Lamina properties non-destructive characterisation of asymmetric carbon fiber reinforced laminates

被引：0

作者：

Namsone, E. ^{[1
]}

Ermakov, D. ^{[2
]}

机构：

[1] Riga Tech Univ, Inst Mat & Struct, Kalku Str 1, LV-1658 Riga, Latvia

[2] Perm Natl Res Polytech Univ, Dept Mech Composite Mat & Struct, Perm, Russia

来源：

4TH INTERNATIONAL CONFERENCE ON INNOVATIVE MATERIALS, STRUCTURES AND TECHNOLOGIES (IMST 2019) | 2019年 / 660卷

关键词：

ELASTIC PROPERTIES; OPTIMAL-DESIGN; IDENTIFICATION; MODEL;

D O I：

10.1088/1757-899X/660/1/012053

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A non-destructive technique - numerical-experimental method, based on vibration tests is applied for the characterization of lamina properties of asymmetric carbon fiber reinforced laminates. The main idea of this procedure is the determination of simple mathematical models (response surfaces), using the finite element analysis at the reference points of experimental design. Therefore, a significant reduction of computational efforts can be attained. For the purpose of characterization, two asymmetric carbon fiber laminated specimens were prepared, using the prepreg manual layout technology. To evaluate the elastic material properties obtained, the numerical resonant frequency, determinated by using identified material properties, were successfully compared with experimentally measured and high accuracy with average relative error less than 1% was reached.

引用

页数：9

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