TY - JOUR T1 - Study of Crystallization and Composition on Silicon Oxycarbide (SiOC) and Silicon Boron Oxycarbide (SiBOC) Ceramics Obtained from Alkoxysilanes Precursors JO - Journal of the Brazilian Chemical Society A1 - Segatelli, Mariana G A1 - Sanchez, Patricia M A1 - Silva, Lívia R. C A1 - Silva, Maria A A1 - Tarley, César R. T A1 - Silva, Paulo R. C. da A1 - Ribeiro, Emerson S SN - 0103-5053 UL - 10.21577/0103-5053.20210023 VL - 32 Y1 - 2021 PB - Brasil ER -