Acta Metallurgica Sinica (English Letters) ›› 2017, Vol. 30 ›› Issue (1): 79-88.DOI: 10.1007/s40195-016-0488-9
Special Issue: 2017年钢铁材料专辑
• Orginal Article • Previous Articles Next Articles
Chi Zhang1(),Li-Wen Zhang1,Wen-Fei Shen1,Ying-Nan Xia1,Yu-Tan Yan1
Received:
2016-04-29
Online:
2017-02-16
Published:
2017-02-16
Chi Zhang,Li-Wen Zhang,Wen-Fei Shen,Ying-Nan Xia,Yu-Tan Yan. 3D Crystal Plasticity Finite Element Modeling of the Tensile Deformation of Polycrystalline Ferritic Stainless Steel[J]. Acta Metallurgica Sinica (English Letters), 2017, 30(1): 79-88.
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Fig. 4 Comparison between the texture of the original EBSD data and the texture of the selected grain orientations: a original EBSD data; b the selected 400 grain orientations
Parameters | \(C_{11}\) (GPa) | \(C_{12}\) (GPa) | \(C_{44}\) (GPa) | \(h_{0}\) (MPa) | \(\tau_{\text{s}}\) (MPa) | \(\tau_{0}\) (MPa) | \(q\) | \(q_{1}\) | \(m\) | \(\dot{\gamma }_{0}\) (s-1) |
---|---|---|---|---|---|---|---|---|---|---|
{110}[ | 230.1 | 134.6 | 116.6 | 180 | 148 | 65 | 1 | 1.4 | 0.1 | 0.001 |
{112}[ | 230.1 | 134.6 | 116.6 | 300 | 150 | 100 | 1 | 1.4 | 0.1 | 0.001 |
Table 1 Material parameters used in the CPFEM constitutive model
Parameters | \(C_{11}\) (GPa) | \(C_{12}\) (GPa) | \(C_{44}\) (GPa) | \(h_{0}\) (MPa) | \(\tau_{\text{s}}\) (MPa) | \(\tau_{0}\) (MPa) | \(q\) | \(q_{1}\) | \(m\) | \(\dot{\gamma }_{0}\) (s-1) |
---|---|---|---|---|---|---|---|---|---|---|
{110}[ | 230.1 | 134.6 | 116.6 | 180 | 148 | 65 | 1 | 1.4 | 0.1 | 0.001 |
{112}[ | 230.1 | 134.6 | 116.6 | 300 | 150 | 100 | 1 | 1.4 | 0.1 | 0.001 |
Grain No. | Euler angles | Miller indices |
---|---|---|
1 | (54.24, 52.11, 44.83) | \((111) < 0\bar{1}1 >\) |
2 | (176.66, 51.98, 48.25) | \((111) < \bar{1}10 >\) |
3 | (263.66, 51.89, 40.57) | \((111) < 12\bar{2} >\) |
4 | (11.6, 7.05, 43.57) | \((001) < 2\bar{3}0 >\) |
Table 2 Orientations of the selected grains
Grain No. | Euler angles | Miller indices |
---|---|---|
1 | (54.24, 52.11, 44.83) | \((111) < 0\bar{1}1 >\) |
2 | (176.66, 51.98, 48.25) | \((111) < \bar{1}10 >\) |
3 | (263.66, 51.89, 40.57) | \((111) < 12\bar{2} >\) |
4 | (11.6, 7.05, 43.57) | \((001) < 2\bar{3}0 >\) |
Fig. 10 Morphologies and plastic strain distributions of the selected grains before and after tensile deformation: a, b Grain No. 1; c, d Grain No. 2; e, f Grain No. 3; g, h Grain No. 4
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