53882document16167Fig21_hardness_vs_R_69p5pc_SiO2_v6.agrtext/plain7fbc4e6701d10c61133614c0d232dd62MD5642012022-06-27 18:36:43https://researchdata.bath.ac.uk/1139/66/Fig21_hardness_vs_R_69p5pc_SiO2_v6.agr