J. Mater. Sci. Technol. ›› 2018, Vol. 34 ›› Issue (7): 1180-1188.DOI: 10.1016/j.jmst.2017.11.040
• Orginal Article • Previous Articles Next Articles
Xiangzhao Zhanga, Guiwu Liua(), Junnan Taoa, Yajie Guob, Jingjing Wangc, Guanjun Qiaoad()
Received:
2017-04-20
Revised:
2017-07-19
Accepted:
2017-08-16
Online:
2018-07-10
Published:
2018-07-22
Xiangzhao Zhang, Guiwu Liu, Junnan Tao, Yajie Guo, Jingjing Wang, Guanjun Qiao. Brazing of WC-8Co cemented carbide to steel using Cu-Ni-Al alloys as filler metal: Microstructures and joint mechanical behavior[J]. J. Mater. Sci. Technol., 2018, 34(7): 1180-1188.
Fig. 7. Cross-sectional BSE images of (a) WC-8Co/Cu-19.5Ni-2.5Al/SAE1045, (b, d, e) WC-8Co/Cu-19Ni-5Al/SAE1045 and (c) WC-8Co/Cu-18Ni-10Al/SAE1045 joints brazed at 1210, 1200 and 1190 °C, respectively.
Fig. 9. Cross-sectional BSE images of WC-8Co/Cu-19Ni-5Al/SAE1045 joints brazed at: (a) 1210 °C × 5 min, (b) 1230 °C × 5 min, (c) 1210 °C × 2.5 min, (d) 1210 °C × 7.5 min, (e) 1210 °C × 10 min.
Fig. 11. Average shear strength varations of WC-8Co/steel brazed joints with (a) the brazing filler composition, (b) brazing temperature and (c) holding time.
Fig. 12. Typical fracture surface morphology of WC-8Co/Cu-19Ni-5Al/steel joint fabircated at 1200 °C × 5 min and XRD pattern of fracture surface (WC-8Co side).
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