Mechanical Properties of Al Foams Subjected to Compression by a Cone-Shaped Indenter

Wang, Xinjie; Wang, Xinzhu; Jian, Kailin; Xu, Linji; Ju, Anqi; Guan, Zhongwei; Ma, Li

doi:10.1021/acsomega.1c04217

Cited by 4 publications

(1 citation statement)

References 39 publications

(57 reference statements)

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“…8 In foam based sandwich panel, additionally a core foam core is placed between two thin plates which make them strong and flexible. [9][10] Another simple panel can be understood as if only foam is used to support the load and there is no any extra support in it. Buckling and bending in sandwich panel is highly restricted due to the separation between foam.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of Multi Layered Al-2014 Aluminium Foam Core Sandwich Panels

Kumar,

Rana,

Sharma

et al. 2024

Mat. Sci. Res. India

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The sandwich panel exhibits higher stiffness than simple panels. The specific stiffness of sandwich panels depends on various factors like width, length, panel’s thickness, thickness of the face plate and core’s thickness of panels and type of materials used. Because of interaction effect between core and face plate, there is possibility of getting higher stiffness in multi-layered sandwich panels. In addition, incorporation of faceplate and core in the core structure varies the shear modulus and elastic modulus of core of the sandwich. However very limited research has been conducted on analytical modelling of multi-layered sandwich panels for their designing. In the present work analytical model has been developed to analyse the multilayer sandwich panels in terms of shear rigidity. flexural rigidity and deflection as a function of face plate thickness, core thickness, number of layers and beam width. Four types of specimens, those are single layer, double layer, triple layer and quadruple layer sandwich beam were prepared for this study. The deflection of the sandwich beam was measured by UTM (ultimate tensile machine). For core, Al- foam has been used and the theoretical values of elastic modulus and shear modulus were taken from the data available for cores of Al- foam synthesized at AMPRI, Bhopal. The deflection at 1000 N calculated theoretically for single layer and quadruple layer was 14.966 mm and 0.559 mm respectively. The practical calculation of deflection was 15.608 mm for single layer and 0.557 mm for quadruple layer. The practical and theoretical calculations were in well agreement. Further, it was understood that multi-layered sandwich panels are much more advantageous in terms of low deflection than single layer or double or triple sandwich panel.

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Section: Introductionmentioning

confidence: 99%

Design and Analysis of Multi Layered Al-2014 Aluminium Foam Core Sandwich Panels

Kumar,

Rana,

Sharma

et al. 2024

Mat. Sci. Res. India

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Experimental investigation on the development of hybrid composite metal foam reinforced with steel hollow spheres for higher energy absorption applications

Zewdie,

Srivastava,

Punia

et al. 2024

Journal of Manufacturing Processes

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Research on the Energy Dissipation Patterns and Fragment Size Distribution Characteristics of Coal Under Cyclic Impact Loading With Confining Pressure

Yongliang,

Yuping,

Chuantian

et al. 2024

Geofluids

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This study examines energy dissipation patterns and failure mechanisms in coal under cyclic impact, crucial for preventing dynamic disasters like rock bursts and coal and gas outbursts. Using a 75‐mm split Hopkinson pressure bar (SHPB) experimental system, the dynamic mechanical characteristics and fragment size distribution patterns of coal samples were analysed under a confining pressure of 10 MPa, axial pressure of 12 MPa, and impact pressures of 0.25, 0.30, 0.35, 0.40, and 0.45 MPa for 1, 2, and 3 cycles. The experimental data indicate that as the number of impacts increases, the energy reflected by the coal samples gradually increases, while the transmitted energy correspondingly decreases. The energy absorbed per unit volume of the coal samples under the first, second, and third dynamic loading cycles and confining pressure is 0.56, 0.61, and 0.66 J/cm3, respectively, with energy absorption rates ranging from 16.2% to 33.8%. Under different impact pressures, the fractal dimension of coal fragmentation shows a linear change, and as the impact pressure increases, the degree of fragmentation intensifies, and the mass of the fragmented coal decreases. The strength reduction in the energy dissipation patterns of coal samples under dynamic loading provides important theoretical support for the prevention of rock bursts during coal mining.

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Mechanical Properties of Al Foams Subjected to Compression by a Cone-Shaped Indenter

Cited by 4 publications

References 39 publications

Design and Analysis of Multi Layered Al-2014 Aluminium Foam Core Sandwich Panels

Design and Analysis of Multi Layered Al-2014 Aluminium Foam Core Sandwich Panels

Experimental investigation on the development of hybrid composite metal foam reinforced with steel hollow spheres for higher energy absorption applications

Research on the Energy Dissipation Patterns and Fragment Size Distribution Characteristics of Coal Under Cyclic Impact Loading With Confining Pressure

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