Strain parameters at hot rolling of aluminum strips reinforced with steel netting

Stolbchenko, Mykhailo; Makeieva, Hanna; Grydin, Olexandr; Frolov, Yaroslav; Schaper, Mirko

doi:10.1177/1099636218792539

Cited by 7 publications

(19 citation statements)

References 19 publications

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“…Conclusions. Failure mode of wire mesh inlet observed in this paper corresponds to that described in previous works by authors [5][6][7]. Mesh is fractured at zones of wires intersection as a result of intensified deformation of wires in these zones.…”

Section: Figure 5 -Hardness Of Expanded Metal Elements After the Heatsupporting

confidence: 82%

“…In all cases regardless to reduction magnitude the destruction of mesh inlets was observed. The failure mode of wire mesh inlets observed in this research corresponds to that one described by previous authors [4][5][6][7]. The fracture is located at the zones of wires intersection as presented in the figure 3 (a).…”

Section: Figure 2 -Finite Element Model Of the Initial Workpiece In Qsupporting

confidence: 80%

“…The fracture is located at the zones of wires intersection as presented in the figure 3 (a). Excessive stress at these zones caused by the mutual reduction of overlayed wires and elongation of the whole composite leads to the crack appearance and destruction in this zone [5][6][7]. At the same time, the failure mode of expanded sheet inlet is presented in figure 3 (b).…”

Section: Figure 2 -Finite Element Model Of the Initial Workpiece In Qmentioning

confidence: 96%

“…Huang Теорія і практика металургії [7]. In all above-mentioned papers authors reported about significant rise of mechanical properties of composites due to application of wire mesh such as fracture toughness [2][3] and tensile strength [3][4][5][6][7]. Among all mentioned processes, for aluminum matrix, roll bonding seems to be the most perspective, since it allows much higher rate of manufacturing, it is simple to control the technology and there is no constrains in length of the product.…”

mentioning

confidence: 99%

“…Application of strong inner core inside the soft metal matrix leads to sufficient rise of stress concentration in this hard material as a result of relatively high deformation plastic deformation magnitude of soft matrix [5][6][7][8]. Application of woven wire mesh as an internal core during roll bonding leads to appearance of zones with significantly intensified stress and strain at the location of wires intersection, this leads to possible fracture of wires during the manufacturing process [4][5][6][7]. In order to solve this problem, in this research it is decided to use expanded mesh instead of the woven one.…”

mentioning

confidence: 99%

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Failure mode of reinforcing steel mesh in aluminum roll bonded composite material

Yu¹,

Ya²,

Grydin³

et al. 2019

Theory and Practice of Metallurgy

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Характер руйнування армувальної стальної сітки під час зварювання прокаткою композиційного матеріалу на основі алюмініюFlat roll-bonded aluminum 6060 composite materials with reinforcing steel inlets made of woven wire mesh (AISI 321) and expanded mesh (AISI 304) have been produced at 20 % and 30 % reduction. The roll bonding process has been performed at 400 and 500℃. After the process the composites were peeled and their interfaces were subsequently studied via SEM microscopy. In all cases the fracture of mesh inlets has been observed. The analysis of the failure mode has shown that the fracture of woven wire mesh corresponds to that described by other researchers. At the same time, the failure mode of expanded mesh inlet was presented in this study is characterized by a significant amount of brittle fracture at the region between strands and knuckles of expanded mesh. In order to analyze a stress state in these regions, the simulation using the finite element method (FEM) was set up by means of QForm software. The thermal and deformational conditions corresponded to experimental ones. It was shown that the von Mises stress reaches a significant magnitude up to the strength of austenitic steel. At the same time, a study of initial micro hardness of expanded mesh was conducted. The study revealed a significant work-hardening in the region of knuckles due to manufacturing procedure of expanded mesh and this seems to be the most important cause of destruction. In order to avoid such fracture, the annealing of expanded mesh was proposed. Presented results show a significant decrease of hardness and therefore an opportunity plastic deformation of expanded steel mesh.

