
Keywords: روانکاری مرزی; BCS; bovine calf serum; BL; boundary lubrication; EHL; elastohydrodynamic lubrication; λ; lambda ratio=minimum film thickness/surface roughness (Ra); MoM; metal-on-metal; MoP; metal-on-polyethylene; SF; synovial fluid; SRR; slide-roll ratio; Artificial h