5.07 - Remnant Creep Life Prediction in Ferritic Materials

Comprehensive Structural Integrity

Volumn 5, Issue , 2007, Pages 309-359

  Gooch, D J ^a  

^a GenExp Ltd   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CREEP LIFE PREDICTION; FERRITIC MATERIALS;

CREEP;

EID: 84903414943     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1016/B0-08-043749-4/05122-3     Document Type: Chapter

References (137)

1. Afrouz A., Collins M.J., Pilkington R.J. Microstructural examination of 1Cr-0.5Mo steel during creep. Met. Technol. 1983, 10:461-463.
2. R. A. Ainsworth (ed.), 2001, "R5, An Assessment Procedure for the High Temperature Response of Structures, Issue 2, Revision 2," BEGL, Barnwood.
3. Ainsworth R.A., Chell G.G., Coleman M.C., Goodall I.W., Gooch D.J., Haigh J.R., Kimmins S.T., Neate G.J. CEGB assessment procedure for defects in operating plant in the creep range. Fatigue Fract. Eng. Mater. Struct. 1987, 10:115-127.
4. Askins M.C. Creep life assessment by measurement of interparticle spacing. Proceedings of the International Conference on Life Extension and Assessment, The Hague 1988, Netherlands Institute voor Lastechniek, The Netherlands.
5. M. C. Askins, D. Barraclough, C. W. King and D. Lonsdale, 1985, "A Guide to Current Procedures for Post Exposure Creep Testing of Samples Removed from Thick Walled, High Temperature Pressure Components," CEGB report OED/STB(S)/87/0022/R, Central Electricity Generating Board, Gravesend, UK.
6. M. Askins and K. Menzies, 1985, Unpublished work cited in Gooch and Townsend, 1987.
7. M. C. Askins, et al., 1988, "Remaining Life of Boiler Pressure Parts---Base Material Model," Report RP2253-1, vol. 3, Electric Power Research Institute, Palo Alto, CA.
8. Auerkari P., Salonern J., Borgreen K. Towards unified evaluation of replica inspections for power plant applications. Proceedings of the 6th International Conference on Creep and Fatigue 1996, 501-510. Institute of Mechanical Engineering, London.
9. P. Auerkari and P. Vierros, 1987, In: "Proceedings of the 3rd International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 1987," Institute of Metals, London, pp. 905-928.
10. J. M. Aurrecoechea and W. D. Brentnall, 1990, Operating temperature estimation and life assessment of gas turbine airfoils. In: "Proceedings of a Conference on Life Assessment and Repair Technology for Combustion Turbine Hot Section Components," ASM International, Ohio.
11. Batte A.D., Gooch D.J. Metallurgical aspects of remanent life assessment of high temperature rotor forgings. Proceedings of the EPRI Conference on Turbogenerator Rotors for Fossil Plants, Raleigh, 1984 1985, 3.77-3.98. Pergamon.
12. Beech S.M., Gooch D.J., Strang A. Remanent life assessment of 1CrMoV HP and IP steam turbine rotors. Proceedings of the 3rd International Charles Parsons Turbine Conference, Newcastle upon Tyne, 1995 1995, 277-291. Institute of Materials, London.
13. Bhadeshia H.K.D.H. Theoretical analysis of changes in cementite composition during tempering of bainite. Mater. Sci. Technol. 1989, 5:131-137.
14. Bhadeshia H.K.D.H., Strang A., Gooch D.J. Ferritic power plant steels: remanent life assessment and approach to equilibrium. Int. Mater. Rev. 1998, 43(2):45-69.
15. Bolton J. Design considerations for high temperature bolting. Performance of Bolting Materials in High Temperature Plant Applications 1995, 1-14. Institute of Materials, London. A. Strang (Ed.).
16. Browne R.J. Creep rupture testing of tubular model components. Techniques for Multiaxial Creep Testing 1986, 311-332. Elsevier Applied Science, London. D.J. Gooch, I.M. How (Eds.).
17. F. Brun, T. Yoshida, J. D. Robson, V. Narayan, H. K. D. H. Bhadeshia and D. J. C. Mackay, 2001, Theoretical design of creep resistant steels. Mater. Sci. Technol., to be published.
