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Additive Manufacturing of Binary and...

Lares Carrillo, Luis Eduardo.

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Additive Manufacturing of Binary and Ternary Shape Memory Polyester Blends as a Pathway Towards High Entropy Polymer Systems.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Additive Manufacturing of Binary and Ternary Shape Memory Polyester Blends as a Pathway Towards High Entropy Polymer Systems./
Author:	Lares Carrillo, Luis Eduardo.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	51 p.
Notes:	Source: Masters Abstracts International, Volume: 84-12.
Contained By:	Masters Abstracts International84-12.
Subject:	Engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30521754
ISBN:	9798379697327

Additive Manufacturing of Binary and Ternary Shape Memory Polyester Blends as a Pathway Towards High Entropy Polymer Systems.
Lares Carrillo, Luis Eduardo.

Additive Manufacturing of Binary and Ternary Shape Memory Polyester Blends as a Pathway Towards High Entropy Polymer Systems. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 51 p.

Source: Masters Abstracts International, Volume: 84-12.

Thesis (M.S.)--The University of Texas at El Paso, 2023.

The purpose of this work is to incorporate additive manufacturing technology (AM) in the development of shape memory polymer blends. Two polyester blend systems were developed, one binary and the other ternary. The binary blend consisted of polycaprolactone (PCL) and thermoplastic polyurethane (TPU) and the ternary blend was composed of PCL, TPU and polylactic acid (PLA). Test specimens were fabricated with the AM technology of fused filament fabrication (FFF). Several tests were performed to characterize the mechanical and shape memory properties. A dynamic mechanical analyzer (DMA) was first used to establish the shape recovery temperature. Tensile testing was carried out to determine the ultimate tensile strength (UTS) an % elongation (%El) values. Tensile testing was also used to determine the critical shape memory [properties, namely the shape recovery ratio (Rr) and shape fixation ratio (Rf). A key aspect of this work also involves the emerging materials science premise of high entropy materials and demonstrates how ternary blends can open the way for high entropy shape memory polymers. The shape memory performance of the two blend systems is also compared. This work also explores the self-healing capability of TPU/PCL and TPU/PCL/PLA blend systems. Additionally, the effect of raster pattern on the mechanical and shape memory properties is also made. Scanning electron microscopy (SEM) was used to perform fracture surface analysis and a difference between material type and raster pattern was also made.

ISBN: 9798379697327Subjects--Topical Terms:

586835
Engineering.
Subjects--Index Terms:

Additive manufacturing

Additive Manufacturing of Binary and Ternary Shape Memory Polyester Blends as a Pathway Towards High Entropy Polymer Systems.
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100 1 $a Lares Carrillo, Luis Eduardo. $3 3769886
245 1 0 $a Additive Manufacturing of Binary and Ternary Shape Memory Polyester Blends as a Pathway Towards High Entropy Polymer Systems.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 51 p.
500 $a Source: Masters Abstracts International, Volume: 84-12.
500 $a Advisor: Roberson, David.
502 $a Thesis (M.S.)--The University of Texas at El Paso, 2023.
520 $a The purpose of this work is to incorporate additive manufacturing technology (AM) in the development of shape memory polymer blends. Two polyester blend systems were developed, one binary and the other ternary. The binary blend consisted of polycaprolactone (PCL) and thermoplastic polyurethane (TPU) and the ternary blend was composed of PCL, TPU and polylactic acid (PLA). Test specimens were fabricated with the AM technology of fused filament fabrication (FFF). Several tests were performed to characterize the mechanical and shape memory properties. A dynamic mechanical analyzer (DMA) was first used to establish the shape recovery temperature. Tensile testing was carried out to determine the ultimate tensile strength (UTS) an % elongation (%El) values. Tensile testing was also used to determine the critical shape memory [properties, namely the shape recovery ratio (Rr) and shape fixation ratio (Rf). A key aspect of this work also involves the emerging materials science premise of high entropy materials and demonstrates how ternary blends can open the way for high entropy shape memory polymers. The shape memory performance of the two blend systems is also compared. This work also explores the self-healing capability of TPU/PCL and TPU/PCL/PLA blend systems. Additionally, the effect of raster pattern on the mechanical and shape memory properties is also made. Scanning electron microscopy (SEM) was used to perform fracture surface analysis and a difference between material type and raster pattern was also made.
590 $a School code: 0459.
650 4 $a Engineering. $3 586835
650 4 $a Polymer chemistry. $3 3173488
650 4 $a Materials science. $3 543314
653 $a Additive manufacturing
653 $a Polymer blends
653 $a Polyester blends
653 $a Entropy materials
653 $a Scanning electron microscopy
690 $a 0537
690 $a 0794
690 $a 0495
710 2 $a The University of Texas at El Paso. $b Metal And Mat'l Eng.. $3 3550683
773 0 $t Masters Abstracts International $g 84-12.
790 $a 0459
791 $a M.S.
792 $a 2023
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30521754