▎ 摘 要
NOVELTY - Composite material comprises 20-25 pts. wt. graphene, 0.5-1 pts. wt. silicon, 3-5 pts. wt. iron, 0.2-0.6 pts. wt. aluminum, 2-4 pts. wt. manganese, 0.1-0.3 pts. wt. chromium, 0.05-0.08 pts. wt. cobalt, 0.5-1 pts. wt. carboxymethyl cellulose, 1-3 pts. wt. polyacrylamide, 5-7 pts. wt. sylvine, 7-15 pts. wt. silicon dioxide, 5-10 pts. wt. titanium dioxide and 0.5-2 pts. wt. cupric oxide. USE - Used as composite material. ADVANTAGE - The composite material has good chemical stability, high hardness and large specific surface area; and is economical.