Influence of salt bath nitrocarburizing and post-oxidation process on surface microstructure evolution of 17-4PH stainless steel

Journal of Materials Processing Technology

Volumn 207, Issue 1-3, 2008, Pages 187-192

  Li, Gui jiang ^a   Wang, Jun ^a   Peng, Qian ^b   Li, Cong ^b   Wang, Ying ^b   Shen, Bao luo ^a  

^a SICHUAN UNIVERSITY   (China)

^b NUCLEAR POWER INSTITUTE OF CHINA   (China)

Author keywords

17 4PH stainless steel; Microstructure; QPQ salt bath; SEM; X ray diffraction

Indexed keywords

CHLORINE COMPOUNDS; INERT GAS WELDING; MICROSTRUCTURE; STEEL; STEEL CORROSION; STEEL METALLURGY; SURFACE TREATMENT;

17-4PH STAINLESS STEEL; QPQ SALT BATH; SEM; X-RAY DIFFRACTION;

STAINLESS STEEL;

EID: 50949113133     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2007.12.082     Document Type: Article

References (17)

1. Anon. Degussa process for increasing the corrosion resistance of steel and iron. Anti-Corr. Methods Mater. 31 (1984) 13
2. Foerster C.E., Serbena F.C., and da Silva S.L.R. Mechanical and tribological properties of AISI 304 stainless steel nitrided by glow discharge compared to ion implantation and plasma immersion ion implantation. Nucl. Instrum. Methods B 257 (2007) 732-736
3. 1-x: an XPS investigation. Appl. Surf. Sci. 136 (1998) 238-259
4. 1-z. I. Oxidation kinetics and microstructural evolution of the oxide and nitride layers. Oxidation Metal 48 (1997) 87-109
5. Kim S.K. Characteristics of martensitic stainless steel nitrided in a low-pressure RF plasma. Surf. Coat. Technol. 163/164 (2003) 380-385
6. Kochmański P., and Nowacki J. Activated gas nitriding of 17-4 PH stainless steel. Surf. Coat. Technol. 200 (2006) 6558-6562
7. Kunst H. Improving Corrosion and Wear Resistance by Salt Bath Nitrocarburizing Plus Oxidizing in Automated Facilities (1987), Pergamon Press pp. 451-467
8. Li H.Y., Luo D.F., Yeung C.F., and Lau K.H. Microstructural studies of QPQ complex salt bath heat-treated steels. J. Mater. Proc. Technol. 69 (1997) 45-49
9. Luo D.F., Li H.Y., and Wu S.X. Discussion on the mechanism of high corrosion resistance for QPQ technology. Heat Treat. Met. 30 (2005) 28-30
10. ® process of nitrocarburizing and post-oxidation. Surf. Coat. Technol. 201 (2006) 3415-3421
11. Li P., Cai Q.-Z., Wei B.-K., and Zhang X.-Z. Effect of aging temperature on erosion-corrosion behavior of 17-4PH stainless steels in dilute sulphuric acid slurry. J. Iron Steel Res. Int. 13 (2006) 73-78
12. 1-x surface layers during oxidation. Metall. Trans. A (Phys. Metall. Mater. Sci.) 21A (1990) 901-912
13. 1-x layers: redistribution of nitrogen. Surf. Interface Anal. 19 (1992) 633-637
14. Somers M.A.J., Kooi B.J., Sloof W.G., and Mittemeijer E.J. Phase transformations and nitrogen redistribution on oxidation of iron-nitride layers. Mater. Sci. Forum 154 (1994) 87-96
15. Tsujikawa M., Yamauchi N., and Ueda N. Behavior of carbon in low temperature plasma nitriding layer of austenitic stainless steel. Surf. Coat. Technol. 193 (2005) 309-313
16. Wahl Georg, 1984. Salzbadnitrieren nach dem Tenifer-QPQ-Verfahren, Durferrit-Technische Mitteilung, Degussa AG, 126, 811-818.
17. Yeung C.F., Lau K.H., Li H.Y., and Luo D.F. Advanced QPQ complex salt bath heat treatment. J. Mater. Proc. Technol. 66 (1997) 249-252