Cavitation in high density polyethylene/Al2O3 nanocomposites

被引：13

作者：

Perchacz, Magdalena ^{[1
]}

Rozanski, Artur ^{[1
]}

Kargarzadeh, Hanieh ^{[1
]}

Galeski, Andrzej ^{[1
]}

机构：

[1] Polish Acad Sci, Ctr Mol & Macromol Studies, Sienkiewicza 112, PL-90363 Lodz, Poland

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2020年 / 199卷

关键词：

Polymer-matrix composites (PMCs); Mechanical properties; Plastic deformation; Debonding; Porosity/voids; X-RAY-SCATTERING; IN-SITU SAXS; DEFORMATION-BEHAVIOR; TENSILE DEFORMATION; PLASTIC-DEFORMATION; AMORPHOUS PHASE; SEMICRYSTALLINE; POLYPROPYLENE; POLYMERS; DAMAGE;

D O I：

10.1016/j.compscitech.2020.108323

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

In the paper the cavitation phenomenon during tensile deformation of high density polyethylene/Al2O3 nanocomposites was analyzed. The influence of solidification process, filler content and diameter of its particles on the structure of HDPE/Al(2)O(3 )nanocomposites was described. Two different types of cavitation, i.e.: interlamellar cavitation of polymer matrix and cavitation around filler particles (by debonding), were identified. In the case of fast solidified nanocomposites interlamellar cavitation was suppressed. High intensity of the cavitation by debonding was related to the numerosity of small particles, as compared to the cavitation by large particles at similar weight concentration. Finally, the influence of different cavitation types on the intensity of fragmentation of lamellar crystals was presented.

引用

页数：13

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