Measurement of Fatigue Crack Growth Relationships in Hydrogen Gas for Pressure Swing Adsorber Vessel Steels

Somerday, Brian P.; Barney, Monica

doi:10.1115/1.4028349

Title: Measurement of Fatigue Crack Growth Relationships in Hydrogen Gas for Pressure Swing Adsorber Vessel Steels

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Abstract

We measured the hydrogen-assisted fatigue crack growth rates (da/dN) for SA516 Grade 70 steel as a function of stress-intensity factor range (ΔK) and load-cycle frequency to provide life-prediction data relevant to pressure swing adsorber (PSA) vessels. For ΔK values up to 18.5 MPa m^1/2, the baseline da/dN versus ΔK relationship measured at 1Hz in 2.8 MPa hydrogen gas represents an upper bound with respect to crack growth rates measured at lower frequency. However, at higher ΔK values, we found that the baseline da/dN data had to be corrected to account for modestly higher crack growth rates at the lower frequencies relevant to PSA vessel operation.

Authors:

Somerday, Brian P. ^[1]; Barney, Monica ^[2]

Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Chevron Energy Technology Company, Richmond, CA (United States)

Publication Date:: Thu Dec 04 00:00:00 EST 2014

Research Org.:: Sandia National Lab. (SNL-CA), Livermore, CA (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1140560

Report Number(s):: SAND2014-0545J
Journal ID: ISSN 0094-9930; 498398

Grant/Contract Number:: AC04-94AL85000

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Pressure Vessel Technology

Additional Journal Information:: Journal Volume: 137; Journal Issue: 2; Journal ID: ISSN 0094-9930

Publisher:: ASME

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; pressure; steel; stress; fracture (materials); cycles; fatigue cracks; hydrogen; vessels

Citation Formats


                    Somerday, Brian P., and Barney, Monica. Measurement of Fatigue Crack Growth Relationships in Hydrogen Gas for Pressure Swing Adsorber Vessel Steels.  United States: N. p., 2014. 
Web.  doi:10.1115/1.4028349.

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                    Somerday, Brian P., & Barney, Monica. Measurement of Fatigue Crack Growth Relationships in Hydrogen Gas for Pressure Swing Adsorber Vessel Steels.  United States.  https://doi.org/10.1115/1.4028349

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                    Somerday, Brian P., and Barney, Monica. Thu .  
"Measurement of Fatigue Crack Growth Relationships in Hydrogen Gas for Pressure Swing Adsorber Vessel Steels".  United States.  https://doi.org/10.1115/1.4028349.  https://www.osti.gov/servlets/purl/1140560.

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@article{osti_1140560,

  title        = {Measurement of Fatigue Crack Growth Relationships in Hydrogen Gas for Pressure Swing Adsorber Vessel Steels},

  author       = {Somerday, Brian P. and Barney, Monica},

  abstractNote = {We measured the hydrogen-assisted fatigue crack growth rates (da/dN) for SA516 Grade 70 steel as a function of stress-intensity factor range (ΔK) and load-cycle frequency to provide life-prediction data relevant to pressure swing adsorber (PSA) vessels. For ΔK values up to 18.5 MPa m1/2, the baseline da/dN versus ΔK relationship measured at 1Hz in 2.8 MPa hydrogen gas represents an upper bound with respect to crack growth rates measured at lower frequency. However, at higher ΔK values, we found that the baseline da/dN data had to be corrected to account for modestly higher crack growth rates at the lower frequencies relevant to PSA vessel operation.},

  doi          = {10.1115/1.4028349},

  journal      = {Journal of Pressure Vessel Technology},

  number       = 2,

  volume       = 137,

  place        = {United States},

  year         = {Thu Dec 04 00:00:00 EST 2014},

  month        = {Thu Dec 04 00:00:00 EST 2014}

}

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