X-ray Diffraction Study of Metallized Polyethylene for Creating Heat Storage Systems

被引：1

作者：

Moravskyi, Volodymyr ^{[1
]}

Kucherenko, Anastasiia ^{[1
]}

Kuznetsova, Marta ^{[2
]}

Dulebova, Ludmila ^{[3
]}

Spisak, Emil ^{[3
]}

机构：

[1] Lviv Polytech Natl Univ, Dept Chem Technol Plast Proc, 12 St Bandera Str, UA-79013 Lvov, Ukraine

[2] Lviv Polytech Natl Univ, Dept Heat Engn & Thermal & Nucl Power Plants, 12 St Bandera Str, UA-79013 Lvov, Ukraine

[3] Tech Univ Kosice, Fac Mech Engn, Dept Technol Mat & Comp Aided Prod, 74 Masiarska, Kosice 04001, Slovakia

来源：

APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 10期

关键词：

polyethylene; metallization; diffraction pattern; WAXSFIT; degree of crystallinity; PHASE-CHANGE MATERIALS; SUGAR ALCOHOLS; ENERGY; FIN; OPTIMIZATION; TEMPERATURE; PERFORMANCE; COMPOSITES; CURVES; ANGLE;

D O I：

10.3390/app14104183

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The paper analyzes the prospects of using a heat-accumulating material consisting of metallized polyethylene granules. X-ray diffraction analysis has been used to study the influence of the number of heating and cooling cycles of the heat-accumulating material on the change in the degree of crystallinity of polyethylene. It was shown that the proposed heat-accumulating material showed a low resistance and a significant decrease in the degree of crystallinity of polyethylene under the experimental conditions. The crystal structure of polyethylene did not change during cyclic heating and cooling. Grounded on the obtained experimental results, it was determined that a high degree of polyethylene crystallinity is being kept for 200-300 heating-cooling cycles.

引用

页数：13

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