TY JOUR TI Production of porous and highly porous ceramics: classification, change of grain composition, sol-gel technology, fiber ceramics, duplication of polymer matrix. Part I KW ceramics KW porosity KW cellular materials KW strength KW granular powders KW sol-gel KW fibers KW polyurethane foam JO Technique and technology of silicates AU Zaw, Y.. PY 2018 IS 25 PB Individual Entrepreneur Svetlana Vasilievna Samchenko