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https://doi.org/10.1007/BF00544161

has been cited by the following article:

• TITLE: Mechanical Characterization and Micro-Wear of FeB-Fe2B Layers on Boriding AISI D2 and AISI 4340 Steels

  AUTHORS: Suellen Terroso de Mendonça Ferreira, André Luiz Klemes Bacco, Eduardo Mauro do Nascimento, Carlos Maurício Lepienski

  KEYWORDS: Iron Boride, Micro-Wear Test, Mechanical Properties, Boriding

  JOURNAL NAME: Materials Sciences and Applications, Vol.12 No.7, July 6, 2021

  ABSTRACT: The mechanical behavior and wear of the different hardened phases with bore-induced changes in AISI 4340 and AISI D2 steels were investigated. The hardness and modulus of elasticity were measured by nanoindentation and the values obtained for the layers in AISI D2 steel were 18 GPa and 325 GPa in the Fe2B boride phase, and 20 GPa and 360 GPa in the FeB boride phase, respectively. The AISI 4340 steel presented mainly the Fe2B phase. It was then possible to analyze the coefficient of friction obtained in the Fe2B phase of the steel AISI 4340 presented a range of 0.04 to 0.06. The AISI D2 steel presents two different phases in the boride layer being the coefficient of friction higher for the test in the FeB phase than for Fe2B, and the values vary from 0.065 to 0.075. These parameters were obtained with micro-wear tests. No adhesion failures were observed after the sliding tests in the interface of the two different boride layers. Cracks in the FeB phase after the sliding test were much more frequent.