18. Budden P.J., Goodall I.W. Assessment procedures and design codes. Integrity of High Temperature Welds 1998, 309-322. Institute of Mechanical Engineers, London.
19. Cane B.J. Inter-relationship between creep deformation and creep rupture in 2(1/4)CrlMo steel. Met. Sci. 1979, 13:287-294.
20. Cane B.J. Mechanistic control regimes for intergranular cavity growth in 2(1/4)CrlMo steel under various stresses and stress states. Met. Sci. 1981, 15:302-310.
21. Cane B.J. Remaining creep life estimation by strain assessment on plant. Int. J. Pres. Ves. Piping 1982, 10:11-30.
22. Cane B.J. Stress state distributions in thick-walled pressurized tubes under creep loading. Techniques for Multiaxial Creep Testing 1986, 245-266. Elsevier Applied Science, London. D.J. Gooch, I.M. How (Eds.).
23. Cane B.J. Surveillance and control of damage in elevated temperature pressure parts in power and process plants. Proceedings of the 6th International Conference on Creep and Fatigue 1996, 473-489. Institute of Mechanical Engineers, London.
24. Cane B.J., Aplin P.F., Brear J.M. A mechanistic approach to remanent creep life assessment of low alloy ferritic components based on hardness measurements. J. Pres. Ves. Tech. 1985, 107(3):295-300.
25. Cane B.J., Middleton C.J. Intergranular creep-cavity formation in low-alloy bainitic steels. Met. Sci. 1981, 15:295-301.
26. B. J. Cane and M. S. Shammas, 1984, "A Method for Remanent Life Estimation by Quantitative Assessment of Creep Cavitation on Plant," CEGB report TPRD/L/2645/N84, Central Electricity Generating Board, Leatherhead, UK.
27. Carlton R.G., Gooch D.J., Hawkes E.M., Williams H.D. The CEGB approach to the determination of the remanent life of high temperature turbine rotors. Proceedings of an International Conference on Refurbishment and Life Extension of Steam Plant, London, 1987 1987, 45-52. Institute of Mechanical Engineers, London.
28. Carruthers R.B., Collins M.J. Met. Sci. 1983, 17:107-110.
29. R. B. Carruthers and R. V. Day, 1968, CEGB report SSD/NE/R138, Central Electricity Generating Board, Harrogate, UK.
30. Chance J., Ridley N. Metall. Trans. A 1981, 21A:1205-1213.
31. Chockshi A.H. Mater. Sci. Technol. 1987, 3:656.
32. Clayton R. Photogrammetry in the range 300 mm to 3000 mm: techniques and applications in the electricity supply industry. Photogrammetric Record 1989, 13(73):27-62.
33. R. Coade, 1985, "Temperature Determination Based on Microstructural Changes Occurring in 1%Cr-0.5%Mo Steel," SECV report SO/85/87, State Electricity Commission of Victoria, Australia.
34. Dobrzanski J., Hernas A. Relationship between microstructure and residual life-time of low alloy CrMo steels. Proceedings of the 6th International Conference on Creep and Fatigue 1996, 451-461. Institute of Mechanical Engineers, London.
35. J. Dobrzanski, P. Milinskp and J. Woszczek, 1996, In: "Proceedings of the 9th International Symposium on Creep Resistant Metallic Materials, Hradec nad Moravici, Czech Republic, 1996," Vitkovice, pp. 152--163.
36. Dyson B.F., Osgerby S. Modeling creep corrosion interactions in nickel-base superalloys. Mater. Sci. Technol. 1987, 3:545-553.
37. Eggeler G. Microstructural parameters for creep damage quantification. Acta Metall. Mater. 1991, 39(2):221-231.
38. Eggeler G.F., Hurst R.C. Development and validation of models for the lifetime assessment of steam power plant components. Proceedings of the International Conference on Materials for Advanced Power Engineering, Liege, 1994 1994, 109-132. Kluwer Academic Publishers, Amsterdam.
39. Eggeler G., Millward C., Cane B.J. A remanent life assessment technique based on local strain measurement using replication. Proceedings of an International Conference on Fossil Power Plant Rehabilitation, Cincinnati, 1989 1989, 13-17. ASM International, Ohio.
