Design and Development of Bi-Axial Testing Fixture

Nguyen Hai Dang

doi:10.4028/p-EQ1tpn

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HomeMaterials Science ForumMaterials Science Forum Vol. 1150Design and Development of Bi-Axial Testing Fixture

Design and Development of Bi-Axial Testing Fixture

Abstract:

By using data from a conventional uniaxial test of the composite laminate in the design processes, safety factors might be overestimated which lead to unnecessary increase in size, cost and weight of the structure. Therefore, various bi-axial tests have been conducted in order to achieve the more realistic design. However, there is still a lack of reliable biaxial testing data to verify failure initiation and propagation of composite materials, due to the difficulties and expense of conducting these tests. In this study, a novel bi-axial testing fixture which can produce the tension – tension, tension – compression, compression – compression bi-axial loading conditions with different displacement ratios was developed with one loading actuator. This device is a cost-effective alternative for bi-directional material characterization tests which is utilized to validate of theoretical failure models.

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Periodical:

Materials Science Forum (Volume 1150)

Pages:

49-56

DOI:

https://doi.org/10.4028/p-EQ1tpn

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Online since:

June 2025

Authors:

Nguyen Hai Dang*

Keywords:

Bi-Axial Testing, Composite, Fixture, In-Plane Stress

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