Assessment of Hot Crack Properties of Laser Welded Stainless Steel

Thomas Winther Juhl, Flemming Ove Olsen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    Crack testing concerning small and fast solidifying laser welds in austenitic stainless steel has been studied. A set of methods has been applied to investigate alloy properties, including (1) Application of known information to predict solidification phases, (2) Weld metal solidification rate measurements for prediction of phases, (3) Various crack tests to assess the crack susceptibility of alloys and (4) A combination of the above for selection of suitable, weldable alloys. The possibility of using such specific methods for alloys and applications has been investigated and recommendations are given. Results from the solidification rate measurements had high variations. They do not show an expected correlation between the crack resistance and the solidification rate. The employment of pulsed seam welds is assessed not to be usable in the present measurement method. From evaluation of several crack tests, the Weeter spot weld test has been chosen to form a basis for the development of a practicable method to select specific alloys for welding applications. A new test, the Groove weld test was developed, which has reduced the time consumption and lightened the analysis effort considerably. The Groove test showed results in good compliance with the Weeter test.
    Original languageEnglish
    Title of host publicationLAMP 2002
    Place of PublicationOaska
    PublisherJapan Laser Processing Society
    Publication date2003
    Publication statusPublished - 2003
    EventInternational Congress on Laser Advanced Materials Processing - Osaka, Japan
    Duration: 27 May 200231 May 2002

    Conference

    ConferenceInternational Congress on Laser Advanced Materials Processing
    CountryJapan
    CityOsaka
    Period27/05/200231/05/2002

    Cite this

    Juhl, T. W., & Olsen, F. O. (2003). Assessment of Hot Crack Properties of Laser Welded Stainless Steel. In LAMP 2002 Oaska: Japan Laser Processing Society.
    Juhl, Thomas Winther ; Olsen, Flemming Ove. / Assessment of Hot Crack Properties of Laser Welded Stainless Steel. LAMP 2002. Oaska : Japan Laser Processing Society, 2003.
    @inproceedings{eaf344dae5b04ddc8c20a5c27a388308,
    title = "Assessment of Hot Crack Properties of Laser Welded Stainless Steel",
    abstract = "Crack testing concerning small and fast solidifying laser welds in austenitic stainless steel has been studied. A set of methods has been applied to investigate alloy properties, including (1) Application of known information to predict solidification phases, (2) Weld metal solidification rate measurements for prediction of phases, (3) Various crack tests to assess the crack susceptibility of alloys and (4) A combination of the above for selection of suitable, weldable alloys. The possibility of using such specific methods for alloys and applications has been investigated and recommendations are given. Results from the solidification rate measurements had high variations. They do not show an expected correlation between the crack resistance and the solidification rate. The employment of pulsed seam welds is assessed not to be usable in the present measurement method. From evaluation of several crack tests, the Weeter spot weld test has been chosen to form a basis for the development of a practicable method to select specific alloys for welding applications. A new test, the Groove weld test was developed, which has reduced the time consumption and lightened the analysis effort considerably. The Groove test showed results in good compliance with the Weeter test.",
    keywords = "Stainless steel, Weeter test, Solidification, Hot crack test, Fast solidififcation",
    author = "Juhl, {Thomas Winther} and Olsen, {Flemming Ove}",
    year = "2003",
    language = "English",
    booktitle = "LAMP 2002",
    publisher = "Japan Laser Processing Society",

    }

    Juhl, TW & Olsen, FO 2003, Assessment of Hot Crack Properties of Laser Welded Stainless Steel. in LAMP 2002. Japan Laser Processing Society, Oaska, International Congress on Laser Advanced Materials Processing, Osaka, Japan, 27/05/2002.

    Assessment of Hot Crack Properties of Laser Welded Stainless Steel. / Juhl, Thomas Winther; Olsen, Flemming Ove.

    LAMP 2002. Oaska : Japan Laser Processing Society, 2003.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    TY - GEN

    T1 - Assessment of Hot Crack Properties of Laser Welded Stainless Steel

    AU - Juhl, Thomas Winther

    AU - Olsen, Flemming Ove

    PY - 2003

    Y1 - 2003

    N2 - Crack testing concerning small and fast solidifying laser welds in austenitic stainless steel has been studied. A set of methods has been applied to investigate alloy properties, including (1) Application of known information to predict solidification phases, (2) Weld metal solidification rate measurements for prediction of phases, (3) Various crack tests to assess the crack susceptibility of alloys and (4) A combination of the above for selection of suitable, weldable alloys. The possibility of using such specific methods for alloys and applications has been investigated and recommendations are given. Results from the solidification rate measurements had high variations. They do not show an expected correlation between the crack resistance and the solidification rate. The employment of pulsed seam welds is assessed not to be usable in the present measurement method. From evaluation of several crack tests, the Weeter spot weld test has been chosen to form a basis for the development of a practicable method to select specific alloys for welding applications. A new test, the Groove weld test was developed, which has reduced the time consumption and lightened the analysis effort considerably. The Groove test showed results in good compliance with the Weeter test.

    AB - Crack testing concerning small and fast solidifying laser welds in austenitic stainless steel has been studied. A set of methods has been applied to investigate alloy properties, including (1) Application of known information to predict solidification phases, (2) Weld metal solidification rate measurements for prediction of phases, (3) Various crack tests to assess the crack susceptibility of alloys and (4) A combination of the above for selection of suitable, weldable alloys. The possibility of using such specific methods for alloys and applications has been investigated and recommendations are given. Results from the solidification rate measurements had high variations. They do not show an expected correlation between the crack resistance and the solidification rate. The employment of pulsed seam welds is assessed not to be usable in the present measurement method. From evaluation of several crack tests, the Weeter spot weld test has been chosen to form a basis for the development of a practicable method to select specific alloys for welding applications. A new test, the Groove weld test was developed, which has reduced the time consumption and lightened the analysis effort considerably. The Groove test showed results in good compliance with the Weeter test.

    KW - Stainless steel

    KW - Weeter test

    KW - Solidification

    KW - Hot crack test

    KW - Fast solidififcation

    M3 - Article in proceedings

    BT - LAMP 2002

    PB - Japan Laser Processing Society

    CY - Oaska

    ER -

    Juhl TW, Olsen FO. Assessment of Hot Crack Properties of Laser Welded Stainless Steel. In LAMP 2002. Oaska: Japan Laser Processing Society. 2003