A micromechanical analysis of the ductile-brittle transition at a weld

Engineering Fracture Mechanics

Volumn 62, Issue 4-5, 1999, Pages 317-338

  Needleman, A ^a   Tvergaard, V ^b  

^a BROWN UNIVERSITY   (United States)

^b TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

Author keywords

Ductile brittle transition; Fracture; Micromechanics; Welding

Indexed keywords

BRITTLENESS; DUCTILITY; ELASTOPLASTICITY; FAILURE ANALYSIS; HEAT AFFECTED ZONE; STRAIN; STRAIN HARDENING; VISCOPLASTICITY; WELDS; YIELD STRESS;

PLASTIC DISSIPATION;

FRACTURE MECHANICS;

EID: 0032656227     PISSN: 00137944     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0094-114x(98)00094-9     Document Type: Article

References (28)

1. Harrison J.D., Anderson T.D. Developments in the application of the CTOD approach to fracture assessment of welded constructions. Read D.T., Reed P. Fracture Mechanics, Eighteenth Symposium. 1988;468-484. ASTM STP 945, ASTM, Philadelphia.
2. Schwalbe K-H. Effect of weld metal mismatch on toughness requirements: Some simple analytical considerations using engineering treatment motel (ETM). Int. J. Fract. 56:1992;257-277.
3. Kirk M.T., Dodds R.H. The influence of weld strength mismatch on crack-tip constraint in single edge notch bend specimens. Int. J. Fract. 63:1993;297-316.
4. Kachanov L.M. Time of the rupture process under creep conditions. Izv. Akad. Nauk. USSR Otd. Tekh. Nauk. 8:1958;26.
5. Lemaitre J. Local approach of fracture. Engin. Fract. Mech. 25:1986;523-537.
6. Giovanola J.H., Kirkpatrick S.W. Methodology for evaluating strength and fracture resistance of weldments using a local approach to fracture. Pennell W.E. Pressure Vessel Integrity - 1993, vol. PVP-Vol. 250:1993;1-15 ASME, New York.
7. Gurson AL. Plastic flow and fracture behavior of ductile materials incorporating void nucleation, growth and interaction. Ph.D. Thesis, Brown University, 1975.
8. Gurson A.L. Continuum theory of ductile rupture by void nucleation and growth: Part I - yield criteria and flow rules for porous ductile media. J. Engng. Mat. Tech. 99:1977;2-15.
9. Tvergaard V. Material failure by void growth to coalescence. Adv. Appl. Mech. 27:1990;83-151.
10. Tvergaard V., Needleman A. Effect of material rate sensitivity on failure modes in the Charpy V-notch test. J. Mech. Phys. Solids. 34:1986;213-241.
11. Tvergaard V., Needleman A. An analysis of the brittle-ductile transition in dynamic crack growth. Int. J. Fract. 59:1993;53-67.
12. Ritchie R.O., Knott J.F., Rice J.R. On the relationship between critical tensile stress and fracture toughness in mild steel. J. Mech. Phys. Solids. 21:1973;395-410.
13. Kalthoff J.K. Transition in the failure behavior of dynamically shear loaded cracks. Proceedings of 11th US National Congression Applied Mechanics. Appl. Mech. Rev. 43:1990;S247-S250.
14. Pan J., Saje M., Needleman A. Localization of deformation in rate sensitive porous plastic solids. Int. J. Fract. 21:1983;261-278.
15. Tvergaard V. Influence of voids on shear band instabilities under plane strain conditions. Int. J. Fract. 17:1981;389-407.
16. Tvergaard V. On localization in ductile materials containing spherical voids. Int. J. Fract. 18:1982;237-252.
17. Tvergaard V., Needleman A. Analysis of the cup-cone fracture in a round tensile bar. Acta Metall. 32:1984;157-169.
18. Chu C.C., Needleman A. Void nucleation effects in biaxially stretched sheets. J. Engng Mater. Technol. 102:1980;249-256.
19. Belytschko T., Chiapetta R.L., Bartel H.D. Efficient large scale non-linear transient analysis by finite elements. Int. J. Numer. Meth. Engng. 10:1976;579-596.
20. Krieg R.D., Key S.W. Transient shell response by numerical time integration. Int. J. Numer. Meth. Engng. 7:1973;273-286.
21. Peirce D., Shih C.F., Needleman A. A tangent modulus method for rate dependent solids. Comput. Struct. 18:1984;875-887.
22. Tvergaard V. Influence of void nucleation on ductile shear fracture at a free surface, J. Mech. Phys. Solids 1982;30:399-425.
23. Taylor G.I., Quinney H. The latent energy remaining in a metal after cold working. Proc. R. Soc. London. A143:1934;307-326.
24. Barsom J.M., Rolfe S.T. Fracture and fatigue control in structures: applications of fracture mechanics. 2nd ed :1987;265 Prentice-Hall, Englewood Cliffs, NJ.
25. Needleman A., Tvergaard V. Mesh effects in the analysis of dynamic ductile crack growth. Engng. Fract. Mech. 47:1994;75-91.
26. Gao X., Shih C.F., Tvergaard V., Needleman A. Constraint effects on the ductile-brittle transition in small scale yielding. J. Mech. Phys. Solids. 44:1996;1255-1282.
27. Needleman A., Tvergaard V. Dynamic crack growth in a nonlocal progressively cavitating solid. Eur. J. Mech. A/Solids. 17:1998;421-438.
28. Mathur K.K., Needleman A., Tvergaard V. 3D analysis of failure modes in the charpy impact test. Modell. Simul. Mater. Sci. Engng. 2:1994;617-635.