TY - GEN
T1 - Study on thixo-die-forging of 37vol.%Al/Al2O3 composite in pseudo-semi-solid state
AU - Cheng, Yuan Sheng
PY - 2009
Y1 - 2009
N2 - A new procedure, thixo-die-forging of ceramics/metal composite in the pseudo-semi-solid state, has been proposed based on powder metallurgy combining with the semi-solid processing of metal. The cup-shaped parts of Al/Al 2O3 composite are processed with thixo-die-forging. By metallographic analysis and performance tests, the results show that microstructures are compact, grains are fine and mechanical properties are excellent. The bend strength and fracture toughness of 37vol.%Al/Al 2O3 are about 430-690MPa and 8.5-16.8 MPa·m 1/2 respectively. Comparing with those of the reaction in situ and high temperature oxidation procedures, the bend strength increases by 50% and 80%, and fracture toughness increases by 29% and 55%, respectively. The results also show that the processing parameters, such as temperature and pressure have great influences on the properties. Thixo-die-forging in the pseudo-semi-solid state can prepare Al/Al2O3 composite with high performance.
AB - A new procedure, thixo-die-forging of ceramics/metal composite in the pseudo-semi-solid state, has been proposed based on powder metallurgy combining with the semi-solid processing of metal. The cup-shaped parts of Al/Al 2O3 composite are processed with thixo-die-forging. By metallographic analysis and performance tests, the results show that microstructures are compact, grains are fine and mechanical properties are excellent. The bend strength and fracture toughness of 37vol.%Al/Al 2O3 are about 430-690MPa and 8.5-16.8 MPa·m 1/2 respectively. Comparing with those of the reaction in situ and high temperature oxidation procedures, the bend strength increases by 50% and 80%, and fracture toughness increases by 29% and 55%, respectively. The results also show that the processing parameters, such as temperature and pressure have great influences on the properties. Thixo-die-forging in the pseudo-semi-solid state can prepare Al/Al2O3 composite with high performance.
KW - Bend strength
KW - Ceramics/metal composites
KW - Fracture toughness
KW - Pseudo-semi-solid state
KW - Thixo-die-forging
UR - https://www.scopus.com/pages/publications/74049094764
U2 - 10.4028/www.scientific.net/AMR.79-82.11
DO - 10.4028/www.scientific.net/AMR.79-82.11
M3 - 会议稿件
AN - SCOPUS:74049094764
SN - 0878493042
SN - 9780878493043
T3 - Advanced Materials Research
SP - 11
EP - 14
BT - Multi-Functional Materials and Structures II
T2 - 2nd International Conference on Multi-Functional Materials and Structures, MFMS-2009
Y2 - 9 October 2009 through 12 October 2009
ER -