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Brinell and Vickers hardness measurement using image processing and analysis te...
Pedro Pedrosa Rebouças Filho; Tarique da Silveira Cavalcante; Victor Hugo Costa de Albuquerque; João Manuel Ribeiro Silva TavaresMechanical hardness testing is fundamental in the evaluation of the mechanical properties of metallic materials due to the fact that the hardness values allow one to determine the wear resistance of the material involved, as well as the approximate values of its ductility, flow tension, among a number of other key characteristics. As a result, the main objective of the present work has been the development and ...
New System Based on Image Processing and Analysis Techniques for Vickers and Br...
Victor Hugo Costa de Albuquerque; Tarique da Silvira Cavalcante; Pedro Pedrosa Rebouças Filho2; João Manuel R. S. Tavares
Measurement of welding dilution from images using active contours
Pedro Pedrosa Rebouças Filho; Tarique da Silveira Cavalcante; Victor Hugo Costa de Albuquerque; João Manuel R. S. Tavares; Paulo César CortezWelding dilution is the chemical composition modification of the weld metal, caused by the portion of base metal that suffers melting and starts to form the fusion zone. Its measure is given by the percentage of the base metal that takes part in the formation of the weld filet, and it varies according to the used welding process, type of join, pre-heat temperature, consumable, parameters of welding, among other...
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