Experimental Researches Concerning the Properties of Composite Materials with Random Distribution of Reinforcement

被引：0

作者：

Stanescu, Marius Marinel ^{[1
]}

Bolcu, Dumitru ^{[2
]}

Manea, Ion ^{[2
]}

Ciuca, Ion ^{[3
]}

Bayer, Mihai ^{[4
]}

Semenescu, Augustin ^{[3
]}

机构：

[1] Univ Craiova, Dept Appl Math, Craiova 200396, Romania

[2] Univ Craiova, Dept Mech, Craiova 200620, Romania

[3] Univ Politehn Bucuresti, Bucharest 060032, Romania

[4] Univ Politehn Bucuresti, Fac Biotehn Syst Engn, Bucharest 060042, Romania

来源：

MATERIALE PLASTICE | 2009年 / 46卷 / 01期

关键词：

composite materials; elasticity modulus; modal identification method; BEHAVIOR;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper we present the result of the experiments performed to obtain the characteristics curves for five composite materials with random distribution of reinforcement. From these curves we determined the elasticity modulus and the resistance to fracture. Using the modal identification method we determined the first eight eigenmodes for two bars from composite materials (Bar I phenolic fireproof resin reinforced with fiberglass; Bar 2 - ortophtalic polyesteric resin reinforced with fiberglass), embedded at one end and free at the other We determined the eigenpulsations for the modes considered and we used the first four modes for the calculus of elasticity modulus. The results obtained by traction testing compared with the one from Modal identification method certify the utilization of modal analysis in the determination of properties of composite structures.

引用

页码：73 / 78

页数：6

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