Numerical Simulation and Experimental Research of Metal Rolling

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 558

Special Issue Editor


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Guest Editor
State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China
Interests: ultra-thin rolling; variable thickness rolling; plate rolling; rolling process; transverse variable thickness thin plate

Special Issue Information

Dear Colleagues,

With the rapid development of energy conservation, emission reduction, lightweighting, and greening, the application of traditional equal thickness materials is facing challenges. Variable cross-section structural materials have become an important choice for structural design in many industries due to their significant weight reduction and consumption reduction effects, without compromising structural safety. Some precision mechanical components are also using variable thickness plates and strips. The development and application of variable thickness materials, including the control and characterization of materials in all processing steps and their final performance analysis, are within the scope of this special issue. At present, typical variable cross-section materials have been widely used in many industries, such as TRB for automobiles, variable thickness plate springs for trucks, and LP plates for ships. The advantages of this material will have potential applications in the fields of metals, metal alloys, and composite materials. The rolling method determines the dimensional accuracy, surface quality, coating adhesion, and equipment stability of variable thickness materials. The annealing process has an important impact on the mechanical properties of different variable thickness areas and the alloying process of coatings. Due to the above reasons, the preparation process of variable thickness materials is closely related to different material properties and surface coating types, and the material properties obtained based on different process paths vary greatly.

In this special issue, we welcome articles on different types of variable thickness preparation methods and their impact on final performance. The variable thickness preparation method is not only in the field of steel but also in the fields of stainless steel, aluminum alloy, and titanium alloy, which is the future development direction.

Dr. Xianlei Hu
Guest Editor

Manuscript Submission Information

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Keywords

  • TRB
  • variable thickness rolling
  • LP
  • transverse variable thickness sheet
  • annealing
  • hot stamping steel
  • Al-Si coating

Published Papers (1 paper)

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Research

18 pages, 13337 KiB  
Article
Numerical Simulation and Experimental Verification of Hot Roll Bonding of 7000 Series Aluminum Alloy Laminated Materials
by Wei Xu, Chengdong Xia and Chengyuan Ni
Metals 2024, 14(5), 551; https://doi.org/10.3390/met14050551 - 7 May 2024
Viewed by 448
Abstract
In the present study, the hot roll bonding process of 7000 series aluminum alloy laminated materials was numerically simulated and investigated using the finite element method, and the process parameters were experimentally verified by properties testing and microstructure analysis after hot roll bonding. [...] Read more.
In the present study, the hot roll bonding process of 7000 series aluminum alloy laminated materials was numerically simulated and investigated using the finite element method, and the process parameters were experimentally verified by properties testing and microstructure analysis after hot roll bonding. In the roll bonding process of aluminum alloy laminated materials, the effects of the intermediate layer, pass reduction ratio, rolling speed and thickness ratio of component layers were studied. The results of finite element simulations showed that the addition of a 701 intermediate layer in the hot roll bonding process could effectively coordinate the deformation of the 705 layer and 706 layer and prevented the warping of the laminated material during hot rolling. It is recommended to use a multi-pass rolling process with small deformation and high speed, and the recommended rolling reduction ratio is 20%~30%, the hot rolling speed is 1.5~2.5 m/s and the thickness ratio of the 705 layer and 706 layer is about 1:5. Based on the above numerical results, five-layer and seven-layer 7000 series aluminum alloy laminated materials were prepared by the hot roll bonding process. The results showed that metallurgical bonding was realized between each component layer, and no delamination was observed from the tensile fracture between the interfaces of component layers. The tensile strength of the prepared laminated materials decreased with the increase in the thickness ratio of the 705 layer, and the bonding strengths of the laminated materials were in the range of 88–99 MPa. The experimental results verified the rationality of the process parameters recommended by the numerical simulations in terms of warping and delamination prevention. Full article
(This article belongs to the Special Issue Numerical Simulation and Experimental Research of Metal Rolling)
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