Effect of TiC Particles Addition on Tribological Behavior of Ductile Iron

In order to improve the wear resistance of ductile iron, different contents TiC particles are added into iron used lost-foam casting and tribological behavior is studied through a ball-on-disk sliding test. It found that with increase content, pearlite content gradually increases, which attributed promoting heterogeneous nucleation cementite increasing cooling rate melt. The second-phase strengthening caused by hardness tensile strength iron. Ductile has best (498 MPa) (168 HV1) 1 wt.%. also increases content. volume reduced from 0.14 0.03 mm3, main mechanism changes adhesive abrasive wear. oxide layer produced frictional heat on worn surface hardened strain hardening subsurface further resistance. Therefore, affected microstructure before after wear.Graphical Abstract