Al 2O 3 material was synthesized by using high purity alumina micro powder and Mg Zr Y composite additives at temperature of 1 600 ℃, which had good mechanics property of 416 MPa bending strength and 5.46 MPa·m ...Al 2O 3 material was synthesized by using high purity alumina micro powder and Mg Zr Y composite additives at temperature of 1 600 ℃, which had good mechanics property of 416 MPa bending strength and 5.46 MPa·m 1/2 fracture toughness. Femur head prosthesis of hip joint was prepared by using this material; Ti alloy femur handle was sprayed bioactive hydroxyapatite (HA) by plasma on surface, which improves the chemistry stability and biocompatibility of Ti alloy; ceramic metal combination artificial hip joint femur prosthesis was made by combining Al 2O 3 femur head with Ti alloy femur handle, so the manufacturing process is improved and the property and application flexibility are advanced.展开更多
文摘Al 2O 3 material was synthesized by using high purity alumina micro powder and Mg Zr Y composite additives at temperature of 1 600 ℃, which had good mechanics property of 416 MPa bending strength and 5.46 MPa·m 1/2 fracture toughness. Femur head prosthesis of hip joint was prepared by using this material; Ti alloy femur handle was sprayed bioactive hydroxyapatite (HA) by plasma on surface, which improves the chemistry stability and biocompatibility of Ti alloy; ceramic metal combination artificial hip joint femur prosthesis was made by combining Al 2O 3 femur head with Ti alloy femur handle, so the manufacturing process is improved and the property and application flexibility are advanced.
