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Effect of Beam Offset of Microstructure and Mechanical Properties of Electron Beam Welding of TZM to Ti-6Al-4V Alloy.

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Title: Effect of Beam Offset of Microstructure and Mechanical Properties of Electron Beam Welding of TZM to Ti-6Al-4V Alloy.
Authors: Shi, Xinmin1,2 (AUTHOR), Mo, Defeng1,2 (AUTHOR) dfmo@mail.sitp.ac.cn, Zhao, Tong1,2 (AUTHOR), Zhang, Yang1,2 (AUTHOR), Sun, Wen1,2 (AUTHOR), Li, Xue1,2 (AUTHOR) lixue@mail.sitp.ac.cn
Source: Journal of Materials Engineering & Performance. Jul2025, Vol. 34 Issue 13, p13176-13191. 16p.
Subjects: Electron beam welding, Welded joints, Tensile strength, Martensite, Welding
Abstract: Electron beam welding of TZM and Ti-6Al-4V was performed with different beam offsets. A comprehensive analysis was undertaken to evaluate the effects of beam offsets on the joint's microstructure, element distribution, phase composition, and mechanical properties. The microstructure of welded joints underwent a transformation from sporadic dendrite to uninterrupted dendrite structure. With the 0.3 mm beam offset, the fusion zone predominantly comprised martensite. Interestingly, as the beam offset increased, the Mo concentration in the fusion zone decreased from 20 to 1.55 at.%. The phase composition of the welded joints also varied with the beam offset. With a minimal offset of 0.1 mm, the phases ranged from (Mo, Ti) to β-Ti and ω-Ti. As the offset increased to 0.3 and 0.4 mm, the α' phase became dominant. The tensile strength of the joints initially increased first and then reduced in the offset range of 0-0.4 mm. The maximum tensile strength of 480 MPa was obtained at the beam offset of 0.2 mm, while fractured at the heat-affected zone of TZM. [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: 186679272
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Effect of Beam Offset of Microstructure and Mechanical Properties of Electron Beam Welding of TZM to Ti-6Al-4V Alloy.
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  Data: <searchLink fieldCode="AR" term="%22Shi%2C+Xinmin%22">Shi, Xinmin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mo%2C+Defeng%22">Mo, Defeng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> dfmo@mail.sitp.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Tong%22">Zhao, Tong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yang%22">Zhang, Yang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Wen%22">Sun, Wen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Xue%22">Li, Xue</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> lixue@mail.sitp.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. Jul2025, Vol. 34 Issue 13, p13176-13191. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Electron+beam+welding%22">Electron beam welding</searchLink><br /><searchLink fieldCode="DE" term="%22Welded+joints%22">Welded joints</searchLink><br /><searchLink fieldCode="DE" term="%22Tensile+strength%22">Tensile strength</searchLink><br /><searchLink fieldCode="DE" term="%22Martensite%22">Martensite</searchLink><br /><searchLink fieldCode="DE" term="%22Welding%22">Welding</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Electron beam welding of TZM and Ti-6Al-4V was performed with different beam offsets. A comprehensive analysis was undertaken to evaluate the effects of beam offsets on the joint's microstructure, element distribution, phase composition, and mechanical properties. The microstructure of welded joints underwent a transformation from sporadic dendrite to uninterrupted dendrite structure. With the 0.3 mm beam offset, the fusion zone predominantly comprised martensite. Interestingly, as the beam offset increased, the Mo concentration in the fusion zone decreased from 20 to 1.55 at.%. The phase composition of the welded joints also varied with the beam offset. With a minimal offset of 0.1 mm, the phases ranged from (Mo, Ti) to β-Ti and ω-Ti. As the offset increased to 0.3 and 0.4 mm, the α' phase became dominant. The tensile strength of the joints initially increased first and then reduced in the offset range of 0-0.4 mm. The maximum tensile strength of 480 MPa was obtained at the beam offset of 0.2 mm, while fractured at the heat-affected zone of TZM. [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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s11665-024-10032-5
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 13176
    Subjects:
      – SubjectFull: Electron beam welding
        Type: general
      – SubjectFull: Welded joints
        Type: general
      – SubjectFull: Tensile strength
        Type: general
      – SubjectFull: Martensite
        Type: general
      – SubjectFull: Welding
        Type: general
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      – TitleFull: Effect of Beam Offset of Microstructure and Mechanical Properties of Electron Beam Welding of TZM to Ti-6Al-4V Alloy.
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            NameFull: Shi, Xinmin
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            NameFull: Mo, Defeng
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            NameFull: Zhao, Tong
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            NameFull: Zhang, Yang
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            NameFull: Sun, Wen
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            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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