Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (6): 755-763.DOI: 10.1007/s40195-018-0829-y
Special Issue: 2019年腐蚀专辑-1
• Orginal Article • Previous Articles Next Articles
Tian-Yi Sun1, Yan-Jun Guo1, Yi-Ming Jiang1, Jin Li1()
Received:
2018-06-07
Revised:
2018-08-20
Online:
2019-06-10
Published:
2019-06-17
Supported by:
Tian-Yi Sun, Yan-Jun Guo, Yi-Ming Jiang, Jin Li. Effect of Short-Time Aging on the Pitting Corrosion Behavior of a Novel Lean Duplex Stainless Steel 2002[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(6): 755-763.
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C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N | Fe |
---|---|---|---|---|---|---|---|---|---|---|
0.031 | 0.32 | 3.45 | 0.01 | 0.004 | 20.53 | 2.08 | 0.31 | 0.34 | 0.17 | Bal. |
Table 1 Chemical composition (wt%) of LDSS 2002
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N | Fe |
---|---|---|---|---|---|---|---|---|---|---|
0.031 | 0.32 | 3.45 | 0.01 | 0.004 | 20.53 | 2.08 | 0.31 | 0.34 | 0.17 | Bal. |
Fig. 1 Equilibrium mole fractions of phases in LDSS 2002 calculated by Thermo-Calc. a Equilibrium mole fractions of phases during 500-1500 °C, b equilibrium mole fractions of precipitates during 500-1100 °C
Fig. 2 Curves of current density to temperature for specimens aged at different temperatures for 10 min polarized at 250 mV (SCE) in 1 mol/L NaCl solution
Fig. 6 TEM images of Cr2N and M23C6 of LDSS 2002 aged at 650 °C for 0.5 h. a A bright field image of Cr2N, b corresponding selected area electron diffraction (SAED) pattern of Cr2N, c a bright field image of M23C6, d corresponding SAED pattern of M23C6
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