MT-1620 Fall 2002 i of Independent Material Type Components of Emnpg Anisotropic 21 Monoclinic 13 Composite Laminates Orthotropic Useful Engineering Tetragonal Materials Basic-Transversely Isotropic 5 Composite Cubic Metals Isotropic 2 (on average) Good Reference BMP ch 7 not in BMP For orthotropic materials(which is as complicated as we usually get) there are no coupling terms in the principal axes of the material Paul A Lagace @2001 Unit 4 -p 14MIT - 16.20 Fall, 2002 Isotropic 2 Cubic 3 “Transversely Isotropic”* 5 Tetragonal 6 Orthotropic 9 Monoclinic 13 Anisotropic 21 # of Independent Components of Emnpq Material Type Useful Engineering Materials Composite Laminates Basic Composite Ply Metals (on average) Good Reference: BMP, Ch. 7 *not in BMP For orthotropic materials (which is as complicated as we usually get), there are no coupling terms in the principal axes of the material Paul A. Lagace © 2001 Unit 4 - p. 14