Interactive buckling of wide plates made of Functionally Graded Materials with rectangular stiffeners

Teter, Andrzej; Kołakowski, Zbigniew

doi:10.1016/j.tws.2021.108750

Cited by 10 publications

(2 citation statements)

References 43 publications

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“…The strength parameters based on the Eqs. (4,6,(10)(11)(12), were estimated for all specimens identically, which was the ratio of the maximum registered load to the initial cross-sectional area of the specimen. Figure 8 presents the load-strain characteristics, taking selected test specimens as an example.…”

Section: Resultsmentioning

confidence: 99%

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Experimental Research in the Aspect of Determining the Mechanical and Strength Properties of the Composite Material Made of Carbon-Epoxy Composite

Różyło¹,

Smagowski²,

Paśnik³

2023

Adv. Sci. Technol. Res. J.

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The present paper, provides a study of conducting experimental investigations (based on the ISO standards), in the context of determining material properties (mechanical and strength parameters) in the case of thin-walled composite structures -made of carbon-epoxy composite. Tests were carried out on 5 different types of test specimens (in accordance with the standards), with a minimum of 9 specimens per each type of test. The tests provided high repeatability of results, and the large number of test specimens per each test made it possible to precisely average the test results in terms of determining the necessary material properties. The tests were carried out using a Zwick Z100 universal testing machine (UTM), under room temperature conditions, using two types of test heads that allow static experimental tests. The results presented in this paper constitute a prelude to research within the framework of the project from the National Science Centre (Poland) with the number 2021/41/B/ST8/00148. The paper presents the initial stage of the implementation of the aforementioned project -which was the determination of material parameters of the composite material from which the target thin-walled composite structures with closed sections were made. The purpose of this paper was mainly to present a methodology for the determination of material parameters describing a composite material (laminate), in order to allow subsequent implementation of the determined properties into numerical models.

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Section: Resultsmentioning

confidence: 99%

“…In short, they undergo a loss of stability (buckling) [9][10][11]. The buckling phenomenon is based on the fact that there is a change in the form of deformation of the structure [12][13][14]. The present phenomenon represents a special type of phenomenon that many researchers are currently dealing with [15][16][17].…”

Section: Introductionmentioning

confidence: 99%