Structure and properties of the bronze laser alloyed with titanium |
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Authors: | S Kac A Radziszewska J Kusinski |
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Institution: | AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, 30 Mickiewicza Avenue, 30-059 Cracow, Poland |
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Abstract: | The paper describes the microstructure and properties (microhardness and wear resistance) of the bronze laser alloyed with titanium. The laser alloying was done using a pulsed Nd:YAG laser with a generated beam energy of 25-35 J. A very fine microstructure was formed under such rapid solidification conditions like laser treatment. The high chemical homogeneity and fine structure of the melted zone were attributed to high cooling rates due to the short interaction time with Nd:YAG pulsed laser radiation and relatively small volume of the melted material. The structure obtained in the surface layer after laser alloying permits to get a high level of hardness and an improved wear resistance. |
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Keywords: | Microstructure Properties Bronze laser |
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