Effect of lateral size of graphene nano-sheets on the mechanical properties and machinability of alumina nano-composites

Preparation, mechanical properties, and toughening mechanisms of SiCw/SiCp‐reinforced zirconia‐toughened alumina ceramics

“…9 In recent years, in order to achieve the multiple synergistic reinforcing effect, simultaneous addition of several reinforcing agents has become more and more popular. 10 Currently, particles, [11][12][13][14][15][16] SiC whiskers (SiCw), 17 carbon nanotubes (CNTs), 18 boron nitride nanotubes (BNNTs), 19,20 and graphene 21,22 have been reported to reinforce ceramics effectively. Among these additives, SiC was often used for strengthening and toughening ceramics because of its high elastic modulus (about 450 GPa) and the associated effects.…”

Impact Energy Absorption Analysis of Spark Plasma Sintered Al2O3 Reinforced Bulk Multiwalled Carbon Nanotube Compacts Using Nanoindentation

“…Few potential strategic applications of CNT include fabrication of artificial muscles, light bullet‐proof vests, shields and explosion‐proof blankets . In general, for the development of nanocomposites, CNTs or graphene play an important role as novel filler to improve various properties of the parent matrix material . Improvements in mechanical properties and impact behaviors of CNT or graphene reinforced different matrices have been globally studied .…”

“…Improvements in mechanical properties and impact behaviors of CNT or graphene reinforced different matrices have been globally studied . Recently, Porwal et al . consolidated 0.8 vol.% graphene nanosheet reinforced Al 2 O 3 composites using spark plasma sintering (SPS) technique and obtained ~35% increase in fracture toughness ( K IC ) over monolithic Al 2 O 3 ( K IC = 3.2 MPa‐m 0.5 ).…”

“…6,7 In general, for the development of nanocomposites, CNTs or graphene play an important role as novel filler to improve various properties of the parent matrix material. [5][6][7][8] Improvements in mechanical properties and impact behaviors of CNT or graphene reinforced different matrices have been globally studied. [6][7][8][9][10][11][12][13][14] Recently, Porwal et al 8 consolidated 0.8 vol.% graphene nanosheet reinforced Al 2 O 3 composites using spark plasma sintering (SPS) technique and obtained~35% increase in fracture toughness (K IC ) over monolithic Al 2 O 3 (K IC = 3.2 MPa-m 0.5 ).…”

“…[5][6][7][8] Improvements in mechanical properties and impact behaviors of CNT or graphene reinforced different matrices have been globally studied. [6][7][8][9][10][11][12][13][14] Recently, Porwal et al 8 consolidated 0.8 vol.% graphene nanosheet reinforced Al 2 O 3 composites using spark plasma sintering (SPS) technique and obtained~35% increase in fracture toughness (K IC ) over monolithic Al 2 O 3 (K IC = 3.2 MPa-m 0.5 ). Kostopoulos et al 9 have shown that 0.5 wt% multiwalled CNT (MWCNT)-aided carbon fiber reinforced polymer composites (CFRPs) offered~10% higher energy absorption capacity than unmodified CFRPs under 16-20 J impact.…”