October 10, 2025

Fracture Resistance of High Strength Steel Welds in Gaseous Hydrogen Determined Using Potential Difference and Unloading Compliance

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Fracture resistance of high strength steel welds is significantly impacted by hydrogen exposure at pressures up to 200 bar.
Test results indicated the potential difference method provides more precise measurements of crack extension compared to unloading compliance.
Displacement rate effects on crack-extension monitoring showed variances between methods, influencing the assessment of structural integrity.
Comparative analysis of welding techniques highlights the necessity for consistent testing approaches for pressure vessels in hydrogen applications.

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Implication

This research reveals fracture resistance in high strength steel welds under gaseous hydrogen pressure, suggesting optimal testing methods for safety.

Cite This Study

Bortot et al. (2025) studied this question.

synapsesocial.com/papers/68e8619c7ef2f04ca37e4357 https://doi.org/10.1115/pvp2025-154490

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Implication

This research reveals fracture resistance in high strength steel welds under gaseous hydrogen pressure, suggesting optimal testing methods for safety.

Fracture Resistance of High Strength Steel Welds in Gaseous Hydrogen Determined Using Potential Difference and Unloading Compliance

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Implication

Cite This Study

Fracture Resistance of High Strength Steel Welds in Gaseous Hydrogen Determined Using Potential Difference and Unloading Compliance

Key Points

Discussion

Implication

Cite This Study

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