on deformation has been examined using an aluminum bicrystal specimen composed of crystals having a common tensile axis of [100] by the measurement of orientation change with the electron backscatter diffraction technique. After deformation to a strain of 20%, the crystal rotation axis (CRA) map, which provides the orientation distribution of crystal rotation axes relative to the initial crystal orientations, reveals areas affected by the grain boundary. The thickness of the affected zone was 100 mm in one crystal and 150 mm in the other. In both crystals, the crystal rotation axis relative to the initial crystal orientation differed between the affected zone and the crystal interior. In the crystal interior, two slip systems showed a higher activity than the other slip systems, whereas in the affected zone, three or four slip systems were more active than the other slip systems. The CRA map showed that the width and shape of the affected zones across the grain boundary were not symmetrical with respect to the grain boundary.

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“…One may assume that the new, recrystallized grain is growing from the as-deformed areas of nearly the same orientation which is often discussed in literature, e.g. [20]. However, if the results of the recrystallization experiments on single crystals of a stable orientation ( § 3.1.2. and, e.g.…”

Section: Microstructure and Texture After Annealingmentioning

confidence: 99%

“…Some authors stated that the cube-oriented grains in highly deformed aluminium alloys are nucleated from deformation, transition or shear bands preferentially located in the Cu or ND-rotated Cu-texture components, e.g. [20]. Yet the details of the transformation that leads to the extreme sharpness of the cube texture are not understood.…”

Section: Introductionmentioning

confidence: 99%

Cube texture formation during the early stages of recrystallization of Al-1%wt.Mn and AA1050 aluminium alloys

Miszczyk

Paul

2015

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. The cube texture formation during primary recrystallization was analysed in plane strain deformed samples of a commercial AA1050 alloy and an Al-1%wt.Mn model alloy single crystal of the Goss{110}<001> orientation. The textures were measured with the use of X-ray diffraction and scanning electron microscopy equipped with an electron backscattered diffraction facility. After recrystallization of the Al-1%wt.Mn single crystal, the texture of the recrystallized grains was dominated by four variants of the S{123}<634> orientation. The cube grains were only sporadically detected by the SEM/EBSD system. Nevertheless, an increased density of <111> poles corresponding to the cube orientation was observed. The latter was connected with the superposition of four variants of the S{123}<634> orientation. This indicates that the cube texture after the recrystallization was a 'compromise texture'. In the case of the recrystallized AA1050 alloy, the strong cube texture results from both the increased density of the particular <111> poles of the four variants of the S orientation and the ~40 o (~<111>)-type rotation. The first mechanism transforms the S def -oriented areas into S rex ones, whereas the second the near S-oriented, as-deformed areas into near cube-oriented grains.

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On the origin of recrystallization textures in aluminium

Cited by 285 publications

References 15 publications

Recrystallization Behavior and Texture Formation of Rapidly Annealed Cold-Rolled Extralow Carbon Steel Sheets

Recrystallization Behavior and Texture Formation of Rapidly Annealed Cold-Rolled Extralow Carbon Steel Sheets

The Effect of a Grain Boundary on Deformation in an Aluminum Bicrystal with a Common Tensile Axis of [100]

Cube texture formation during the early stages of recrystallization of Al-1%wt.Mn and AA1050 aluminium alloys

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