Interfacial Microstructure and Shear Strength Improvements of Babbitt–Steel Bimetal Composites Using Sn–Bi Interlayer via Liquid–Solid Casting

To enhance the performance of Babbitt–steel bimetallic composites, bismuth (Bi) was incorporated into Tin (Sn)-interlayer. composites were created using liquid–solid compound casting method in this study. Sn–Bi interlayer alloys with varying levels Bi (1, 2, 3, and 4 wt.%) created. The Babbitt-steel composite’s bonding strength interfacial microstructure examined relation to Sn-Bi alloys. structure interface layer at interface’s edge center are significantly altered when is added Sn interlayer. relatively higher cooling rate near led formation clear unsolved Sn/Sn–Bi interlayers. Otherwise, interlayers middle completely dissolved. By increasing amount alloy, hardness increases by content alloy. bimetal composites’ shear increased 28.27 MPa adding 1 wt.% alloying, a 10.3% increase compared reference pure Future research that aims improve production high-quality long-lasting bi-metal ought take consideration ideal pouring temperature, preheating mold, addition minor (Bi ? 1) Sn-interlayer.