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Deformation Control of TC4 Titanium Alloy in Thin-Walled Hyperbolic Structures During Hot Forming Processes.

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Title: Deformation Control of TC4 Titanium Alloy in Thin-Walled Hyperbolic Structures During Hot Forming Processes.
Authors: Zhang, Tao1,2 (AUTHOR) 13581842743@163.com, Xia, Jianchao3 (AUTHOR) xiajianchao@stu.xjtu.edu.cn, Han, Xiuquan2 (AUTHOR) hanyujiehao@126.com, Du, Lihua2 (AUTHOR) fengchaocao@126.com, Chen, Lihua4 (AUTHOR) chen17601642300@163.com, Han, Yujie2 (AUTHOR), Cao, Fengchao2 (AUTHOR), Wang, Duoduo4 (AUTHOR) zztaurus@163.com, Liu, Xiaochuan3 (AUTHOR) liuxiaochuan2020@xjtu.edu.cn
Source: Materials (1996-1944). Dec2024, Vol. 17 Issue 24, p6146. 23p.
Subjects: Hyperboloid structures, Thin-walled structures, Hyperbolic processes, Tensile tests, Hot pressing
Abstract: The thin-walled hyperbolic structures made from titanium alloy primarily encompass two typical forms: hyperbolic convex and hyperbolic concave (saddle). This paper addresses the technical challenges associated with the forming processes that frequently result in ripples or wrinkles in these configurations. Specifically, it investigates precision control techniques for the hot forming process of thin-walled hyperbolic skins from TC4 titanium alloy. The present study examines the relationship between the instability characteristics and defect features of the thin-walled hyperbolic skins, establishing a constitutive model for TC4 titanium alloy and conducting uniaxial tensile tests. For the hyperbolic convex skin and the hyperbolic saddle skin, small-margin coupled hot pressing and curved edge forming processes are employed, respectively. Results are analyzed to identify the forms and distribution patterns of forming defects across different geometries. Furthermore, the surface accuracy following the forming processes is compared, culminating in a summary of the relationship between the ratio of the sum of chord heights to the sum of chord lengths and the occurrence of ripples and wrinkles. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI 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: Deformation Control of TC4 Titanium Alloy in Thin-Walled Hyperbolic Structures During Hot Forming Processes.
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  Data: The thin-walled hyperbolic structures made from titanium alloy primarily encompass two typical forms: hyperbolic convex and hyperbolic concave (saddle). This paper addresses the technical challenges associated with the forming processes that frequently result in ripples or wrinkles in these configurations. Specifically, it investigates precision control techniques for the hot forming process of thin-walled hyperbolic skins from TC4 titanium alloy. The present study examines the relationship between the instability characteristics and defect features of the thin-walled hyperbolic skins, establishing a constitutive model for TC4 titanium alloy and conducting uniaxial tensile tests. For the hyperbolic convex skin and the hyperbolic saddle skin, small-margin coupled hot pressing and curved edge forming processes are employed, respectively. Results are analyzed to identify the forms and distribution patterns of forming defects across different geometries. Furthermore, the surface accuracy following the forming processes is compared, culminating in a summary of the relationship between the ratio of the sum of chord heights to the sum of chord lengths and the occurrence of ripples and wrinkles. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI 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: 10.3390/ma17246146
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        Text: English
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        PageCount: 23
        StartPage: 6146
    Subjects:
      – SubjectFull: Hyperboloid structures
        Type: general
      – SubjectFull: Thin-walled structures
        Type: general
      – SubjectFull: Hyperbolic processes
        Type: general
      – SubjectFull: Tensile tests
        Type: general
      – SubjectFull: Hot pressing
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      – TitleFull: Deformation Control of TC4 Titanium Alloy in Thin-Walled Hyperbolic Structures During Hot Forming Processes.
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            NameFull: Zhang, Tao
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            NameFull: Xia, Jianchao
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            – D: 15
              M: 12
              Text: Dec2024
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              Y: 2024
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