RT Journal Article T1 Characterization and mechanical properties investigation of the cellulose/gypsum composite A1 Nindiyasari, Fitriana A1 Griesshaber, Erika A1 Zimmermann, Tanja A1 Manian, Avinash Pradip A1 Randow, Clemens A1 Randow, Clemens A1 Fernández Díaz, María Lourdes A1 Ziegler, Andreas A1 Fleck, Claudia A1 Schmahl, Wolfgang W. AB We synthesized cellulose/gypsum composites in the presence and absence of sodium alginate and investigated the interaction between the composite components as well as the mechanical properties of the final composites. Four different types of cellulose fiber materials were used: cellulose UFC100, cellulose B400, nanofibrillated cellulose, and Lyocell fiber. For all investigated composites the total amount of admixed cellulose was between 1 and 2 wt%, the amount of admixed sodium alginate was 0.5 wt%. We determined the morphology of the composites and observed that the particle and fiber dimensions of the admixed cellulose affect the mode of gypsum–gypsum interlocking and the total porosity of the composites. This in turn had a substantial influence on the mechanical properties of the final composite materials. The addition of sodium alginate resulted in an increase of ultimate strain values. Composites with Lyocell fiber, a synthetic fiber, also had a high Young’s modulus. PB SAGE Publications SN 0021-9983 YR 2016 FD 2016 LK https://hdl.handle.net/20.500.14352/23683 UL https://hdl.handle.net/20.500.14352/23683 LA eng DS Docta Complutense RD 16 abr 2025