40. Ellison K.A., Daleo J.A., Boone D.H. Metallurgical temperature estimates based on interdiffusion between CoCrAlY overlay coatings and a directionally solidified nickel based superalloy substrate. Proceedings of the 6th Liege Conference on Materials for Advanced Power Engineering, Liege, 1998 1998, 1523-1534. Forschungszentrum, Jûlich, Germany.
41. EPRI, 1986, "Generic Guidelines for the Life Extension of Fossil Fuel Power Plants," EPRI report CS-4778, Electric Power Research Institute, Palo Alto, CA.
42. Finnie I. Steady state creep of a thick-walled cylinder under combined axial load and internal pressure. J. Basic Eng. 1960, 1960(Sept):689-694.
43. Frost H.J., Ashby M.F. Deformation Mechanism Maps: The Plasticity and Creep of Metals and Ceramics 1982, Pergamon, Oxford, UK.
44. Gibbons T.B., Herd J.S., McCartney L.N., McLean D. Creep under varying load. Met. Sci. J. 1973, 7:196-204.
45. Goldhoff R.M., Woodford D.A. The evaluation of creep damage in a CrMoV steel, STP 515 1982, 89-106. American Society for Testing and Materials.
46. Gooch D.J. Plant life extension---remanent life assessment of high temperature components. Power Eng. J. 1988, 2(6):323-331.
47. Gooch D.J. How much longer---remanent life assessment of high temperature components. CEGB Research, May, 1988 1988, 60-67. Central Electricity Generating Board, Leatherhead, UK.
48. Gooch D.J. Creep ductility considerations in design and assessment. Proceedings of the Conference on Rupture Ductility of Creep Resistant Steels, York, 1990 1991, 302-312. Institute of Metals, London.
49. D. J Gooch, 1992, "Creep Damage Accumulation under Multiaxial Stress Conditions, Final Report, COST 501(2), Project 5UK2," Commission of the European Communities, Brussels, Belgium.
50. Gooch D.J. Creep design and life extension of large-scale plant. Encyclopedia of Materials: Science and Technology 2001, Pergamon, Oxford. K.H.J. Buschow, R.W. Cahn, M.C. Flemings, B. Ilschner, E.J. Kramer, S. Mahajan (Eds.).
51. D. J. Gooch and M. C. Askins, 1989, "Effect of Load Cycling on Creep Life Prediction of Ferritic Steels, Final Report, COST 505 Project UK22," Commission of the European Communities, Brussels, Belgium and CEGB Report ESTD/L/0003/R89, Central Electricity Generating Board, Leatherhead, UK.
52. Techniques for Multiaxial Creep Testing 1986, Elsevier, London. D.J. Gooch, I.M. How (Eds.).
53. D. J. Gooch, J. A. W. Hunter, W. J. Stevens and R. G. Wilson, 1989a, CEGB approach to the life assessment of fossil fuel power plant. In: "Proceedings of the AIM Conference, Liege, 1989,".
54. Gooch D.J., Kimmins S.T. Type IV cracking in 0.5Cr0.5Mo0.25V/2.25Cr1Mo weldments. Proceedings of the 3rd International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 1987 1987, 689-703. Institute of Metals, London.
55. Gooch D.J., Maguire J.M. Creep cavitation assessment in 1CrMoV rotor steels. Proceedings of the 2nd Parsons Turbogenerator Conference, Cambridge, 1988 1988, 129-135. Institute of Metals, London.
56. D. J. Gooch, M. S. Shammas, M. C. Coleman, S. J. Brett and R. A. Stevens, 1989b, Creep cavitation assessment using field replication. In: "Proceedings of the Conference on Fossil Power Plant Rehabilitation, Cincinnati, 1989," ASM International, Ohio, 1989, Paper 8901-004.
57. Gooch D.J., Strang A., Beech S.M. Hardness evaluation for remanent life assessment of 1CrMoV rotors. Proceedings of the 5th International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 1993 1993, 743-764. Institute of Materials, London.
58. Gooch D.J., Townsend R.D. CEGB remanent life assessment procedures. Proceedings of the EPRI Conference on Life Assessment and Extension of Fossil Fuel Plants, Washington, DC, 1986 1987, 927-943. Pergamon, Oxford.
