Structural changes in composite material PLA/CoFe2O4 during the realization of the shape memory effect

被引：0
|
作者：
Cheremnykh, A. [1 ]
Kovaleva, P. [1 ]
Bulygina, I. [1 ]
Korol, A. [1 ]
Krupatin, I. [1 ]
Nikitin, A. [1 ]
Statnik, E. [1 ,2 ]
Senatov, F. [1 ]
机构：
[1] Natl Univ Sci & Technol MISIS, Leninskiy Pr 4, Moscow 119049, Russia
[2] Skolkovo Inst Sci & Technol, Bolshoy Blvd 30,bld 1, Moscow 121205, Russia
来源：
MATERIALS LETTERS | 2024年 / 372卷
基金：
俄罗斯科学基金会;
关键词：
Polymeric composites; Magnetic materials; Microstructure; Shape memory materials;
D O I：
10.1016/j.matlet.2024.137045
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The supramolecular structure of polymer composites can be affected by the fabrication method and posttreatments. This study was conducted on a polylactide/1% cobalt ferrite composite material to demonstrate the structure evolution of extruded and casted samples during shape memory effect realization and annealing. The influence of the sample preparation method on the supramolecular structure of composite was proven, as was the possibility of altering the initial structure by annealing and deformation. The structural and phase changes were analyzed using DSC, XRD, and microscopy techniques. This enabled the visualization of structural elements such as spherulites, cavitation, and crazing in polylactide-based composite material.
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页数：4
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