Research on friction and wear behavior of a bulk metallic glass under different sliding velocity

Friction and Wear of Pd-Rich Amorphous Alloy (Pd43Cu27Ni10P20) with Ionic Liquid (IL) as Lubricant at High Temperatures

“…These ordered layers separate interacting surfaces and prevent direct solid to solid contacts. Under higher contact load conditions, the ordered layers of ILs can be broken down and cause tribochemical reactions to occur with the contact surface by sliding contact [12][13][14][15][16][17]. The decomposition products of the anions tend to create a protective tribofilm on the sliding contact surface, which can reduce friction and wear during the subsequent contacts [14][15][16].…”

“…As a potential lubricant for engineering applications in extreme conditions, the previous studies of ILs have been conducted at high temperatures using conventional materials such as ceramic, steel, aluminum alloys, and titanium [6]. Recently, bulk metallic glasses (BMGs) have attracted increasing attention as potential materials in surface engineering because of high strength, hardness, excellent corrosion and wear resistance, and durability [17,18]. BMGs have been used for dry bearings in space, surface coating materials, cutting tools, sport and medical instruments [17][18][19].…”

“…Recently, bulk metallic glasses (BMGs) have attracted increasing attention as potential materials in surface engineering because of high strength, hardness, excellent corrosion and wear resistance, and durability [17,18]. BMGs have been used for dry bearings in space, surface coating materials, cutting tools, sport and medical instruments [17][18][19]. Despite extensive research on ILs as high-temperature lubricants, few studies have investigated the tribological performance of ILs with BMGs.…”

Tribocorrosion of Fe-Based Amorphous Coating in Simulated Body Fluids

“…Most of the wear testing machines related to the tribology of amorphous coatings use discs, and the corresponding friction depends on the rotation of the disk. Some other scholars also used linear reciprocating module to carry out the friction studies [1,12]. Meanwhile, the effect of the shapes of wear paths at the hip joint on the wear rates in a simulator was generated by Bennett et al, and the wear resistance of Fe-based amorphous coating at different sliding paths was investigated by using a sliding wear test machine [13].…”

Response of large-deformation behavior to strain rates in a bulk-metallic glass by hydrogen

“…However, it is very difficult that a material possesses high strength and large plasticity at the same time, of which, the improvement of one performance is generally accompanied by the reduction of another performance. Bulk-metallic glasses (BMG), have aroused wide concerns for their potential application value as engineering structural materials due to their excellent mechanical, physical and chemical properties [1,2]: high strength; high hardness; high strength to weight ratio; superior elastic limit; low coefficient of friction; high scratch and wear resistance; good corrosion resistance; net-shape castability; high luster surfaces and good soft magnetic behavior, etc. However, the plastic deformation of BMGs at room temperature is highly localized in the very narrow shear bands and the volume fraction of the shear bands among the total volume of the entire alloy is relatively low, resulting in the brittleness of a majority of BMGs [3,4].…”