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The present study evaluates the fracture toughness on Fe 2 B borided layers. Formation of the layers was obtained by means of the paste boriding process on an AISI 1045 steel surface. The treatment was carried out at temperatures of 1123, 1173, 1223 and 1273K for 8h using a 4mm thickness layer of boron carbide paste over the material surface. A Vickers microhardness tester was used to generate...
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