Fatigue crack initiation and propagation in Cr-Mo Steel hydrogen storage vessels: Research on design for safe life

Jussi Solin, Laurent Briottet, Beatriz Acosta, Paolo Bortot, Jader Furtado, Elisabetta Mecozzi, Randy Dey

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    International standards and codes dedicated to design of pressure vessels are still unable to competitively ensure safe design and fitness for service of steel vessels for high pressure gaseous hydrogen. Emptying and shallow pressure cycles subject the material to hydrogen enhanced fatigue. A pre-normative project, MATHRYCE under the EU joint research program focused in this subject through material and component testing, analytical work, review of design methodologies and international collaboration. An easy to implement, safe and economically competitive vessel design methodology is targeted. Steps towards this goal were taken by deepening our understanding on hydrogen enhanced fatigue in different kinds of laboratory specimens and real vessels designed for hydrogen service at maximum 45 MPa pressure. This included cyclic pressure testing of artificially notched vessels both in hydrogen and inert environment. The effect of hydrogen pressure, frequency and mechanical loading parameters (AK, Sa) on fatigue crack initiation and propagation was analyzed. Attention was paid on the definition of "initiation" and influence of hydrogen on the relative parts of initiation and propagation on the fatigue life of a component. A good correlation between results with various test types was found. Particularly promising was the match between the measured - and estimated - crack growth rates in laboratory specimens and vessels. This supports our proposal for a safe design procedure based on crack growth and defect tolerant approach. Recommendations for implementation in a new international standard, on how to properly address hydrogen enhanced fatigue based on laboratory tests, were given and will be summarized in this presentation. Our results indicate that crack initiation from inclusions or other small microstructural features is not necessarily affected by hydrogen to a similar extent as crack growth, but when initiated, the remaining life may be short due to fast growth. This is challenging for design and inspection rules to allow economically competitive construction of hydrogen equipment without compromising safety.
    Original languageEnglish
    Title of host publicationASME 2016 Pressure Vessels and Piping Conference
    Subtitle of host publicationMaterials and Fabrication
    PublisherAmerican Society of Mechanical Engineers ASME
    Number of pages9
    Volume6B
    ISBN (Print)978-0-7918-5043-5
    DOIs
    Publication statusPublished - 2016
    MoE publication typeA4 Article in a conference publication
    EventASME 2016 Pressure Vessels and Piping Conference - Vancouver, Canada
    Duration: 17 Jul 201621 Jul 2016

    Conference

    ConferenceASME 2016 Pressure Vessels and Piping Conference
    CountryCanada
    CityVancouver
    Period17/07/1621/07/16

    Fingerprint

    Hydrogen storage
    Crack initiation
    Crack propagation
    Hydrogen
    Steel
    Fatigue of materials
    Fatigue cracks
    Testing
    Pressure vessels
    Inspection
    Defects

    Keywords

    • Steel
    • Design
    • Fatigue cracks
    • Hydrogen storage
    • Vessels

    Cite this

    Solin, J., Briottet, L., Acosta, B., Bortot, P., Furtado, J., Mecozzi, E., & Dey, R. (2016). Fatigue crack initiation and propagation in Cr-Mo Steel hydrogen storage vessels: Research on design for safe life. In ASME 2016 Pressure Vessels and Piping Conference: Materials and Fabrication (Vol. 6B). [PVP2016-63609] American Society of Mechanical Engineers ASME. https://doi.org/10.1115/PVP2016-63609
    Solin, Jussi ; Briottet, Laurent ; Acosta, Beatriz ; Bortot, Paolo ; Furtado, Jader ; Mecozzi, Elisabetta ; Dey, Randy. / Fatigue crack initiation and propagation in Cr-Mo Steel hydrogen storage vessels : Research on design for safe life. ASME 2016 Pressure Vessels and Piping Conference: Materials and Fabrication. Vol. 6B American Society of Mechanical Engineers ASME, 2016.
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    abstract = "International standards and codes dedicated to design of pressure vessels are still unable to competitively ensure safe design and fitness for service of steel vessels for high pressure gaseous hydrogen. Emptying and shallow pressure cycles subject the material to hydrogen enhanced fatigue. A pre-normative project, MATHRYCE under the EU joint research program focused in this subject through material and component testing, analytical work, review of design methodologies and international collaboration. An easy to implement, safe and economically competitive vessel design methodology is targeted. Steps towards this goal were taken by deepening our understanding on hydrogen enhanced fatigue in different kinds of laboratory specimens and real vessels designed for hydrogen service at maximum 45 MPa pressure. This included cyclic pressure testing of artificially notched vessels both in hydrogen and inert environment. The effect of hydrogen pressure, frequency and mechanical loading parameters (AK, Sa) on fatigue crack initiation and propagation was analyzed. Attention was paid on the definition of {"}initiation{"} and influence of hydrogen on the relative parts of initiation and propagation on the fatigue life of a component. A good correlation between results with various test types was found. Particularly promising was the match between the measured - and estimated - crack growth rates in laboratory specimens and vessels. This supports our proposal for a safe design procedure based on crack growth and defect tolerant approach. Recommendations for implementation in a new international standard, on how to properly address hydrogen enhanced fatigue based on laboratory tests, were given and will be summarized in this presentation. Our results indicate that crack initiation from inclusions or other small microstructural features is not necessarily affected by hydrogen to a similar extent as crack growth, but when initiated, the remaining life may be short due to fast growth. This is challenging for design and inspection rules to allow economically competitive construction of hydrogen equipment without compromising safety.",
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    Solin, J, Briottet, L, Acosta, B, Bortot, P, Furtado, J, Mecozzi, E & Dey, R 2016, Fatigue crack initiation and propagation in Cr-Mo Steel hydrogen storage vessels: Research on design for safe life. in ASME 2016 Pressure Vessels and Piping Conference: Materials and Fabrication. vol. 6B, PVP2016-63609, American Society of Mechanical Engineers ASME, ASME 2016 Pressure Vessels and Piping Conference, Vancouver, Canada, 17/07/16. https://doi.org/10.1115/PVP2016-63609

