Effects of heat energy on morphology and properties of selective inhibition sintered high density polyethylene

Effects of heat energy on morphology and properties

  • Rajamani D Centre for Autonomous System Research, Department of Mechanical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai - 600062, India
  • E Balasubramanian Centre for Autonomous System Research, Department of Mechanical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai - 600062, India
Keywords: selective inhibition sintering, heat energy, high density polyethylene, mechanical properties, surface quality

Abstract

This study provides an account of comprehensive experimentation and mechanical characterisation of high density polyethylene (HDPE) parts that are fabricated through an additive manufacturing process called selective inhibition sintering (SIS). In this study, test specimens are fabricated by selective fusing of HDPE particles through controlled heating. Morphological studies and mechanical property evaluation of these specimens are carried out to assess the impact of energy on sintering of HDPE particles and structural integrity. Results indicate that, heat energy up to a threshold level of 28.48 J/mm2 results in superior fusion of the HDPE particles, and further increase causes degradation of the structure. Surface roughness, tensile and flexural properties of SIS parts are compared with those of injection moulded parts for assessing their suitability to engineering applications.

Published
2019-03-28
How to Cite
D, R., & Balasubramanian, E. (2019). Effects of heat energy on morphology and properties of selective inhibition sintered high density polyethylene. Journal of Mechanical Engineering and Sciences, 13(1), 4403-4414. https://doi.org/10.15282/jmes.13.1.2019.05.0375