Research of crack initiation and propagation under loading for providing impact resilience of protective coating

被引：0

作者：

Sapronov O.O. ^{[1
]}

Buketov A.V. ^{[1
]}

Maruschak P.O. ^{[2
]}

Panin S.V. ^{[3
,4
]}

Brailo M.V. ^{[1
]}

Yakushchenko S.V. ^{[1
]}

Sapronova A.V. ^{[1
]}

Leshchenko O.V. ^{[1
]}

Menou A. ^{[5
]}

机构：

[1] Kherson State Maritime Academy, 20 Ushakov Ave., Kherson

[2] Ternopol I. Pul'uj National Technical University, 56 Ruska Ave., Ternopil

[3] Institute of Strength Physics and Materials Science Siberian Branch, Russian Academy of Science, 2/4 Academicheskii Ave., Tomsk

[4] National Research Tomsk Polytechnic University, 30 Lenin Ave., Tomsk

[5] International Academy of Civil Aviation, Casablanca

来源：

Functional Materials | 2019年 / 26卷 / 01期

关键词：

Carbon nanotubes; Crack propagation; Fracture surface; Impact resilience;

D O I：

10.15407/FM26.01.114

中图分类号：

学科分类号：

摘要：

The analysis of destruction process under the impact loading of developed epoxy composites with different content of carbon nanotubes is carried out. Introduction of nanoparticles into the epoxy binder at the optimal content of q = 0.010 pts·wt. allows 3 times increase of impact resilience relative to the epoxy matrix. The loading value at the moment of material destruction, the value of critical strain and the crack propagation rate in time to the materials destruction on the impact testing machine RKP-300 for high-speed loading are established. By the method of optical and electron microscopy it is established that the uniformity of particles distribution of carbon nanotubes influences the morphology of nanocomposites, and hence the properties of the formed materials. © 2019-"Institute for Single Crystals".

引用

页码：114 / 120

页数：6

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