The effect of the weld mismatch on the yield load of C(T) and SE(B) fracture specimens

Authors

  • J. R. Donoso Departamento Ciencia de Materiales, Universidad Técnica Federico Santa María
  • R. Leiva Departamento de Mecánica, Universidad Técnica Federico Santa María
  • F. Labbé Departamento de Mecánica, Universidad Técnica Federico Santa María, Valparaíso

DOI:

https://doi.org/10.3989/revmetalm.0721

Keywords:

Mismatch, Common format, Yield load

Abstract


The yield load values of two-dimensional C(T) and SE(B) specimens with various degrees of mismatch, were numerically evaluated. The yield load values were normalized using the Common Format in order to analyze the effect of the weld, using as reference material C(T) and SE(B) specimens made only of base metal (BM). In undermatched specimens (the weld metal elastic limit is lower than that of BM) the normalized yield load decreases compared to the elastic limit of BM. In overmatched specimens (the weld metal elastic limit is larger than that of BM), the yield load increases. This variation of the yield load depends on the degree of mismatch, and on the relation between weld size and crack length. The numerical results were compared with experimental values obtained with mismatched weld C(T) specimens using an ASTM A 588 steel as base metal.

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References

[1] J.R. Donoso, A. Ortiz y F. Labbé, Rev. Metal. Madrid 39 (2003) 357-366.

[2] R. Leiva, J.R. Donoso, U. Muehlich y F. Labbé, Rev. Metal. Madrid 40 (2004) 3-12.

[3] J. Joch, R.A. Ainsworth y T.H. Hyde, Fatigue Fract. Eng. Mater. Struct. 1993 (16) 1.061-1.079.

[4] M.C. Burstow y R.A. Ainsworth, Fatigue Fract. Eng. Mater. Struct. 1995 (18) 221-234.

[5] M.C. Burstow, I.C. Howard y R.A. Ainsworth, Int. J. Fracture 89 (1998) 117-142. doi:10.1023/A:1007480827982

[6] A.S. Kim, J. Besson, y A. Pineau, Int. J. Solids Struct. 36 (1999) 1.845-1.864.

[7] N.P. O’Dowd y C.F. Shih, J. Mech Phys. Solids 40 (1992) 939-963. doi:10.1016/0022-5096(92)90057-9

[8] O. Ranestad, Z.L. Zhang y C. Thaulow, Int. J. Frac ture 88 (1997) 315-333.

[9] C. Thaulow, Z.L. Zhang, O. Ranestad y M. Hauge, Fatigue and Fracture Mechanics 30, ASTM STP 1360, P. Paris y K. Jerina (Eds.), 2000, pp. 102-114. doi:10.1520/STP13398S

[10] K.H. Schwalbe, U. Zerbst, Y.J. Kim, W. Brocks, A. Cornec y H. Amstutz, EFAM ETM 97, GKSS Research Centre, GKSS/98/E/6, Alemania, 1997.

[11] Y.J. Kim y K.H. Schwalbe, Eng. Fract. Mech. 2001 (68) 1.137-1.151.

[12] J.R. Donoso y J.D. Landes, Eng. Fract. Mech. 1994 (47) 619-628. doi:10.1016/0013-7944(94)90153-8

[13] J.R. Donoso y J.D. Landes, Fatigue and Fracture Mechanics 30, ASTM STP 1360, P. Paris y K. Jerina (Eds.), 2000, pp. 34-50. doi:10.1520/STP13393S

[14] Hibbit, Karlson & Sorensen, Inc., 2000. ABAQUS Manuals, version 6.1.

[15] U. Muehlich, J.R. Donoso y J.D. Landes, Int. J.Fracture 133 (2005) 371-388. doi:10.1007/s10704-005-5825-3

[16] J.R. Donoso, J. Zahr y J.D. Landes, Fatigue and Fracture Mechanics 34, ASTM STP 1461, S.R. Daniewicz, J.C. Newman y K-H Schwalbe (Eds.), 2005, pp. 323-339.

[17] J.R. Donoso, J. Zahr y J.D. Landes, Rev. Metal. Madrid 41 (2005) 401-480.

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Published

2008-10-30

How to Cite

Donoso, J. R., Leiva, R., & Labbé, F. (2008). The effect of the weld mismatch on the yield load of C(T) and SE(B) fracture specimens. Revista De Metalurgia, 44(5), 389–397. https://doi.org/10.3989/revmetalm.0721

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