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Section: Figure 5 -Hardness Of Expanded Metal Elements After the Heatsupporting

confidence: 82%

Section: Figure 2 -Finite Element Model Of the Initial Workpiece In Qsupporting

confidence: 80%

Section: Figure 2 -Finite Element Model Of the Initial Workpiece In Qmentioning

confidence: 96%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Failure mode of reinforcing steel mesh in aluminum roll bonded composite material

Yu¹,

Ya²,

Grydin³

et al. 2019

Theory and Practice of Metallurgy

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Mechanical Properties of Al/PU/Perforated CU/PU/Al Sandwich Composites

2021

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In the present work, the warm roll bonding (WRB) technique was adopted to fabricate 3 layers of Aluminum-perforated Copper 260-Aluminum (AL/perforated CU/AL), and five layers of (AL/ Polyurethane (PU)/perforated CU/PU/AL) sandwich composites. Two different tests were adopted, namely peel test and small punch test (SPT), to study the peel strength and flexural behavior of these sandwich composites, respectively. The main manufacturing parameters, including interface properties, rolling speed, and the number of passes, which control the strength and integrity of these sandwich composites were studied experimentally. Furthermore, the three-dimensional finite element method was carried out to study the effect of the presence of pre-crack on the peeling test and SPT specimens numerically. The present results indicated that the peeling resistance is mainly dependent on the roughness of the interface and elapsed time in manufacturing processes. The flexural behavior of sandwich composites measured from SPT agrees with the first principles of mechanics of materials, i.e. there is a marginal effect of the bond strength between the layers.

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Determination of the deformation parameters of the steel reinforcing phase inside the aluminum matrix during hot rolling

Nosko¹,

Konovodov²,

Samsonenko³

et al. 2022

Nauk. visn. nat. hirn. univ.

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Purpose. Comparison of deformation parameters during rolling of reinforced composites based on aluminum alloy using braided and expanded steel meshes as a reinforcing phase. Methodology. An experimental study on the effect of pressure on the deformation of the reinforcing phase during rolling of aluminum composites is carried out. A wire mesh and expanded mesh made of stainless steel was used as a reinforcing phase. The effect of deformation on the change in the lattice angle of the reinforcing phase is investigated. Findings. In this work, experimental data on the parameters of deformation of the wire mesh and expanded mesh are obtained. A comparison is made of the shape change in such grids under hot rolling conditions between two aluminum plates, which play the role of a matrix. It is found that the elongation coefficients of the lattice for the experiment with a wire mesh c is equal to 1.682.3, which is greater than the coefficient of elongation of the lattice in the expanded mesh of 1.552.2. Therefore, expanded sheets make the best reinforcing layer for aluminum-based composites produced by the roll-bonding process. Expanded mesh also reduces the risk of rupture at the intersection of wires. Originality. In the work, for the first time, a comparison of the deformation parameters during roll bonding of composites based on an aluminum alloy, reinforced with a braided and expanded steel mesh, has been given. Obtaining composite materials by means of hot roll bonding requires an understanding of the flow of composite components during deformation and their influence on each other. These peculiarities have not been studied sufficiently. Currently, there is no reliable method for predicting the behavior of the material of a solid reinforcing phase of various shapes inside a composite. Practical value. Advantages of using an expanded steel mesh for reinforcing aluminum-based composites have been confirmed. Scientific results can be used to refine calculating methods for metal flow at high hydrostatic pressure with variable components of the stress tensor and the major stresses.

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Strain parameters at hot rolling of aluminum strips reinforced with steel netting

Cited by 7 publications

References 19 publications

Failure mode of reinforcing steel mesh in aluminum roll bonded composite material

Failure mode of reinforcing steel mesh in aluminum roll bonded composite material

Mechanical Properties of Al/PU/Perforated CU/PU/Al Sandwich Composites

Determination of the deformation parameters of the steel reinforcing phase inside the aluminum matrix during hot rolling

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