Recent progresses in materials science are described from the viewpoint of cluster-based materials. Solids constructed from carbon clusters are reviewed and unique properties are summarized with their crystal structural features. Future perspectives in cluster science are also briefly discussed.
High-glass-content glass fiber-reinforced plastics (GFRPs) have been developed, a commercially available GFRP with a 72vol% woven E-glass content and another with 74vol%. The thermal contraction in the laminated direction down to liquid nitrogen temperature was 0.27 and 0.25%, respectively. Compressive modulus at room temperature was 23.6 and 24.8GPa, respectively. When the glass content of GFRP made of commercially available glass cloth and produced by hot pressing was increased to more than 75vol%, thermal contraction and Young's modulus were not improved.