59. Goodall I.W. Multiaxial data requirements for structural integrity assessments in creep. Techniques for Multiaxial Creep Testing 1986, 3-27. Elsevier, London. D.J. Gooch, I.M. How (Eds.).
60. Goodall I.W., Cockcroft R.D.H., Chubb E.J. An approximate description of the creep rupture of structures. Int. J. Mech. Sci. 1975, 17:351-360.
61. T. Goto, 1984, In: "Proceedings of the 2nd International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea," Institute of Metals, London, pp. 1135-1146.
62. Hart R.V. The effect of prior creep on the rupture properties of power plant alloys and the use of such properties to determine remaining creep life. Proceedings of the International Congress on the Engineering Aspects of Creep, Sheffield, 1980 1980, 207-216. Institute of Mechanical Engineers, London.
63. Hayakawa H., Kanaya A., Koduru A., Watanabe H., Kubota M., Deguchi H., Ohta K. Developments of creep life assessment technique for boiler parts of fossil-fired power plants. Proceedings of the 6th International Conference on Creep and Fatigue 1996, 463-472. Institute of Mechanical Engineers, London.
64. Hayhurst D.R. High temperature design and life assessment of structures using continuum damage mechanics. Proceedings of the 6th International Conference on Creep and Fatigue 1996, 399-410. Institute of Mechanical Engineers, London.
65. Hayhurst D.R., Webster G.A. An overview of studies on stress state effects during creep of circumferentially notched bars. Techniques for Multiaxial Creep Testing 1986, 137-175. Elsevier, London. D.J. Gooch, I.M. How (Eds.).
66. Hepworth J.K., Fackrell J.E., Pinder L.W., Wilson J.D. A modeling approach to gas turbine life management. Life Assessment of Hot Section Gas Turbine Components, Edinburgh, 1999 2000, 281-291. Institute of Materials, London.
67. Honeycombe R.W.K., Bhadeshia H.K.D.H. Steel Microstructures and Properties 1995, Edward Arnold, London.
68. How I.M., Browne R.J., Coleman M.C., Craig I.H., Ham W.H., Hurst R.C., Meecham P.C. A code of practice for internal pressure testing of tubular components at elevated temperatures. Harmonization of Testing Practice for High Temperature Materials 1992, 375-400. Elsevier, London. M.S. Loveday, T.B. Gibbons (Eds.).
69. Hutchinson J.W. Constitutive behavior and crack tip fields for materials undergoing creep-constrained grain boundary cavitation. Acta Metall. 1983, 31:1079-1088.
70. Hyde T., Tang A., Sun W. Analytical and computational stress analysis of welded components under creep conditions. Integrity of High Temperature Welds 1998, 285-308. Institute of Mechanical Engineers, London.
71. Jonas J.J., Weiss I. Met. Sci. 1979, 13:238-245.
72. Jones G.T. Review of HT bolt tightening, removal and replacement procedures. Performance of Bolting Materials in High Temperature Plant Applications 1995, 331-342. Institute of Materials, London. A. Strang (Ed.).
73. Kachanov L.M. Time of the rupture process under creep conditions. Izv. Akad. Nauk. SSSR Otd. Tekh. Nauk 1958, 8:26-31.
74. Kalish D., Kulin S.A., Cohen M. J. Met. 1965, 17(2):157-164.
75. Karlsson S.-A., Persson C., Persson P.-O. Metallographic approach to turbine blade lifetime prediction. Mater. Manufact. Process. 1995, 10(5):939-953.
76. Kimura K., Fujiyama K., Ishii F., Murmatsu M. Effect of material degradation on creep properties and life estimation. Proceedings of the International Conference on Creep, Tokyo, 1986 1986, 343-348. Japanese Society of Mechanical Engineers.
77. Krautwasser P., Widera M., Schuster H., Nickel H. Determination of creep strain in alloy IN100 by small angle neutron diffraction scattering. Superalloys 1992 1992, 665-674. The Mineral, Metals and Materials Society.
78. Kusumoto J., Gotoh Y., Kobayashi T. Development of creep life assessment for boiler parts of fossil power plants. Proceedings of the 9th International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 2001 2001, 579-588. Institute of Materials, London.
