Large area of free-standing sol-gel film transmission gratings were obtained by applying poly-α-methylstyrene as thermal degradation sacrificial layer.Phot
Using chitosan, sodium alginate, and tetraethoxysilane as the initial raw materials,chitosan/alginate/silica ternary aerogel beads were successfully prepare
Polyaluminocarbosilane (PACS) can be employed as precursor not only for SiC fibers of ultrahigh temperature resistance, but also for SiC ceramic matrix and
High-Performance Lightweight castable used in ladle were prepared by introducing fused magnesia powder and microsilica as the matrix.The effects of magnesia