Acta Metallurgica Sinica (English Letters) ›› 2020, Vol. 33 ›› Issue (3): 391-402.DOI: 10.1007/s40195-019-00954-8
• Orginal Article • Previous Articles Next Articles
Wen-Chao Dong1, Ming-Yue Wen2, Hui-Yong Pang3, Shan-Ping Lu1()
Received:
2019-05-18
Revised:
2019-06-17
Online:
2020-03-10
Published:
2020-03-10
Contact:
Lu Shan-Ping
Wen-Chao Dong, Ming-Yue Wen, Hui-Yong Pang, Shan-Ping Lu. Effect of Post-weld Tempering on the Microstructure and Mechanical Properties in the Simulated HAZs of a High-Strength-High-Toughness Combination Marine Engineering Steel[J]. Acta Metallurgica Sinica (English Letters), 2020, 33(3): 391-402.
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Fig. 5 Optical micrographs of simulated CGHAZ a1 as-welded, a2 PWHT 550 °C, a3 PWHT 600 °C, a4 PWHT 650 °C, and ICHAZ b1 as-welded, b2 PWHT 550 °C, b3 PWHT 600 °C, b4 PWHT 650 °C
Fig. 6 SEM images of simulated CGHAZ a1 as-welded, a2 PWHT 550 °C, a3 PWHT 600 °C, a4 PWHT 650 °C, ICHAZ b1 as-welded, b2 PWHT 550 °C, b3 PWHT 600 °C, b4 PWHT 650 °C
Fig. 9 TEM bright-field images and selected area diffraction (SAD) patterns of the precipitated carbides in simulated CGHAZ after tempering for 1.5 h at 550 °C a, 600 °C b, 650 °C c
Fig. 13 SEM low-magnification fractographs of Charpy impact specimens at - 50 °C in simulated CGHAZ a1 as-welded, a2 PWHT 550 °C, a3 PWHT 600 °C, a4 PWHT 650 °C, and ICHAZ b1 as-welded, b2 PWHT 550 °C, b3 PWHT 600 °C, b4 PWHT 650 °C
Fig. 14 SEM high-magnification fractographs of Charpy impact specimens at - 50 °C in simulated CGHAZ a1 as-welded, a2 PWHT 550 °C, a3 PWHT 600 °C, a4 PWHT 650 °C, and ICHAZ b1 as-welded, b2 PWHT 550 °C, b3 PWHT 600 °C, b4 PWHT 650 °C
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