Aging Behavior of Flame-retardant Cross-linked Polyolefin under Thermal and Radiation Stresses

被引：22
|
作者：
Zhou, Haolong [1 ]
Hanafusa, Wakana [2 ]
Udo, Keigo [2 ]
Hirai, Naoshi [3 ]
Ohki, Yoshimichi [4 ]
机构：
[1] Waseda Univ, Cooperat Major Nucl Energy, Shinjuku Ku, Tokyo, Japan
[2] Waseda Univ, Dept Elect Engn & Biosci, Shinjuku Ku, Tokyo, Japan
[3] Waseda Univ, Res Inst Mat Sci & Technol, Shinjuku Ku, Tokyo, Japan
[4] Waseda Univ, Res Inst Mat Sci & Technol, Dept Elect Engn & Biosci, Cooperat Major Nucl Energy,Shinjuku Ku, Tokyo, Japan
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2021年 / 28卷 / 01期
关键词：
Radiation effects; Aging; Oxidation; Polymers; Thermal stresses; Stress; Thermal degradation; gamma ray; irradiation; complex permittivity; tensile test; indenter modulus;
D O I：
10.1109/TDEI.2020.009053
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this study, flame-retardant cross-linked polyolefin, which is an important polymeric insulation material for electric power cables, is aged under severe thermal and radiation stresses. After aging, the samples are analyzed mechanically, thermally, and electrically. The degradation of this polymer is found to become very severe when it is aged thermally than when aged by a combination of heat and gamma irradiation. The formation of densely cross-linked structures, induced by the gamma irradiation, appears to make the polymer harder and more resistant against oxidation and against its resultant scission of chemical bonds.
引用
收藏
页码：303 / 309
页数：7
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