amorphous

  • 131Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties …

    Wikipedia

  • 132Crystal — Crystals redirects here. For other uses, see Crystals (disambiguation). This article is about crystalline solids. For the type of glass, see lead crystal. For other uses, see Crystal (disambiguation). Quartz crystal. The individual grains of this …

    Wikipedia