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THERMOGRAPHIC NON-DESTRUCTIVE EVALUATION

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 13016
Amount: $49,622.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1990
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
1504 Edgehill Dr
Madison, WI 53706
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Dr Neal F Enke
 (608) 238-8120
Business Contact
Phone: () -
Research Institution
N/A
Abstract

THE PROPOSAL IS TO ESTABLISH QUANTITATIVE THERMOGRAPHIC NON-DESTRUCTIVE EVALUATION (QTNDE) FOR NONDESTRUCTIVE INSPECTION AND DEFECT EVALUATION OF FRACTURE-CRITICAL ADVANCED AIRCRAFT MATERIALS. THIS WILL BE BASED ON RECENT THEORETICAL AND EXPERIMENTAL ADVANCES CONCERNING THE ADIABATIC THERMOELASTIC EFFECT AND ADDITIONAL EXPERIMENTS ON TWO DEMONSTRATION MATERIALS. A SCREENING MATRIX WILL BE ESTABLISHED TO RATE QTNDE FOR SUITABILITY TO INVESTIGATE PARTICULAR MATERIALS AND COMPONENTS. THE SCHEME WILL ALLOW REALISTIC CONSIDERATION OF ARBITRARY MATERIALS (ISOTROPIC OR ANISOTROPIC), GEOMETRIES (NOTCHES; FLAWS; COMPLES TOPOLOGIES), AND SERVICE CONDITIONS (WITHOUT UPPER LIMIT IN TEMPERATURE). THE BEST SPECIAL TECHNIQUE OF QTNDE WILL BE USED FOR EACH MATERIAL TO ASSESS THE CRITICALITY OF FLAWS IN TERMS OF DAMAGE EVOLUTION RATES AND LIFE: A) EVOLUTION OF RANDOM STRESS RAISERS, B) MODULUS CHANGE, OR, C) DENSITY CHANGE. THE FULL-FIELD THERMOGRAPHIC DATA ARE ALWAYS COLLECTED AT NONDESTRUCTIVE LEVELS OF CYCLIC LOADS.

* Information listed above is at the time of submission. *

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