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Creep life prediction of low-alloy steels based on the β-envelope method

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Abstract

The creep life of low-alloy steels has been analyzed based on the β-envelope method. A parameter that compensates both the stress and the time axes is proposed involving the coefficients of the creep strain-time relations.

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Abbreviations

B1,B2,B3 :

Constants

C, C1 :

Constants

G:

Slope in stress-log rupture time relation

PR :

Creep-rupture parameter

q:

Exponent

T:

Temperature

Tr :

Refisrejice temperature

t:

Time

tr :

Rupture time

β1,β2,β3 :

Coefficients

β2o :

β2atσo

βo2 :

β2atσ = 0

β2or :

β2o at reference temperature Tr

βo2r :

βo2 at neference temperature Tr

ε1, ε2,ε3 :

Creep strains in the first, second, and third stages

εr :

Creep-rupture strain

σ:

Stress

σo :

Creep strength at short time

σor :

Creep strength at short time at the reference

References

  1. V.M. Radhakrishnan, P. J. Ennis, and H. Schuster, "An Analysis of Creep Deformation and Fracture by β-envelope Method," IRW- KFA Julich Report No. 2535, Aug ( 1991 ).

  2. V.M. Radhakrishnan, On the Relationship between the Minimum Creep Rate and the Rupture Time in Cr-Mo Steels, J. Mater. Eng. Perform., in press (1992).

  3. V.M. Radhakrishnan, Creep Fracture of Cr-Mo Steel, Fatigue Eng. Mater. Struct., UK, in press.

  4. R.J. Johnson, M.J. May, R.J. Trueman, and J. Mickleraith, Ele- vated Temperature Tensile, Creep and Rupture Properties of 1 Cr- 0.5Mo, 2.25Cr-lMo, 0.5Cr-0.5Mo-0.25V Steels, Proc. Conf. High Temperature Properties of Steels, ISI Publication No. 97, 229–263(1967).

  5. W. Ruttman, M. Krause, and K.J. Kremer, International Commu- nity Tests on Long Term Behavior of 2.25Cr-lMo Steels, Proc. Conf. High Temperature Properties of Steels, ISI Publication No. 97,23–29(1967).

  6. T. Prnka and V. Foldyna, The Creep Properties of Low Alloy Cr- Mo-V Steels with Low Carbon Contents, Proc. Conf. High Tem- perature Properties of Steels, ISI Publication No. 97, 115-130 (1967).

  7. H.W. Kirkby and R.J. Truman, 12% Cr Steels—Creep Resisting and High Strength Variants, Proc. Conf. High Temperature Prop- erties of Steels, ISI Publication No. 97, 361–382 (1967).

  8. "Criteria of the ASME Boiler and Pressure Vessel Code for De- sign by Analysis," ASME, New York (1969).

  9. "ASME Boiler and Pressure Vessel Code," 1980ed.,ASME,New York, Jul (1980).

  10. V.M. Radhakrishnan, Fracture in Power Law Creep, Proc. Int. Conf. Creep, JSME, ASME, I. Mech. E. and ASTM, Tokyo, Apr (1986).

    Google Scholar 

  11. V.M. Radhakrishnan, A Parameter for Power Law Creep, J. High Temp. Technol.,8(4), 273–277 (1990).

    Article  CAS  Google Scholar 

  12. S.S. Manson and CR. Ensign, A. Quarter Century of Progress in the Development of Correlation and Extrapolation Methods for Creep Rupture Data,Trans. ASME, J. Eng. Mater. Technol., 101, 317–325(1979).

    Article  CAS  Google Scholar 

  13. S.S. Manson and C.R. Ensign, Interpolation and Extrapolation of Creep Rupture Data by the Minimum Commitment Method. Characterization of Materials for Service at Elevated Tempera- ture, G.V. Smith, Ed., ASME Publication MPC-7, 299–398 (1978).

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Authors and Affiliations

  1. Metallurgical Engineering Department, Indian Institute of Technology, Madras, India

    V. M. Radhakrishnan

  2. Institut für Reaktorwerkstoffe, Julicn, Germany

    P. J. Ennis & H. Schuster

Authors
  1. V. M. Radhakrishnan
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  2. P. J. Ennis
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  3. H. Schuster
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Radhakrishnan, V.M., Ennis, P.J. & Schuster, H. Creep life prediction of low-alloy steels based on the β-envelope method. JMEP 1, 333–340 (1992). https://doi.org/10.1007/BF02652386

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  • DOI: https://doi.org/10.1007/BF02652386

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