79. Lindblom Y. Refurbishing superalloy components for gas turbines. Mater. Sci. Technol. 1985, 1:636-641.
80. Lonsdale R., Flewitt P.E.J. Mater. Sci. Eng. 1979, 39:217-229.
81. Mackay D.J.C. Bayesian non-linear modeling with neural networks. Mathematical Modeling of Weld Phenomena 3 1997, 359-387. Institute of Materials, London. H. Cerjak, H.K.D.H. Bhadeshia (Eds.).
82. Manjoine M.J. Creep-rupture behaviour of weldments. Weld. J. Res. Suppl. 1982, 31:50s-57s.
83. 2 carbides in ex-service 1Cr-0.5Mo steels. Metall. Mater. Trans. A. 1995, 26A:509-520.
84. Middleton C.J. Reheat cavity nucleation and nucleation control in bainitic creep-resisting low-alloy steels: Roles of manganese sulphide, residual, and sulphur-stabilizing elements. Met. Sci. 1981, 15:154-167.
85. K. Milička and F. Doběs, 2001, Comparison of small punch tests performed on exposed power plant part. In: "Proceedings of Baltica V, Condition and Life Management for Power Plants, Helsinki, 2001," Technical Research Centre of Finland, Espoo, Finland, vol. 1, pp. 383--393.
86. M. D. C. Moles, D. V. Leemans and H. J. Westwood, 1980, Residual life estimation of boiler tubing in thermal power plants. In: "Proceedings of the International Conference on Engineering Aspects of Creep, Sheffield, 1980," Institute of Mechanical Engineers, London, vol. 2, pp. 241--247.
87. Murphy M.C., Branch G.D. J. Iron and Steel Inst. 1969, 207:1347-1364.
88. Nakashiro M., Yoneyama H., Shibata S., Umaki H., Izawa N. Proceedings of the 9th International Symposium on Creep Resistant Metallic Materials, Hradec nad Moravici, Czech Republic, 1996 1996, 183-192. Vitkovice, Czech Republic.
89. Nath B. Life management issues for operators. Life Assessment of Hot Section Gas Turbine Components, Edinburgh, 1999 2000, 35-47. Institute of Materials, London.
90. Nath B., Mayer K.H., Beech S.M., Vanstone R.W. Recent developments in Alloy 80A for high temperature bolting applications. Performance of Bolting Materials in High Temperature Plant Applications 1995, 306-317. Institute of Materials, London. A. Strang (Ed.).
91. Needham N.G., Cane B.J. Creep strain and rupture predictions by cavitational assessment in 2(1/4)CrlMo steel weldments. Advances in Life prediction Methods 1983, 65-73. ASME, New York. D.A. Woodford (Ed.).
92. Neubauer B. Remaining life estimation for high temperature materials under creep load by replicas. Nucl. Technol. 1984, 66:308-312.
93. Noltingk B.E., McLachlan F.A., Owen C.K.V., O'Neill P.C. High-stability capacitance strain gauge for use at extreme temperatures. Proc. IEE. 1972, 119(7):897-903.
94. Osgerby S., Dyson B.F. Constant strain rate testing: prediction of stress--strain curves from constant load creep data. Proceedings of the 5th International Creep Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 1993 1993, 53-61. Institute of Metals, London.
95. Osgerby S., Dyson B.F. Physically based modeling of stress relaxation in superalloys and ferritic steels. Performance of Bolting Materials in High Temperature Plant Applications 1995, 362-373. Institute of Materials, London. A. Strang (Ed.).
96. Parker J.D. Recent advances in condition assessment of components based on strain monitoring. Proceedings of Baltica IV, Plant Maintenance for Managing Life and Performance, Helsinki, 1998 1998, vol. 1:239-250. Technical Research Centre of Finland, Espoo, Finland.
97. Parker J.D., McMinn A., Foulds J. Material sampling for the assessment of component integrity. Proceedings of a Conference on Life Assessment and Life Extension of Power Plant Components 1989, 223-230. American Society of Mechanical Engineers, New York. T.V. Narayanan (Ed.).
