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dc.contributor.author Dayananda, HGSM
dc.contributor.author Munasinghe, RGNDS
dc.contributor.author Sivahar, V
dc.date.accessioned 2013-10-21T02:12:30Z
dc.date.available 2013-10-21T02:12:30Z
dc.date.issued 2008
dc.date.issued 2008
dc.identifier.uri http://dl.lib.mrt.ac.lk/handle/123/8117
dc.description.abstract Theory of propagation and reflection of ultrasonic waves in metals in used to locate the internal defects of engineering components. It is observed that the energy absorption of ultrasonic waves (attenuation) in a metal depends on the physical and mechanical properties of metals. In this work efforts are made to find the correlation between attenuation and hardness of metals using ultrasonic waves. Commercially available Ultrasonic Flaw Detector bas been used to measure the attenuation of the ultrasonic waves of tool steel (DF2) which has been beat treated to change its hardness. The experimental curve is compared with theoretical equation and it was observed that the experimental values confirm the theoretically proven co-relationship.
dc.language en
dc.title Correlation between ultrasonic attenuation and hardness of tool steels
dc.type Conference-Abstract
dc.identifier.year 2008
dc.identifier.conference Research for Industry
dc.identifier.place Faculty of Engineering, University of Moratuwa
dc.identifier.pgnos 56-57
dc.identifier.proceeding 14th Annual Symposium on Research and Industry


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