Introduction of polycrystal constitutive laws in a finite element code with applications to zirconium forming

Technical Report · Sat Aug 01 00:00:00 EDT 1998

DOI:https://doi.org/10.2172/638216· OSTI ID:638216

Maudlin, P J; Tome, C N; Kaschner, G C; Gray, III, G T

In this work the authors simulate the compressive deformation of heavily textured zirconium sheet using a finite element code with the constitutive response given by a polycrystal self-consistent model. They show that the strong anisotropy of the response can be explained in terms of the texture and the relative activity of prismatic (easy) and pyramidal (hard) slip modes. The simulations capture the yield anisotropy observed for so-called through-thickness and in-plane compression tests in terMs of the loading curves and final specimen geometries.

• Research Organization: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 638216
• Report Number(s): LA-UR-98-0788; CONF-980675-; ON: DE98003715; TRN: 98:007853
• Resource Relation: Conference: 6. international conference on numerical methods in industrial forming processes, Enschede (Netherlands), 22-25 Jun 1998; Other Information: PBD: [1998]
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ZIRCONIUM
COMPUTERIZED SIMULATION
FINITE ELEMENT METHOD
TEXTURE
DEFORMATION
THEORETICAL DATA
MECHANICAL TESTS
EXPERIMENTAL DATA
MATERIALS WORKING