Low velocity impact and axial loading response of hybrid fibre aluminium laminates

Sudha, J.; Vasumathi, M.; Archana, P.; Balakumar, M.; Mohan, Jaidah

doi:10.1007/s12206-021-1011-4

Cited by 3 publications

(3 citation statements)

References 11 publications

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“…The metal performs act as an elastic-viscous plastic fluid under the detonation wave. The type of explosive is rock ammonium nitrate, with a charge density of 0.8 g/cm 3 . The explosive detonates at a speed of 2800 m/s, and the gap between the basic plate (Q345) and the fly plate (TA2) is about 6 mm.…”

Section: Specimen Preparationsmentioning

confidence: 99%

“…The true stress-strain response of the specimen is consistent with the theoretical analysis of specimen deformation in Section 3. 3.…”

Section: Dynamic Compressive Mechanical Response Of Ta2/q345mentioning

confidence: 99%

“…Laminated metal materials are widely used in many applications such as military, automobile and aerospace industries due to a number of unique combinations of high physical, mechanical and operational properties [1][2][3][4]. The laminated materials can consist of different kinds of layers such as ceramic/metal, metal/metal, and metal/composite and so on.…”

Section: Introductionmentioning

confidence: 99%

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The Mechanism of Deformation Compatibility of TA2/Q345 Laminated Metal in Dynamic Testing with Split-Hopkinson Pressure Bar

Fu,

Chen,

Zhao

et al. 2023

Materials

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The laminated metal materials are widely used in military, automobile and aerospace industries, but their dynamic response mechanical behavior needs to be further clarified, especially for materials with joint interface paralleling to the loading direction. The mechanical properties of TA2/Q345 (Titanium/Steel) laminated metal of this structure were studied by using the split Hopkinson pressure bar (SHPB). To shed light on the stress-state of a laminated metal with parallel structure, the relative non-uniformity of internal stress R(t) was analyzed. The mechanism of deformation compatibility of welding interface was discussed in detail. The current experiments demonstrate that in the strain rate range of 931–2250 s−1, the discrepancies of the internal stress in specimens are less than 5%, so the stress-state equilibrium hypothesis is satisfied during the effective loading time. Therefore, it is reasonable to believe that all stress–strain responses of the material are valid and reliable. Furthermore, the four deformation stages, i.e., the elastic stage, the plastic modulus compatible deformation stage, uniform plastic deformation stage and non-uniform plastic deformation stage, of the laminated metal with parallel structure were firstly proposed under the modulating action of the welding interface. The deformation stages are helpful for better utilization of laminated materials.

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Section: Specimen Preparationsmentioning

confidence: 99%

“…The true stress-strain response of the specimen is consistent with the theoretical analysis of specimen deformation in Section 3. 3.…”

Section: Dynamic Compressive Mechanical Response Of Ta2/q345mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Mechanism of Deformation Compatibility of TA2/Q345 Laminated Metal in Dynamic Testing with Split-Hopkinson Pressure Bar

Fu,

Chen,

Zhao

et al. 2023

Materials

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Effect of boundary conditions on the low‐velocity impact damage mechanism of fiber metal laminate

Wang,

Zhang,

Wen

et al. 2024

Polymer Composites

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The boundary condition is a very important factor when characterizing the impact performance of a material or a structure. However, its effect on fiber metal laminate (FML) has been rarely mentioned. In the present investigation, three levels of low‐velocity impact tests were conducted on the glass fiber reinforced aluminum laminate (Glare) under two different boundary conditions, one was that defined in ASTM D7136 and another one was self‐designed that has the same constraint area but different constraint degree. One basis of the experiments, finite element analyses were performed to gain a deeper understanding of the different damage mechanisms. With which another three boundary conditions were investigated for further considering the effect of constraint areas on both the impact and non‐impact sides, including that defined in another commonly used standard ASTM D5628 and two self‐designed cases. It was indicated that the boundary conditions influenced less the force and energy responses of Glare laminate, regardless of the impact damage levels, and hardly on the damage behavior as well when perforation was encountered. However, influences were obtained under lower and intermediate damage levels, and it was the constraint area on the rear side and constraint degree that played the dominant roles, respectively. The results achieved can provide suggestions for reasonably evaluating the low‐velocity impact performance of FML.Highlights Comparisons were made between the low‐velocity impact behavior of Glare laminates under five different boundary conditions. Boundary conditions influenced hardly on maximum impact force and energy absorbed ratio, but evidently on damage behavior. Constraint area and constraint degree governed damage mechanism under lower and intermediate impact energies, respectively. Influence of boundary conditions on damage behavior disappeared when the impact energy was enough to perforate Glare laminate.

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Investigating the Influence of Nano-Silica on Low-Velocity Impact Behavior of Aluminium-Glass Fiber Sandwich Laminate

Vijayan¹,

Selladurai²,

Kumar

2023

Silicon

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Low velocity impact and axial loading response of hybrid fibre aluminium laminates

Cited by 3 publications

References 11 publications

The Mechanism of Deformation Compatibility of TA2/Q345 Laminated Metal in Dynamic Testing with Split-Hopkinson Pressure Bar

The Mechanism of Deformation Compatibility of TA2/Q345 Laminated Metal in Dynamic Testing with Split-Hopkinson Pressure Bar

Effect of boundary conditions on the low‐velocity impact damage mechanism of fiber metal laminate

Investigating the Influence of Nano-Silica on Low-Velocity Impact Behavior of Aluminium-Glass Fiber Sandwich Laminate

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