Studying the failure of a CFRP sample under static loading by the acoustic-emission and fractography methods

被引:11
|
作者
Stepanova, L. N. [1 ]
Bataev, V. A. [2 ]
Chernova, V. V. [3 ]
机构
[1] Chaplygin Siberian Aeronaut Res Inst, Novosibirsk 630051, Russia
[2] Novosibirsk State Tech Univ, Novosibirsk 630073, Russia
[3] Siberian Transport Univ, Novosibirsk 630049, Russia
关键词
carbon-fiber reinforced plastic (CFRP); sample; acoustic emission; thin section; fractography; exfoliation; fiber; matrix;
D O I
10.1134/S1061830917060092
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Relationship between the main informative parameters of acoustic-emission (AE) signals recorded during static loading of a CFRP sample and the process of material fracture has been investigated. Clusterization of AE signals by digitized shape has made it possible to locate a zone they originate from. Material was then cut out from this zone to prepare thin sections that were subjected to fractography. Fractography revealed fiber fracture, brittle cracking of the matrix, its exfoliation from the carbon fibers, etc.
引用
收藏
页码:422 / 429
页数:8
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