Abstract
This article reports the dry sliding wear behaviour of AZ91D-Mg and AZ91D-Ca2SiO4 composites at different sliding velocities (1–3 m/s) and different normal loads (10 N, 30 N, and 50 N). The post-wear characterizations were carried out to determine the wear mechanisms under each tested condition. XRD analysis confirms the presence of CaO, SiO, MgO, Mg2 Si, and MgAl2O phases which play a vital role in improving the wear resistance of AZ91D-Ca2SiO4 composites. The oxidation mechanism was predominant at low sliding velocity and loading conditions. Further, plastic deformation, delamination and abrasive wear were dominant at high loading conditions. Furthermore, detailed study on the influence of Ca2SiO4 and wear parameters on the dry sliding wear behaviour of AZ91D-Mg and AZ91D-Ca2SiO4 composites are reported.
Published Version
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