Divya Pandey, Ramesh Pandey, Ashutosh Mishra, Ravi Prakash Tewari
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Effect of Printing Temperature on Fatigue and Impact Performance of 3-D Printed Carbon Fiber Reinforced PLA Composites for Ankle Foot Orthotic Device
Carbon fiber reinforced-polylactic acid (CF-PLA) composites nowadays are widely researched alternative structural materials for their potential application in prosthetic and orthotic implants. The present work firstly consolidates the findings on the application of 3D printing in biomedical and allied fields. Fatigue life and impact strength of 3D printed CF-PLA test specimens were determined. The test specimens were fabricated through the fused deposition modeling (FDM) approach at two printing temperatures. The pronounced effect of printing temperature is characterized by the significant change in fatigue life and impact strength of the FDM specimen. The fatigue life at the printing temperature of 240°C was 2.7 times greater than that at 225°C, whereas the impact strength was greater by 5.93%. The microscopy findings revealed increased diffusion and a reduced number of ridges and pores at higher printing temperature testifying that printing temperature prominently controls the durability and impact response of FDM printed parts.
期刊介绍：
Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to:
damage, failure, fatigue, and long-term strength;
methods of optimum design of materials and structures;
prediction of long-term properties and aging problems;
nondestructive testing;
mechanical aspects of technology;
mechanics of nanocomposites;
mechanics of biocomposites;
composites in aerospace and wind-power engineering;
composites in civil engineering and infrastructure
and other composites applications.
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