98. Parker J.D., Stratford G.C., Shaw N., Spink G., Metcalfe H. The application of miniature disc testing for the assessment of creep damage in CrMoV rotor steel. Proceedings of Baltica IV, Plant Maintenance for Managing Life and Performance, Helsinki, 1998 1998, vol. 2:477-488. Technical Research Centre of Finland, Espoo, Finland.
99. Pilling J., Ridley N., Gooch D.J. The effect of phosphorus on creep in 2.25CrlMo steels. Acta Metall. 1982, 30:1587-1595.
100. Quested P.N., Henderson P.J., McLean M. Observations of deformation and fracture heterogeneities in a nickel based superalloy using electron back scattering patterns. Acta Metall. 1988, 36:2743-2752.
101. Rees D.W.A., Brown M.W., Hyde T., Lohr R.D., Morrison C.J., Shammas M. A code of practice for torsional creep testing of tubular test pieces at elevated temperatures. Harmonization of Testing Practice for High Temperature Materials 1992, 331-361. Elsevier, London. M.S. Loveday, T.B. Gibbons (Eds.).
102. Rice J.R., Tracey D.M. On the ductile enlargement of voids in triaxial stress fields. J. Mech. Phys. Solids 1969, 17:201-207.
103. Ridal K.A., Quarrell A.G. J. Iron and Steel Inst. 1962, 200:366-373.
104. Riedel H. Life prediction methods for constrained grain boundary cavitation. Int. J. Pres. Ves. Piping 1989, 39:119-134.
105. B. W. Roberts, A. Strang, 1987, In: "Refurbishment and Life Extension of Steam Plant, London," Institute of Mechanical Engineers, London, pp. 205-213.
106. Robotnov Y.N. Creep Problems in Structural Members 1969, North-Holland, Amsterdam.
107. Robson J.D., Bhadeshia H.K.D.H. Proceedings of the 9th International Symposium on Creep Resistant Metallic Materials, Hradec nad Moravici, Czech Republic, 1996 1996, 83-91. Vitkovice, Czech Republic.
108. Robson J.D., Bhadeshia H.K.D.H. Modeling precipitation sequences in power plant steels. Mater. Sci. Technol. 1997, 13:631-644.
109. Shammas M.S. Remanent life assessment of ferritic weld heat affected zones by a metallographic measurement of cavitation damage---the "A" parameter. Proceedings of the International Conference on Refurbishment and Life Extension of Steam Plant, London, 1987 1987, 289-299. Institute of Mechanical Engineers, London.
110. Simms N.J., Oakey J.E., Nicholls J.R. Predicting the remanent life of corrosion resistant coatings. Life Assessment of Hot Section Gas Turbine Components, Edinburgh, 1999 2000, 271-279. Institute of Materials, London.
111. Steen M., de Witte M. Impact of structural instability on the extrapolation of short-term creep test results. Proceedings of the 3rd International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 1987 1987, 773-802. Institute of Metals, London.
112. Strang A., Beech S.M., Gooch D.J. The potential of creep cavitation measurements for the assessment of the remnant life of 1CrMoV steam turbine rotors. Proceedings of the 9th International Symposium on Creep Resistant Metallic Materials, Hradec nad Moravici, Czech Republic, 1996 1996, Vitkovice, Czech Republic.
113. A. Strang and D. J. Gooch (eds.), 1997, "Microstructural Development And Stability In High Chromium Ferritic Power Plant Steels," Institute of Materials, London.
114. Strang A., Vodárek V. Precipitation processes in martensitic 12CrMoVNb steels during high temperature creep. Microstructural Development and Stability in High Chromium Ferritic Power Plant Steels 1997, 31-52. Institute of Materials, London. A. Strang, D.J. Gooch (Eds.).
115. Strang A., Vodárek V. Modeling and experimental verification of minor phase composition changes in creep resistant 12CrMoVNb steels. Proceedings of the Fifth International Charles Parsons Turbine Conference, Cambridge, 2000 2000, 572-589. Institute of Materials, London.
116. V. P. Swaminathan, J. M. Allen and G. L. Touchton, 1997, Temperature estimation and life prediction of turbine blades using post service oxidation measurements. Trans. ASME, 119, 922--929 (Proceedings of the 1996 International Gas Turbine and Aeroengine Congress & Exhibition. ASME, 1996).
