Relationship Between the Integrity of Lubricating Film and the Tribological Behavior on TiAl-Ag Self-Lubricating Composites

Microhardness, compression performance and high‐temperature tribological properties of Ti2AlNb‐silver self‐lubricating composite

“…Silver with low shear strength and high plasticity is easy to spread on the friction surface to form a silver‐rich lubricating film under compressive stress, which can effectively protect the matrix material from abrasion [30]. The lubricating ability of silver‐rich film is closely related to its integrity [39, 40]. If the silver content is too low to form a complete film or the formed film is very thin (such as 5 wt%, 7 wt%), resulting in poor lubrication, the friction coefficient curve decreases slowly in this range.…”