Study of Surface Mechanical Characteristics of ABS/PC Blends Using Nanoindentation

Acrylonitrile butadiene styrene (ABS) and polycarbonate (PC) are considered a well-known class of engineering thermoplastics due to their efficient use in automotive, 3D printing, electronics. However, improvement toughness, processability, thermal stability is achieved by mixing together ABS PC. The present study focuses on the understanding surface mechanical characterization acrylonitrile blends using nano-indentation. Polymer sheets with three different proportions ABS/PC (75:25, 50:50, 25:75) were fabricated via melt-processing press. Fourier transform infrared (FTIR) spectroscopy was performed analyze intermolecular interactions between blends’ components. To understand properties PC blends, sufficient number nano-indentation tests at constant loading rate maximum load 100 mN. Creeping effects observed end start unloading section. Elastic modulus, indentation hardness, creep values measured as function penetration displacement quasi-continuous stiffness mode (QCSM) indentation. Load-displacement curves indicated an increase contents while decreasing trend hardness elastic modulus content increased. We believe this would provide effective pathway for developing new polymer enhanced performance.