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The Role of Heat Treatment on the Fracture Behavior of TC1 Titanium Alloy/Al 6061 Explosively Welds Using Al 1060 Interlayer.

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Title: The Role of Heat Treatment on the Fracture Behavior of TC1 Titanium Alloy/Al 6061 Explosively Welds Using Al 1060 Interlayer.
Authors: Zhou, Haiwei1 (AUTHOR), Shao, Fei1 (AUTHOR) shaofei2022@sina.com, Bai, Linyue1 (AUTHOR), Xu, Qian1 (AUTHOR), Yuan, Jiaxin1 (AUTHOR), Liu, Hailong1 (AUTHOR)
Source: Journal of Materials Engineering & Performance. Feb2026, Vol. 35 Issue 8, p8000-8010. 11p.
Subjects: Heat treatment, Explosive welding, Fracture mechanics, Titanium alloys, Crystal grain boundaries, Mechanical behavior of materials, Composite materials, Aluminum alloys
Abstract: This study employed explosive welding technology to fabricate a TC1/1060/6061 composite plate subjected to subsequent tensile and interfacial shear tests before and after heat treatment. The macroscopic mechanical properties and fracture behavior were examined through microscopic grain observation and mechanical properties testing. The findings indicated a significant reduction in the strength of 6061 by 60.7% following heat treatment, resulting in an overall decline in the titanium/aluminum composite plate's strength by 29.9%, yet an significantly enhancement in ductility. The grain size of the vortex region at the 1060/6061 interface remained unchanged after heat treatment. However, the grain morphology of the aluminum side changed greatly. Most of the deformed structures developed into recrystallized structures and substructures, and the low-angle grain boundaries were transformed into high-angle grain boundaries. Consequently, the tensile fracture interface on the aluminum side separated. After heat treatment, the average hardness values of TC1, 1060, and 6061 decreased by 6.4%, 29.2%, and 59.6%, respectively. This micromechanical adjustment can be attributed as the cause of improvement of the ductility observed in each layer and the composite plate. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192012121
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: The Role of Heat Treatment on the Fracture Behavior of TC1 Titanium Alloy/Al 6061 Explosively Welds Using Al 1060 Interlayer.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. Feb2026, Vol. 35 Issue 8, p8000-8010. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Explosive+welding%22">Explosive welding</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+mechanics%22">Fracture mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium+alloys%22">Titanium alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+grain+boundaries%22">Crystal grain boundaries</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+materials%22">Composite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+alloys%22">Aluminum alloys</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study employed explosive welding technology to fabricate a TC1/1060/6061 composite plate subjected to subsequent tensile and interfacial shear tests before and after heat treatment. The macroscopic mechanical properties and fracture behavior were examined through microscopic grain observation and mechanical properties testing. The findings indicated a significant reduction in the strength of 6061 by 60.7% following heat treatment, resulting in an overall decline in the titanium/aluminum composite plate's strength by 29.9%, yet an significantly enhancement in ductility. The grain size of the vortex region at the 1060/6061 interface remained unchanged after heat treatment. However, the grain morphology of the aluminum side changed greatly. Most of the deformed structures developed into recrystallized structures and substructures, and the low-angle grain boundaries were transformed into high-angle grain boundaries. Consequently, the tensile fracture interface on the aluminum side separated. After heat treatment, the average hardness values of TC1, 1060, and 6061 decreased by 6.4%, 29.2%, and 59.6%, respectively. This micromechanical adjustment can be attributed as the cause of improvement of the ductility observed in each layer and the composite plate. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Engineering & Performance 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/s11665-025-12235-w
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        Text: English
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      – SubjectFull: Heat treatment
        Type: general
      – SubjectFull: Explosive welding
        Type: general
      – SubjectFull: Fracture mechanics
        Type: general
      – SubjectFull: Titanium alloys
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      – SubjectFull: Crystal grain boundaries
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      – SubjectFull: Mechanical behavior of materials
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      – SubjectFull: Composite materials
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      – SubjectFull: Aluminum alloys
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      – TitleFull: The Role of Heat Treatment on the Fracture Behavior of TC1 Titanium Alloy/Al 6061 Explosively Welds Using Al 1060 Interlayer.
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            NameFull: Zhou, Haiwei
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              M: 02
              Text: Feb2026
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              Y: 2026
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