A simplified analysis of the effect of microstructure gradient on the stress relief of aluminum plates and extrusions

International Journal of Mechanical Sciences

Volumn 45, Issue 9, 2003, Pages 1483-1503

  Karabin, M E ^a   Barlat, F ^a   Becker, R ^a,b  

^a ALCOA TECHNICAL CENTER   (United States)

^b LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

Plastic anisotropy; Residual stress; Strength range; Stress range; Stress relief

Indexed keywords

ALUMINUM ALLOYS; ANISOTROPY; BOUNDARY CONDITIONS; DIFFERENTIAL EQUATIONS; ELASTIC MODULI; EXTRUSION; INTEGRATION; MICROSTRUCTURE; POISSON RATIO; QUENCHING; RESIDUAL STRESSES; STRAIN RATE; STRENGTH OF MATERIALS; STRESS RELIEF; THERMAL GRADIENTS; THERMAL STRESS;

HOMOGENEIZATION; PLASTIC ANISOTROPY; STRENGTH RANGE;

PLATES (STRUCTURAL COMPONENTS);

EID: 0942299372     PISSN: 00207403     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijmecsci.2003.10.004     Document Type: Article

References (6)

1. Heymes F, Commet B, Du Bost B, Lassince P, Lequeu P, Raynaud G-M. Development of new Al alloys for distortion free machined aluminum aircraft components. Proceedings of the First Non-Ferrous Processing and Technology Conference, St. Louis, MO, 10-12 March, 1997. p. 249-55.
2. Prime M.B., Hill M.R. Residual stress, stress relief and inhomogeneity in aluminum plate. Scripta Materialla. 46:2002;77-82.
3. Mendelson A., Spero S.W. A general solution for the elastoplastic thermal stresses in a strain-haredening plate with arbitrary material properties. Journal of Applied Mechanics. 29:1962;151-158.
4. Hill R. A theory of the yielding and plastic flow of anisotropic metals. Proceedings of the Royal Society of London 1948;193A:281-97.
5. Schultz RW, Karabin ME. Characterization of machining distortion by strain energy density and stress range. Sixth European Conference on Residual Stress, Coimbra, Portugal, 2002.
6. ABAQUS User's Manual, Version 5.8. Pawtucket, RI: Hibbitt, Karlsson & Sorensen, Inc., 1998.