▎ 摘　　要

NOVELTY - Composite armor material is claimed. The preparation of material comprises e.g. (i) taking graphene and stainless steel powder, (ii) ultrasonically dispersing graphene in alcoholic solution to obtain graphene/alcohol mixed solution, (iii) adding stainless steel powder to graphene/alcohol mixed solution, and mixing to obtain semi-solid paste-type graphene/stainless steel mixed powder, (iv) drying semi-solid paste-type graphene/stainless steel mixed powder, and (v) mixing graphene/stainless steel mixed powder obtained in step (iv) to obtain mixed powder sheet structure containing final product. USE - Used as composite armor material. ADVANTAGE - The material has low cost, good market prospect, simple preparation process, adjustable and controllable process and suitable for industrial production. DETAILED DESCRIPTION - Composite armor material is claimed. The preparation of material comprises (i) taking graphene and -200 + 400 mesh stainless steel powder, (ii) ultrasonically dispersing graphene in alcoholic solution for 0.5-1 hours to obtain graphene/alcohol mixed solution, (iii) adding stainless steel powder to graphene/alcohol mixed solution at 40-60 degrees C and stirring at a speed of 100-500 revolution/minute, and mixing for 1-2 hours to obtain semi-solid paste-type graphene/stainless steel mixed powder, (iv) drying semi-solid paste-type graphene/stainless steel mixed powder at 50-60 degrees C for 2-3 hours, (v) mixing graphene/stainless steel mixed powder obtained in step (iv) to obtain mixed powder sheet structure containing final product, where the stainless steel comprises 0.06-0.12 wt.% carbon, 2.5-4.5 wt.% manganese, 0.5-2 wt.% nickel, 1.5-3.2 wt.% copper, 0.1-1.5 wt.% silicon, 18-20 wt.% chromium, 0.05-0.17 wt.% nitrogen, iron and other unavoidable impurities (remaining amount).