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Cold extrusion of a shaped charge liner preform with hyperboloid structure: simulation and experiment.

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Title: Cold extrusion of a shaped charge liner preform with hyperboloid structure: simulation and experiment.
Authors: Zhan, Hong1 (AUTHOR), Shu, Dayu1 (AUTHOR) shudayu1980@163.com, Wu, Hulin1 (AUTHOR), Chen, Qiang1 (AUTHOR), Yu, Maolin2 (AUTHOR), Xia, Xiangsheng1 (AUTHOR), Chen, Ming3 (AUTHOR), Du, Chuanhang1 (AUTHOR)
Source: International Journal of Advanced Manufacturing Technology. Jan2024, Vol. 130 Issue 1/2, p933-944. 12p.
Subjects: Shaped charges, Hyperboloid structures, Friction, Microstructure, Diameter
Abstract: In this work, a novel five-step cold extrusion forging technology was proposed for fabricating a shaped charge liner with hyperboloid structure feature, in which three steps forming to develop the macroscopic hyperboloid shape and two steps annealing treatments to improve the microstructure and property of the liner. Besides, the preforming process was the focus of this investigation because the size structure, microstructure, and texture of the preform play a crucial role in the manufacture of the final forming process due to the heredity of dimension and microstructure, which also provides powerful process reference with the following forming steps. Based on the ABAQUS finite element (FE) platform, the cold extrusion process of the shaped charge liner preform was simulated, and the influences of forming parameters such as the initial billet size and friction coefficient between billet and dies on forming load, cavity filling, and strain distribution of the preform were investigated, respectively. The simulation results show that the optimal parameters of initial billet diameter and friction coefficient between dies and billet in cold extrusion preforming of shaped charge liner are 50 mm and 0.1, respectively. Additionally, the strain distribution of the shaped charge liner in the cold forming process was analyzed in detail. Finally, the experiment of the cold extrusion of the shaped charge liner preform was carried out to verify the feasibility of the cold extrusion process and the correctness of the simulation results. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Advanced Manufacturing Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Cold extrusion of a shaped charge liner preform with hyperboloid structure: simulation and experiment.
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  Data: <searchLink fieldCode="AR" term="%22Zhan%2C+Hong%22">Zhan, Hong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shu%2C+Dayu%22">Shu, Dayu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shudayu1980@163.com</i><br /><searchLink fieldCode="AR" term="%22Wu%2C+Hulin%22">Wu, Hulin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Qiang%22">Chen, Qiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Maolin%22">Yu, Maolin</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xia%2C+Xiangsheng%22">Xia, Xiangsheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Ming%22">Chen, Ming</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Chuanhang%22">Du, Chuanhang</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Advanced+Manufacturing+Technology%22">International Journal of Advanced Manufacturing Technology</searchLink>. Jan2024, Vol. 130 Issue 1/2, p933-944. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Shaped+charges%22">Shaped charges</searchLink><br /><searchLink fieldCode="DE" term="%22Hyperboloid+structures%22">Hyperboloid structures</searchLink><br /><searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Diameter%22">Diameter</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this work, a novel five-step cold extrusion forging technology was proposed for fabricating a shaped charge liner with hyperboloid structure feature, in which three steps forming to develop the macroscopic hyperboloid shape and two steps annealing treatments to improve the microstructure and property of the liner. Besides, the preforming process was the focus of this investigation because the size structure, microstructure, and texture of the preform play a crucial role in the manufacture of the final forming process due to the heredity of dimension and microstructure, which also provides powerful process reference with the following forming steps. Based on the ABAQUS finite element (FE) platform, the cold extrusion process of the shaped charge liner preform was simulated, and the influences of forming parameters such as the initial billet size and friction coefficient between billet and dies on forming load, cavity filling, and strain distribution of the preform were investigated, respectively. The simulation results show that the optimal parameters of initial billet diameter and friction coefficient between dies and billet in cold extrusion preforming of shaped charge liner are 50 mm and 0.1, respectively. Additionally, the strain distribution of the shaped charge liner in the cold forming process was analyzed in detail. Finally, the experiment of the cold extrusion of the shaped charge liner preform was carried out to verify the feasibility of the cold extrusion process and the correctness of the simulation results. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Advanced Manufacturing Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00170-023-12753-8
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        Text: English
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      – SubjectFull: Shaped charges
        Type: general
      – SubjectFull: Hyperboloid structures
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      – SubjectFull: Friction
        Type: general
      – SubjectFull: Microstructure
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      – SubjectFull: Diameter
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      – TitleFull: Cold extrusion of a shaped charge liner preform with hyperboloid structure: simulation and experiment.
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              Text: Jan2024
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              Y: 2024
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