NDLI: The m-integral for computing stress intensity factors in generally anisotropic materials

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The m-integral for computing stress intensity factors in generally anisotropic materials

Content Provider	NASA Technical Reports Server (NTRS)
Author	Banks-Sills, L. Warzynek, P. A. Carter, B. J.
Copyright Year	2005
Description	The objective of this project is to develop and demonstrate a capability for computing stress intensity factors in generally anisotropic materials. These objectives have been met. The primary deliverable of this project is this report and the information it contains. In addition, we have delivered the source code for a subroutine that will compute stress intensity factors for anisotropic materials encoded in both the C and Python programming languages and made available a version of the FRANC3D program that incorporates this subroutine. Single crystal super alloys are commonly used for components in the hot sections of contemporary jet and rocket engines. Because these components have a uniform atomic lattice orientation throughout, they exhibit anisotropic material behavior. This means that stress intensity solutions developed for isotropic materials are not appropriate for the analysis of crack growth in these materials. Until now, a general numerical technique did not exist for computing stress intensity factors of cracks in anisotropic materials and cubic materials in particular. Such a capability was developed during the project and is described and demonstrated herein.
File Size	2480275
Page Count	92
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20060002645
Archival Resource Key	ark:/13960/t70w3fp05
Language	English
Publisher Date	2005-07-01
Access Restriction	Open
Subject Keyword	Metals And Metallic Materials Isotropy Cracks Stress Intensity Factors Anisotropy Programming Languages Crack Propagation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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