TY - GEN
T1 - Fracture indentation on AISI 1018 borided steels
AU - Campos-Silva, I.
AU - Ortiz-Domínguez, M.
AU - Hernández-Sánchez, E.
AU - Bravo-Bárcenas, D.
AU - Bravo-Bárcenas, O.
AU - Doñu-Ruíz, M. A.
AU - Martínez-Trinidad, J.
AU - Jiménez-Bernal, J. A.
AU - Domínguez-Galicia, Y.
PY - 2010
Y1 - 2010
N2 - Fracture indentation was applied to estimate the fracture toughness of AISI 1018 borided steels. The Fe2B hard layers were formed using the powder-pack boriding process for two temperatures with 4 and 8 h of exposure times. The fracture toughness of the iron boride layer of the AISI 1018 borided steels was estimated using a Vickers microindentation induced-fracture testing at distances of 15 and 30 μm from the surface, applying four loads (0.49, 0.98, 1.96 and 2.9 N). The microcracks generated at the corners of the Vickers microindentation were considered as experimental parameters, which are introduced in a Palmqvist crack model to determine their corresponding fracture toughness KC. As a result, the experimental parameters, such as exposure time and boriding temperature are compared with the resulting fracture toughness of the borided phase.
AB - Fracture indentation was applied to estimate the fracture toughness of AISI 1018 borided steels. The Fe2B hard layers were formed using the powder-pack boriding process for two temperatures with 4 and 8 h of exposure times. The fracture toughness of the iron boride layer of the AISI 1018 borided steels was estimated using a Vickers microindentation induced-fracture testing at distances of 15 and 30 μm from the surface, applying four loads (0.49, 0.98, 1.96 and 2.9 N). The microcracks generated at the corners of the Vickers microindentation were considered as experimental parameters, which are introduced in a Palmqvist crack model to determine their corresponding fracture toughness KC. As a result, the experimental parameters, such as exposure time and boriding temperature are compared with the resulting fracture toughness of the borided phase.
KW - Boride layers
KW - Boriding
KW - Fracture indentation
KW - Fracture toughness
KW - Mechanical properties
KW - Palmqvist cracks models
UR - http://www.scopus.com/inward/record.url?scp=78650462608&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/KEM.449.9
DO - 10.4028/www.scientific.net/KEM.449.9
M3 - Contribución a la conferencia
SN - 9780878492534
T3 - Key Engineering Materials
SP - 87
EP - 95
BT - Fracture Mechanics
PB - Trans Tech Publications Ltd
ER -