Determination of Physical Properties of Laminated Composite Beam via the Inverse Vibration Problem Method

Balcı, Murat; Gündoğdu, Ömer

doi:10.15282/jmes.5.2013.7.0058

Cited by 5 publications

(5 citation statements)

References 23 publications

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“…Using MATLAB software to calculate the stiffness of every layer and the stress of every layer under an axial loading at the centroid of the beam shows an excellent agreement with analytical expression [1,2,3]. The normal load effects on layers with various orientations were studied in Balcı et al [4], a code of MATLAB was expanded to define the analysis for stresses and strains support on classical lamination. In comparison with experimental results a great verification and correction for the stress values was achived in the direction of loading.…”

Section: Introductionmentioning

confidence: 92%

Review of composite – laminated material analysis in MATLAB using Piezo – electric sensor and actuator

Ali

Nayeeif

2021

QJES

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The current review covers numerical analysis using Matlab program for multi-layer composite materials. Which involves studies are related to the intersection with fibers, between layers and piezoelectric layer or patch. It has been reported that using Matlab program has a great flexibility in analysis due to its library which includes various numerical methods. In addition to the ability of programming and developing the finite element technology to calculate the stress and strain in each layer based on different deformation methods such as (FSDT and HSDT), to obtain mechanical properties. It has been claimed that there is a deviation in results between Matlab and Ansys for the same 20-layer composite material. Using Matlab in dynamic analysis in various methods such as Newmark, Rayleigh damping, Timoshenko, and Euler-Bernoulli exhibit good agreement with natural frequencies and mode shapes. Moreover, Matlab is useful for the real-time process of data acquisition to deliver a digital model of a composite material coated with a piezoelectric plate and is an ideal material for sensing, detecting, and controlling vibration inhibition.

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Section: Introductionmentioning

confidence: 92%

Review of composite – laminated material analysis in MATLAB using Piezo – electric sensor and actuator

Ali

Nayeeif

2021

QJES

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“…With each material appearing significant in respective applications, metals are mostly utilised for ballistic protection due to its mechanical properties. Therefore metals of high tensile, hardness, and ductility were numerously proposed as a ballistic protection plate [1][2][3][4][5]. Based on mechanics of projectile impact, the penetration of bullets depends on many factors that occur over three phases namely the initial impact phase, stress propagation phase, and fracture initiation phase [6].…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties and microstructures of steel panels for laminated composites in armoured vehicles

Jamil

Aripin

Sajuri³

et al. 2016

Int. J. Automot. Mech. Eng.

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This paper present the study about the mechanical properties of two high strength low alloy steels for replacing the current rolled homogeneous armour (RHA) for ballistic application. High strength low alloy steel has been widely adapted as a ballistic plate in light armoured vehicle. However, the current used RHA plate is very heavy thus restricted the manoeuvrability of the armoured vehicle. The aim of this study is to find materials suitable to be used for production of composite protection panel which is lighter yet has similar mechanical properties to RHA. The tensile strength and hardness of AISI 4340 and AR500 steels were evaluated and compared to that of RHA and the results were analysed based on its chemical compositions and microstructural observation. Values of these properties are primarily reflected by its microstructures and chemical compositions. Therefore, microscopic observation of microstructural arrangement and phases are essential in understanding the hardness and stress-strain behaviour of these metals. Results indicate similar tensile properties were observed in RHA and AR500 but different properties obtained for AISI 4340. Tensile strength of RHA and AR500 were 1750 MPa and 1740 MPa respectively followed by AISI 4340 at 1020 MPa. AISI 4340 steel exhibited the highest elongation at 20.6% compared to RHA and AR500 at 13.3 and 12.5%, respectively. Higher degree of carbon content in fine martensitic structure of RHA and AR500 led to high hardness. Imperfections in RHA and AR500 were also removed by hot rolling process as indicated by white banding that cause higher in tensile strength. Retained austenite and coarse microstructure of AISI 4340 steel contributed to higher ductility compared to AR500 and RHA. Therefore the tensile properties of RHA and AR500 were found similar due to its microstructure behaviour. This similarity allows AR500 to be utilised as alternatives to RHA in armour plate application.

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“…Natural fiber composite is widely discussed in various manufacturing industries due to its impact in reducing the material cost and overall production cost, and increasing design requirements, and customer satisfaction (Adebisi, Maleque, & Rahman, 2011;Balcı & Gündoğdu, 2013;Hariprasad, Dharmalingam, & Praveen Raj, 2013;Jeffrey, Tarlochan, & Rahman, 2011). There are various applications in order to increase strength ratios and flexibility in design of products.…”

Section: Introductionmentioning

confidence: 99%

“…These natural fibers have many properties which make them an attractive alternative to traditional materials. Many researchers have described the highly specific properties and advantages of natural fiber, such as stiffness (Sherman, 1999), impact resistance (Aeyzarq Muhammad Hadzreel & Siti Rabiatull Aisha, 2013;Sydenstricker, Mochnaz, & Amico, 2003), flexibility (Ibrahim, Sapuan, & Faieza, 2012;Nair, Diwan, & Thomas, 1996), modulus (Balcı & Gündoğdu, 2013;Eichhorn et al, 2001) and renewable. Natural fibers can be grouped into three categories; bast, seed and leaf (Sgriccia, Hawley, & Misra, 2008).…”

Section: Introductionmentioning

confidence: 99%

Feasibility Study of Natural Fiber Composite Material for Engineering Application

Sahroni¹,

Adibah²,

Muhamad³

et al. 2014

J MECH ENG SCI

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This paper presents a feasibility study of natural fiber-tin lead alloy composite material for engineering application. The specimen aluminum mold plate was made using a laser cutting machine. Rice husk was selected for introduction to the tin-lead alloy composite. Sand casting techniques and a hot press molding machine were used to produce the specimen. Three types of testing were used in these studies: tensile test, flexural test and hardness test. A new technique for preparing a natural fiber and metal matrix composite material using a manual mixer has been developed to stir the mixture uniformly during the solidification phase. The SiC particulate and rice husk as a natural fiber were introduced to the tin-lead alloy for engineering applications to maintain the hardness of the material. It was found that the mechanical properties of the fabricated composites increased through reinforcement with SiC and rice husk in the material matrix of Sn, particularly for flexural and hardness properties. However, the result shows the tensile strength not significantly improved as the tensile strength for the composite is lower than that for tin-lead alloy (60-40). The experiment also obtained better performance for the tensile modulus and flexural modulus. There is potential to use rice husk in Sn composite material for engineering applications.

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Determination of Physical Properties of Laminated Composite Beam via the Inverse Vibration Problem Method

Cited by 5 publications

References 23 publications

Review of composite – laminated material analysis in MATLAB using Piezo – electric sensor and actuator

Review of composite – laminated material analysis in MATLAB using Piezo – electric sensor and actuator

Mechanical properties and microstructures of steel panels for laminated composites in armoured vehicles

Feasibility Study of Natural Fiber Composite Material for Engineering Application

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