Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (6): 710-718.DOI: 10.1007/s40195-018-0848-8
Special Issue: 2019年镁合金专辑
• Orginal Article • Previous Articles Next Articles
Xiao-Ye Liu1, Li-Wei Lu1,2(), Kun Sheng1, Tao Zhou3
Received:
2018-07-31
Revised:
2018-10-12
Online:
2019-06-10
Published:
2019-06-17
Supported by:
Xiao-Ye Liu, Li-Wei Lu, Kun Sheng, Tao Zhou. Microstructure and Texture Evolution During the Direct Extrusion and Bending-Shear Deformation of AZ31 Magnesium Alloy[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(6): 710-718.
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Fig. 2 EBSD maps of upsetting zone: a IPF figure, b image quality map with twin boundaries, c IPF map of region 1, d Schmid factor map of basal slip system of region 1, e strain distribution diagram of region 1
Types of twins | Misorientation angle/axis |
---|---|
{10-12} extension twin | 86° <1-210> ±?5° |
{10-11} contraction twin | 56° <1-210> ±?5° |
{10-11}-{10-12} secondary twin | 38° <1-210> ±?5° |
Table 1 Different types of twin and its misorientation angle and axis
Types of twins | Misorientation angle/axis |
---|---|
{10-12} extension twin | 86° <1-210> ±?5° |
{10-11} contraction twin | 56° <1-210> ±?5° |
{10-11}-{10-12} secondary twin | 38° <1-210> ±?5° |
Grain number | a | b | c | d | e |
---|---|---|---|---|---|
Schmidt factor | 0.13 | 0.41 | 0.44 | 0.2 | 0.4 |
Table 2 Schmidt factor of the selected grains
Grain number | a | b | c | d | e |
---|---|---|---|---|---|
Schmidt factor | 0.13 | 0.41 | 0.44 | 0.2 | 0.4 |
Fig. 3 EBSD maps of conical zone: a IPF figure, b image quality map with twin boundaries; c dynamic recrystallization distribution, d crystallographic map and recrystallization color diagram: deformed grains are in red, sub-structured grains and recrystallized grains, e enlarged map of region 2 and grain orientation three-dimensional diagram
Fig. 6 EBSD maps of forming zone: a IPF figure, b misorientation distribution of the AZ31 alloys, c enlarged map of regions 3 and 4, d pole figure of regions 3 and 4
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