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Research Article

An enhancement in mechanical properties of grade 91 steel on microalloying with boron and nitrogen

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Pages 7-22 | Received 25 May 2020, Accepted 09 Oct 2020, Published online: 01 Nov 2020

References

  • Shrestha T, Basirat M, Charit I, et al. Creep rupture behavior of grade 91 steel. Mater Sci Eng A. 2013;565:382–391.
  • Laha K, Chandravathi KS, Parameswaran P, et al. Characterization of microstructures across the heat-affected zone of the modified 9Cr-1Mo weld joint to understand its role in promoting type IV cracking. Metall Mater Trans A. 2007;38A:58–68.
  • Maruyama K, Sawada K, Koike J-I. Strengthening mechanisms of creep resistant tempered martensitic steel. ISIJ Inter. 2001;41(6):641–653.
  • Abe F. Precipitate design for creep strengthening of 9% Cr tempered martensitic steel for ultra-supercritical power plants. Sci Technol Adv Mater. 2008;9(15):013002.
  • Klueh RL. Elevated temperature ferritic and martensitic steels and their application to future nuclear reactors. Int Mater Rev. 2005;50(5):287–312.
  • Hald J. Microstructure and long-term creep properties of 9–12% Cr steels. Int J Press Vessels Pip. 2008;85:30–37.
  • DiStefano JR, Sikka VK, Blass JJ, et al. Summary of modified 9Cr-1Mo steel development program, 1975–1985. United States,1986. DOI:10.2172/712852, https://www.osti.gov/servlets/purl/712852.
  • Abe F, Taneike M, Sawada K. Alloy design of creep resistant 9Cr steel using a dispersion of nano-sized carbonitrides. Int J Press Vessels Pip. 2007;84:3–12.
  • Horiuchi T, Igarashi M, Abe F. lmproved utilization of added B in 9Cr heat-resistant steels containing W. ISIJ Inter. 2002;42(Supplement):S67–S71.
  • Abe F, Semba H, Sakuraya T. Effect of boron on microstructure and creep Deformation behavior of tempered martensitic 9Cr steel. Mater Sci Forum. 2007;539-543:2982–2987.
  • Abe F. Effect of boron on microstructure and creep strength of advanced ferritic power plant steels. Procedia Eng. 2011;10:94–99.
  • Yin F-S, Tian L-Q, Xue B, et al. Effect of carbon content on microstructure and mechanical properties of 9 to 12 pct Cr ferritic/martensitic heat-resistant steels. Metall Mater Trans A. 2012;43:2203–2209.
  • Ghassemi-Armaki H, Chen RP, Maruyama K, et al. Contribution of recovery mechanisms of microstructure during long-term creep of Gr 91 steels. J Nucl Mater. 2013;433:23–29.
  • Klueh RL, Hashimoto N, Maziasz PJ. New nano-particle-strengthened ferritic/martensitic steels by conventional thermo-mechanical treatment. J Nucl Mater. 2007;367-370:48–53.
  • Tan L, Busby JT, Maziasz PJ, et al. Effect of thermomechanical treatment on 9Cr ferritic-martensitic steels. J Nucl Mater. 2013;441:713–717.
  • Sakthivel T, Shruti P, Parameswaran P, et al. Enhancement in creep strength of modified 9Cr–1Mo steel through thermo-mechanical treatment. Trans Indian Inst Met. 2017;70:1177–1182, DOI:10.1007/s12666-016-0902-z
  • Heo HM, Jeong EH, Kim SH, et al. Comparison between effect of B and N on the microstructure of modified 9Cr-2W steel during aging and creep. Mater Sci Eng A. 2016;670:106–111.
  • Shigesato G, Fujishrio T, Hara T. Grain boundary segregation behavior of boron in low-alloy steel. Metall Mater Trans A. 2014;45A:1876–1882.
  • Tkachev E, Belyakov A, Kaibyshev R. Creep behavior and microstructural evolution of a 9%Cr steel with high B and low N contents. Mater Sci Eng A. 2018;725:228–241.
  • Chandravathi KS, Laha K, Norio Shinya MD. Mathew, effects of boron and cerium on creep rupture properties of modified 9Cr-1Mo steel and its weld joint. Procedia Eng. 2013;55:433–437.
  • Das CR, Albert SK, Swaminathan J, et al. Transition of crack from Type IV to Type II resulting from improved utilization of boron in the modified 9Cr-1Mo steel weldment. Metall Mater Trans A. 2012;43A:3724–3741.
  • Mun DJ, Shin EJ, Choi YW, et al. Effects of cooling rate, austenitizing temperature and austenite deformation on the transformation behavior of high-strength boron steel. Mater Sci Eng A. 2012;545:214–224.
  • Chandravathi KS, Laha K, Parameswaran P, et al. Effect of microstructure on the critical strain to onset of serrated flow in modified 9Cre1Mo steel. Int J Press Vessels Pip. 2012;89:162–169.
  • Rodriguez P. Serrated plastic flow, Bull. Mater Sci. 1984;6(4):653–663.
  • Sakthivel T, Laha K, Nandagopal M, et al. Influence of temperature on tensile flow and work hardening behaviour of modified 9Cr-1Mo steel. Mater High Temp. 2014;31(1):60–68.
  • Sunil Goyal K. Laha, Assessment of rupture behaviour of 9Cr-Steels under multiaxial state of stress. Trans Indian Inst Met. 2016;69(2):445–450.
  • Davies PW, Evans WJ, Williams KR, et al. An equation to represent strain/time relationships during high temperature creep. Scr Metall. 1969;3:671–674.
  • Dudko V, Belyakov A, Kaibyshev R. Evolution of lath substructure and internal stresses in a 9% Cr steel during creep. ISIJ Inter. 2017;5(3):540–549; DOI:10.2355/isijinternational.ISIJINT-2016-334
  • Ennis PJ, Zielinska-Lipiec A, Wachter O, et al. Microstructural stability and creep rupture strength of the martensitic steel P92 for advanced power plant. Acta Materialia. 1997;45:4901–4907.
  • Sakthivel T, Panneer Selvi S, Laha K. An assessment of creep deformation and rupture behaviour of 9Cr-1.8W-0.5Mo-VNb (ASME grade 92) steel. Mater Sci Eng A. 2015;640:61–71.
  • Miki Y, Azuma T, Ishiguro T, et al., Effect of Cr content on the creep strength and microstructural change in high Cr heat resistant steel. Proc. 7th Liege Conference on Materials for Advanced Power Engineering 2002. Liege, Belgium; 2002. p. 1497–1504.
  • Yoshizawa M, Igarashi M, Moriguchi K, et al. Effect of precipitates on long-term creep deformation properties of P92 and P122 type advanced ferritic steels for USC power plants. Mater Sci Eng A. 2009;510–511:162–168.

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