117. Tettamanti S., Crudelli R. Small punch creep test: A promising methodology for high temperature plant components life evaluation. Proceedings of Baltica IV, Plant Maintenance for Managing Life and Performance, Helsinki, 1998 1998, vol. 2:501-510. Technical Research Centre of Finland, Espoo, Finland.
118. Thomson R.C., Bhadeshia H.K.D.H. Carbide precipitation in 12CrMoV power plant steel. Metall. Trans. A. 1992, 23A:1171-1179.
119. R. C. Thomson and H. K. D. H. Bhadeshia, 1994, Changes in chemical composition of carbides in 2.25Cr-1Mo power plant steel. Mater. Sci. Technol., 10, 193--203; 205--208.
120. L. H. Toft and R. A. Mardsen, 1961, "Special Report 70, Structural Processes in Creep," Iron and Steel Institute.
121. Townsend R.D. Historical perspective: a review of service problems. Rupture Ductility of Creep Resistant Steels 1991, 1-16. Institute of Metals, London. A. Strang (Ed.).
122. Townsend R.D. Performance of high temperature bolting in power plant. Performance of Bolting Materials in High Temperature Plant Applications 1995, 15-39. Institute of Materials, London. A. Strang (Ed.).
123. Trampczynski W., Kowalewski Z. A tension-torsion testing technique. Techniques for Multiaxial Creep Testing 1986, 79-92. Elsevier, London. D.J. Gooch, I.M. How (Eds.).
124. VGB, 1992, "Guideline for the Assessment of Microstructure and Damage Development of Creep Exposed Materials for Pipes and Boiler Components, Report VGB-TW 507," VGB, Essen, Germany.
125. Viswanathan R. Residual life techniques for plant life extension. Mater. Sci. Eng. A. 1988, A103:131-139.
126. R. Viswanathan, 1989, "Damage Mechanisms and Life assessment of High Temperature Components," ASM International, Ohio.
127. J. Wareing, I. Bretherton and V. B. Livesey, 1986, Life prediction for elevated temperature components subjected to cyclic deformation. In: "Proceedings of the International Conference on Fatigue of Engineering Materials and Structures, Sheffield, 1986," Institute of Mechanical Engineers, London, Paper C269/86, pp. 147--163.
128. Webster G.A., Ainsworth R.A. High Temperature Component Life Assessment 1994, Chapman and Hall, London.
129. G. A. Webster, S. R. Holdsworth, M. S. Loveday, I. Perrin and H. Purper, 2001, "A Code of Practice for Conducting Notched Bar Creep Rupture Tests and for Interpreting the Data," European Structural Integrity Society Report ESIS TC11, also Fatigue Fract. Eng. Mat., to be published.
130. Wood M.I. The assessment of service induced degradation of nickel based superalloy gas turbine blades. Mater. Manufacturing Processes 1995, 10:903-924.
131. Wood M.I., Raynor D. Condition assessment techniques for degraded gas turbine super-alloy materials. Int. J. Pres. Ves. Piping 1996, 66:341-350.
132. Woodford D.A. Test methods for accelerated development, design and life assessment of high temperature materials. Mater. Des. 1993, 14(2):231-242.
133. D. A. Woodford, 1996, Creep design analysis for superalloys based on stress relaxation testing. In: "Proceedings of the 6th International Conference on Creep and Fatigue," Institute of Mechanical Engineers, London, Paper C494/090/96, pp. 61--70.
134. Woodford D.A., Daleo J.A. Stress relaxation as a basis for blade creep life assessment. Life Assessment of Hot Section Gas Turbine Components, Edinburgh, 1999 2000, 293-309. Institute of Materials, London.
135. Wortmann J. Improving reliability and lifetime of rejuvenated turbine blades. Mater. Sci. Technol. 1985, 1:644-650.
136. Wu R., Storesund J., Sandström R. Influence of postweld heat treatment on creep properties of 1Cr0.5Mo welded joints. Mater. Sci. Technol. 1993, 9:773-780.
137. Zhi L.Y. An analytical approach for interpreting creep curves from small punch tests. Proceedings of the Ninth International Conference on Creep and Fracture of Engineering Materials and Structures, Swansea, 2001 2001, 589-600. Institute of Materials, London.