J. Mater. Sci. Technol. ›› 2019, Vol. 35 ›› Issue (5): 784-789.DOI: 10.1016/j.jmst.2018.10.027
• Orginal Article • Previous Articles Next Articles
Q. Chua, W.Y. Lia?(), H.L. Houb, X.W. Yanga, A. Vairisac, C. Wangb, W.B. Wangb
Received:
2018-03-25
Accepted:
2018-05-24
Online:
2019-05-10
Published:
2019-02-20
Contact:
Li W.Y.
About author:
1 These authors contribute equally to this paper.
Q. Chu, W.Y. Li, H.L. Hou, X.W. Yang, A. Vairis, C. Wang, W.B. Wang. On the double-side probeless friction stir spot welding of AA2198 Al-Li alloy[J]. J. Mater. Sci. Technol., 2019, 35(5): 784-789.
Fig. 1 (a) Macrostructure, distributions of (b) temperature (TEMP), (c) plastic strain (PE) of a typical P-FSSWed joint and (d) plastic strain (PE) distribution of a DP-FSSWed joint.
Material | A | B | C | m | n | Tr (°C) | Tm (°C) |
---|---|---|---|---|---|---|---|
2198 | 510 | 200 | 0.02 | 1.61 | 0.45 | 25 | 502 |
Table 1 Constants for Johnson-Cook material model.
Material | A | B | C | m | n | Tr (°C) | Tm (°C) |
---|---|---|---|---|---|---|---|
2198 | 510 | 200 | 0.02 | 1.61 | 0.45 | 25 | 502 |
Fig. 3 Optical macrographs of cross-section of DP-FSSWed joint for 950?rpm/15?s: (a) full view, (b) SZ (region B), (c) TMAZ (region C), (d) HAZ (region D), (e) region E and (f) region F.
Fig. 6 Fractographs of DP-FSSWed joints: (a) 950?rpm/15?s and (b) 1500?rpm/9?s, and fractographs of P-FSSWed joints: (c) 950?rpm/6?s and (d) 950?rpm/15?s.
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