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http://dx.doi.org/10.5139/JKSAS.2004.32.8.101

Tensile Characteristics of A12024-T3 under Rapid Heating  

Kim, Jong-Hwan (국방과학연구소)
Kim, Jae-Hoon (충남대학교 기계설계공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.32, no.8, 2004 , pp. 101-108 More about this Journal
Abstract
The thermomechanical tensile characteristics were evaluated for A12024-T3 under heating rates from $1^{\circ}C/sec\;to\;30^{\circ}C/sec$ by using an infrared heating equipment to simulate aerodynamic heating. The rapid heating test results were compared with tensile test results after 1/2 hour exposure in terms of yield stress to investigate the influence of heating condition. A heating rate-yield temperature parameter was suggested for rapid heating based on time-temperature parameters, and master yield stress curve was obtained by using these parameter. These test results can be used for margin of safety of supersonic vehicle structures subjected to aerodynamic heating.
Keywords
Aerodynamic Heating; Rapid Heating; Yield Stress; Yield Temperature; Tensile Test;
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