TY - GEN
T1 - THE MECHANICAL AND FUNCTIONAL BEHAVIOR OF NITINOL-REINFORCED PLA COMPOSITES
AU - Srinivas, Pooja
AU - Abu Al-Rub, Rashid K.
AU - Barsoum, Imad
AU - Zaki, Wael
N1 - Publisher Copyright:
Copyright © 2023 by ASME.
PY - 2023
Y1 - 2023
N2 - The current paper proposes the addition of nitinol at varying volume percentages (3, 10, and 15 vol%) to polylactic acid (PLA) matrix to study its effect on mechanical properties. In recent years, new types of PLA composites have been developed that incorporate nanomaterials such as CNTs, graphene, and other materials such as wood and kenaf fibers. Nitinol is an alloy with excellent shape memory and superelastic properties, which makes it highly desirable for use in biomedical and aerospace industries. In this work, the dissolution method was used to prepare PLA-Nitinol composite feedstock, which was extruded to fabricate composite filaments. The filaments were used in fused deposition modeling (FDM) printing to create cylindrical and cubic composite green samples. X-ray diffraction (XRD), scanning electron microscopy (SEM), and differential scanning calorimetry (DSC) were utilized to characterize the fabricated samples. Mechanical and functional behavior characterizations were carried out through quasi-static compression tests using a universal testing machine (UTM). The results show that composites of PLA and Nitinol exhibit improved mechanical properties compared to pure PLA, making them useful for a wide range of applications. Further research and development can result in new, highly functional materials with a broad range of potential applications. The current research paves the way for the development of printing metal-enriched filaments and get 100% metal parts using FDM technique.
AB - The current paper proposes the addition of nitinol at varying volume percentages (3, 10, and 15 vol%) to polylactic acid (PLA) matrix to study its effect on mechanical properties. In recent years, new types of PLA composites have been developed that incorporate nanomaterials such as CNTs, graphene, and other materials such as wood and kenaf fibers. Nitinol is an alloy with excellent shape memory and superelastic properties, which makes it highly desirable for use in biomedical and aerospace industries. In this work, the dissolution method was used to prepare PLA-Nitinol composite feedstock, which was extruded to fabricate composite filaments. The filaments were used in fused deposition modeling (FDM) printing to create cylindrical and cubic composite green samples. X-ray diffraction (XRD), scanning electron microscopy (SEM), and differential scanning calorimetry (DSC) were utilized to characterize the fabricated samples. Mechanical and functional behavior characterizations were carried out through quasi-static compression tests using a universal testing machine (UTM). The results show that composites of PLA and Nitinol exhibit improved mechanical properties compared to pure PLA, making them useful for a wide range of applications. Further research and development can result in new, highly functional materials with a broad range of potential applications. The current research paves the way for the development of printing metal-enriched filaments and get 100% metal parts using FDM technique.
KW - fused deposition modeling
KW - nitinol
KW - polylactic acid
UR - http://www.scopus.com/inward/record.url?scp=85185400784&partnerID=8YFLogxK
U2 - 10.1115/IMECE2023-112613
DO - 10.1115/IMECE2023-112613
M3 - Conference contribution
AN - SCOPUS:85185400784
T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
BT - Advanced Materials
PB - The American Society of Mechanical Engineers(ASME)
T2 - ASME 2023 International Mechanical Engineering Congress and Exposition, IMECE 2023
Y2 - 29 October 2023 through 2 November 2023
ER -
