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Nondestructive evaluation of micro-oxide inclusions in additively manufactured metal parts using nonlinear ultrasonic technique.

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Title: Nondestructive evaluation of micro-oxide inclusions in additively manufactured metal parts using nonlinear ultrasonic technique.
Authors: Park, Seong-Hyun1 (AUTHOR), Eo, Du-Rim2 (AUTHOR), Cho, Jung-Wook3 (AUTHOR), Jhang, Kyung-Young1 (AUTHOR) kyjhang@hanyang.ac.kr
Source: Journal of Materials Processing Technology. Dec2021, Vol. 298, pN.PAG-N.PAG. 1p.
Subjects: Nondestructive testing, Metal inclusions, Ultrasonics, Three-dimensional printing, Tensile tests, Metals, Metallic oxides
Abstract: • Micro-oxide inclusions were evaluated using nonlinear ultrasonic technique (NUT). • Superior evaluation ability was observed compared to conventional methods. • The strengthened mechanical properties by the inclusions were assessed. • NUT has potential for nondestructive online operation during AM processes. Additive manufacturing (AM), commonly known as 3D printing, is an emerging technology for manufacturing metal parts. Recently, micro-oxide inclusions, which are inevitably generated during AM processes owing to the high-temperature environment, have been noted to enhance the mechanical strength of AM metal parts. However, an explicit nondestructive testing (NDT) method to assess the micro-oxide inclusions of AM metal parts has not been reported yet owing to the difficulty of sensing micro-inclusions. In this study, the micro-oxide inclusions of AM metal parts were evaluated nondestructively using a nonlinear ultrasonic technique. The uniqueness and advantages of this study are (1) the development of a micro-oxide inclusion evaluation technique for AM metal parts, (2) superior evaluation ability for micro-inclusions compared to conventional NDT; (3) applicability of the proposed method in assessing the strengthening of the mechanical properties of the AM parts by the inclusions; and (4) potential for nondestructive online monitoring. The performance of the proposed method was validated using specimens fabricated under various 3D printing conditions. The results of the micro-oxide inclusions assessed by the proposed method were consistent with the metallography and tensile testing results. Furthermore, the performance of the proposed method was better than that of conventional NDT. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Processing Technology is the property of Elsevier B.V. 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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DbLabel: Engineering Source
An: 152188822
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Nondestructive evaluation of micro-oxide inclusions in additively manufactured metal parts using nonlinear ultrasonic technique.
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  Data: <searchLink fieldCode="AR" term="%22Park%2C+Seong-Hyun%22">Park, Seong-Hyun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eo%2C+Du-Rim%22">Eo, Du-Rim</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cho%2C+Jung-Wook%22">Cho, Jung-Wook</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jhang%2C+Kyung-Young%22">Jhang, Kyung-Young</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kyjhang@hanyang.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Processing+Technology%22">Journal of Materials Processing Technology</searchLink>. Dec2021, Vol. 298, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Nondestructive+testing%22">Nondestructive testing</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+inclusions%22">Metal inclusions</searchLink><br /><searchLink fieldCode="DE" term="%22Ultrasonics%22">Ultrasonics</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+printing%22">Three-dimensional printing</searchLink><br /><searchLink fieldCode="DE" term="%22Tensile+tests%22">Tensile tests</searchLink><br /><searchLink fieldCode="DE" term="%22Metals%22">Metals</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+oxides%22">Metallic oxides</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Micro-oxide inclusions were evaluated using nonlinear ultrasonic technique (NUT). • Superior evaluation ability was observed compared to conventional methods. • The strengthened mechanical properties by the inclusions were assessed. • NUT has potential for nondestructive online operation during AM processes. Additive manufacturing (AM), commonly known as 3D printing, is an emerging technology for manufacturing metal parts. Recently, micro-oxide inclusions, which are inevitably generated during AM processes owing to the high-temperature environment, have been noted to enhance the mechanical strength of AM metal parts. However, an explicit nondestructive testing (NDT) method to assess the micro-oxide inclusions of AM metal parts has not been reported yet owing to the difficulty of sensing micro-inclusions. In this study, the micro-oxide inclusions of AM metal parts were evaluated nondestructively using a nonlinear ultrasonic technique. The uniqueness and advantages of this study are (1) the development of a micro-oxide inclusion evaluation technique for AM metal parts, (2) superior evaluation ability for micro-inclusions compared to conventional NDT; (3) applicability of the proposed method in assessing the strengthening of the mechanical properties of the AM parts by the inclusions; and (4) potential for nondestructive online monitoring. The performance of the proposed method was validated using specimens fabricated under various 3D printing conditions. The results of the micro-oxide inclusions assessed by the proposed method were consistent with the metallography and tensile testing results. Furthermore, the performance of the proposed method was better than that of conventional NDT. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Processing Technology is the property of Elsevier B.V. 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jmatprotec.2021.117281
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Nondestructive testing
        Type: general
      – SubjectFull: Metal inclusions
        Type: general
      – SubjectFull: Ultrasonics
        Type: general
      – SubjectFull: Three-dimensional printing
        Type: general
      – SubjectFull: Tensile tests
        Type: general
      – SubjectFull: Metals
        Type: general
      – SubjectFull: Metallic oxides
        Type: general
    Titles:
      – TitleFull: Nondestructive evaluation of micro-oxide inclusions in additively manufactured metal parts using nonlinear ultrasonic technique.
        Type: main
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          Name:
            NameFull: Park, Seong-Hyun
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            NameFull: Eo, Du-Rim
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            NameFull: Cho, Jung-Wook
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            NameFull: Jhang, Kyung-Young
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            – D: 01
              M: 12
              Text: Dec2021
              Type: published
              Y: 2021
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              Value: 298
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            – TitleFull: Journal of Materials Processing Technology
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