Ultrasonic characterisation of hot-rolled and heat-treated plain carbon steels
The aim of the study is to characterise hot-rolled and heat-treated plain-C steels (SAE 1020 and 1050) by ultrasonic velocity and attenuation measurements. Various heat treatment procedures were applied by changing the austenitisation temperature and the cooling rate to distinguish the effects of grain size and microstructural phases on ultrasonic properties. Velocities of both longitudinal and transversal waves were measured and backwall echo patterns were obtained for each specimen. The variations in the ultrasonic velocity and attenuation behaviour were discussed considering the microstructural investigations and hardness test results.
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Document Type: Research Article
Affiliations: Middle East Technical University, Metallurgical and Materials Eng. Dept., 06531 Ankara-Turkey
Publication date: September 1, 2003
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- Official Journal of The British Institute of Non-Destructive Testing - includes original research and devlopment papers, technical and scientific reviews and case studies in the fields of NDT and CM.
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