Plastic General Instability of Ring-Stiffened Conical Shells under External Pressure
p.213
p.213
Factors Influencing the Suitability of Thermal Methods for Stress Analysis of NiTi Shape Memory Alloys
p.225
p.225
Deformation Evaluation of Solder Ball Joints by Electromotive Force
p.233
p.233
Strain Sensing with Nanoscale Carbon Fiber – Epoxy Composites
p.239
p.239
Real-Time Monitoring of Dynamic Stress Concentration by Mechanoluminescent Sensing Film
p.247
p.247
Detecting and Identifying Artificial Acoustic Emission Signals in an Industrial Fatigue Environment
p.251
p.251
A Modified Algorithm for Reducing Calculation Errors in Large Strain Measurement with Strain Gauges
p.261
p.261
Experimental Analysis and Quasi-Static Numerical Idealization of Dynamic Stresses on a Heavy Truck Chassis Frame Assembly
p.271
p.271
Gas Turbine Blade Stress Analysis and Mode Shape Determination Using Thermoelastic Methods
p.281
p.281
Real-Time Monitoring of Dynamic Stress Concentration by Mechanoluminescent Sensing Film
Abstract:
In this paper, we demonstrate that a dynamic stress concentration around Lüders band can be directly displayed using mechanoluminescence (ML) sensing film of SrAl2O4:Eu (SAO) coated on the surface of metal. Uniaxial tensile test of an aluminum alloy (2.5% Mg) plate coated with the SAO sensing film was performed and the ML images were recorded using a high-speed camera. Captured ML images confirmed the formation and propagation of Lüders band clearly in real time.
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Periodical:
Applied Mechanics and Materials (Volumes 13-14)
Pages:
247-250
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Online since:
July 2008
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