Ba3ZnzCo2-zFe24O41/SiO2 (Z varies from 0.0 to 1.2 in step of 0.4) microcrystalline glass ceramics were prepared by citrate sol-gel process at 1 200 ℃ in the sy
<正>As-cast AZ91+XCa (X=0, 0.5%, 1.0%, 1.5%, mass fraction) magnesium alloys were extruded into tube at 380℃with an extrusion ratio of 6:1. The tensile propert
Sm(Coba1 Fe0.197Cu0.049Zr0.026)7.5 magnet with Hci of 2105 kA/m andβ18-200℃ of - 0.17%/℃ was made by sintering processing. The magnet has uniform celluler st
The height anomaly surface is fitt and the quasi-geoid can be obtained when the height anomaly is determined with the geometric analytic method. Therefore, some mathematical models to fit height anoma
<正>Microstructure evolution of ZK60 magnesium alloy deformed at 623 K by cyclic extrusion compression (CEC) large deformation method was investigated. ZK60 all