Tribological performance of alumina matrix composites reinforced with nickel-coated graphene
Jarosław Woźniak , Tomasz Cygan , Mateusz Petrus , Cygan Sławomir , Lucyna Jaworska , Andrzej Olszyna
AbstractThis paper discusses the effect of modified multilayer graphene nanoplatelets (MLG-Ni-P) and unmodified multilayer graphene nanoplatelets (MLG) addition on the tribological properties of alumina matrix composites. The composites were prepared by powder metallurgy processing using Spark Plasma Sintering to consolidate the powders. The effect of the coated graphene addition on the strength properties was evaluated. Furthermore, the relative density, fracture toughness and tribological properties were investigated. The lowest wear rates (0.1 mm3/Nm for Al2O3-2 vol% Gn), despite lower mechanical properties (4.1 MPa m.5 for Al2O3-2 vol% Gn), were observed for composites reinforced with uncoated graphene. Moreover, the threshold volume of graphene addition was specified to achieve high tribological properties of composites.
|Journal series||Ceramics International, ISSN 0272-8842, (A 40 pkt)|
|Publication size in sheets||0.5|
|Keywords in English||Sintering, Composites, Wear resistance, Al2O3|
|Score|| = 40.0, 27-08-2018, ArticleFromJournal|
= 40.0, 27-08-2018, ArticleFromJournal
|Publication indicators||: 2016 = 2.986 (2) - 2016=2.814 (5)|
|Citation count*||2 (2019-01-11)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.