TY - GEN
T1 - Evaluation of adhesion strength in a Ti/Al2O3 composite
AU - Wang, Hsin Fu
AU - Nelson, John C.
AU - Lin, Chien Li
AU - Gerberich, William W
AU - Skowronek, Charles J.
AU - Deve, Herve E.
PY - 1993
Y1 - 1993
N2 - The mechanical properties of interfaces in Ti/Al2O3 composites were characterized by four point bending and fiber pushout tests. To determine the bi-material fracture toughness with four point bending tests, planar interfaces were evaluated as sandwich composites. By changing the processing temperature from 700 °C to 1000 °C, the interfacial fracture energy was found to increase up to 950 °C. It then decreases when the processing temperature is further increased to 1000 °C. This is because of the formation of the intermetallic compound (Ti3Al). Interfacial shear strength and interfacial frictional stress of 323 MPa and 312 MPa were obtained, respectively, by performing pushout tests of the Al2O3 fiber reinforced Ti matrix composites. These values are smaller than the shear yielding strength of the Ti matrix which is 525 MPa.
AB - The mechanical properties of interfaces in Ti/Al2O3 composites were characterized by four point bending and fiber pushout tests. To determine the bi-material fracture toughness with four point bending tests, planar interfaces were evaluated as sandwich composites. By changing the processing temperature from 700 °C to 1000 °C, the interfacial fracture energy was found to increase up to 950 °C. It then decreases when the processing temperature is further increased to 1000 °C. This is because of the formation of the intermetallic compound (Ti3Al). Interfacial shear strength and interfacial frictional stress of 323 MPa and 312 MPa were obtained, respectively, by performing pushout tests of the Al2O3 fiber reinforced Ti matrix composites. These values are smaller than the shear yielding strength of the Ti matrix which is 525 MPa.
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U2 - 10.1557/proc-314-103
DO - 10.1557/proc-314-103
M3 - Conference contribution
AN - SCOPUS:0027251154
SN - 155899212X
SN - 9781558992122
T3 - Materials Research Society Symposium Proceedings
SP - 103
EP - 108
BT - Materials Research Society Symposium Proceedings
PB - Publ by Materials Research Society
T2 - Joining and Adhesion of Advanced Inorganic Materials
Y2 - 12 April 1993 through 14 April 1993
ER -