NDLI: Elevated temperature crack growth (Document No: 19850025227)

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Elevated temperature crack growth (Document No: 19850025227)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Vanstone, R. H. Malik, S. N. Yau, J. F. Kim, K. S. Laflen, J. H.
Copyright Year	1985
Description	The objective of the Elevated Temperature Crack Growth Project is to evaluate proposed nonlinear fracture mechanics methods for application to combustor liners of aircraft gas turbine engines. During the first year of this program, proposed path-independent (P-I) integrals were reviewed for such applications. Several P-I integrals were implemented into a finite-element postprocessor which was developed and verified as part of the work. Alloy 718 was selected as the analog material for use in the forthcoming experimental work. A buttonhead, single-edge notch specimen was designed and verified for use in elevated-temperature strain control testing with significant inelastic strains. A crack mouth opening displacement measurement device was developed for further use.
File Size	2030848
Page Count	72
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19850025227
Archival Resource Key	ark:/13960/t7qp10x51
Language	English
Publisher Date	1985-08-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Finite Element Method Crack Opening Displacement Fracture Mechanics Gas Turbine Engines Linings Aircraft Engines Crack Initiation 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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