    Fatigue crack initiation and propagation in Cr-Mo Steel hydrogen storage vessels : Research on design for safe life. / Solin, Jussi; Briottet, Laurent; Acosta, Beatriz; Bortot, Paolo; Furtado, Jader; Mecozzi, Elisabetta; Dey, Randy.

    ASME 2016 Pressure Vessels and Piping Conference: Materials and Fabrication. Vol. 6B American Society of Mechanical Engineers ASME, 2016. PVP2016-63609.

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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    AU - Acosta, Beatriz

    AU - Bortot, Paolo

    AU - Furtado, Jader

    AU - Mecozzi, Elisabetta

    AU - Dey, Randy

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    N2 - International standards and codes dedicated to design of pressure vessels are still unable to competitively ensure safe design and fitness for service of steel vessels for high pressure gaseous hydrogen. Emptying and shallow pressure cycles subject the material to hydrogen enhanced fatigue. A pre-normative project, MATHRYCE under the EU joint research program focused in this subject through material and component testing, analytical work, review of design methodologies and international collaboration. An easy to implement, safe and economically competitive vessel design methodology is targeted. Steps towards this goal were taken by deepening our understanding on hydrogen enhanced fatigue in different kinds of laboratory specimens and real vessels designed for hydrogen service at maximum 45 MPa pressure. This included cyclic pressure testing of artificially notched vessels both in hydrogen and inert environment. The effect of hydrogen pressure, frequency and mechanical loading parameters (AK, Sa) on fatigue crack initiation and propagation was analyzed. Attention was paid on the definition of "initiation" and influence of hydrogen on the relative parts of initiation and propagation on the fatigue life of a component. A good correlation between results with various test types was found. Particularly promising was the match between the measured - and estimated - crack growth rates in laboratory specimens and vessels. This supports our proposal for a safe design procedure based on crack growth and defect tolerant approach. Recommendations for implementation in a new international standard, on how to properly address hydrogen enhanced fatigue based on laboratory tests, were given and will be summarized in this presentation. Our results indicate that crack initiation from inclusions or other small microstructural features is not necessarily affected by hydrogen to a similar extent as crack growth, but when initiated, the remaining life may be short due to fast growth. This is challenging for design and inspection rules to allow economically competitive construction of hydrogen equipment without compromising safety.

    AB - International standards and codes dedicated to design of pressure vessels are still unable to competitively ensure safe design and fitness for service of steel vessels for high pressure gaseous hydrogen. Emptying and shallow pressure cycles subject the material to hydrogen enhanced fatigue. A pre-normative project, MATHRYCE under the EU joint research program focused in this subject through material and component testing, analytical work, review of design methodologies and international collaboration. An easy to implement, safe and economically competitive vessel design methodology is targeted. Steps towards this goal were taken by deepening our understanding on hydrogen enhanced fatigue in different kinds of laboratory specimens and real vessels designed for hydrogen service at maximum 45 MPa pressure. This included cyclic pressure testing of artificially notched vessels both in hydrogen and inert environment. The effect of hydrogen pressure, frequency and mechanical loading parameters (AK, Sa) on fatigue crack initiation and propagation was analyzed. Attention was paid on the definition of "initiation" and influence of hydrogen on the relative parts of initiation and propagation on the fatigue life of a component. A good correlation between results with various test types was found. Particularly promising was the match between the measured - and estimated - crack growth rates in laboratory specimens and vessels. This supports our proposal for a safe design procedure based on crack growth and defect tolerant approach. Recommendations for implementation in a new international standard, on how to properly address hydrogen enhanced fatigue based on laboratory tests, were given and will be summarized in this presentation. Our results indicate that crack initiation from inclusions or other small microstructural features is not necessarily affected by hydrogen to a similar extent as crack growth, but when initiated, the remaining life may be short due to fast growth. This is challenging for design and inspection rules to allow economically competitive construction of hydrogen equipment without compromising safety.

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    Solin J, Briottet L, Acosta B, Bortot P, Furtado J, Mecozzi E et al. Fatigue crack initiation and propagation in Cr-Mo Steel hydrogen storage vessels: Research on design for safe life. In ASME 2016 Pressure Vessels and Piping Conference: Materials and Fabrication. Vol. 6B. American Society of Mechanical Engineers ASME. 2016. PVP2016-63609 https://doi.org/10.1115/PVP2016-63609