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This is a Experimental Study study.

October 10, 2025

Fracture Toughness Evaluation by Large-Scale Test Under Hydrogen Liquefaction Temperature

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The evaluation revealed that the tested SUS316L material exhibited high fracture toughness at liquefaction temperature.
Cooling equipment allowed testing of fracture toughness in real conditions, maintaining temperature at -253°C.
Stable ductile crack initiation and propagation confirmed integrity of materials used in large-scale hydrogen storage.
This study emphasizes the importance of integrity assessment for large liquefied hydrogen storage tanks under extreme conditions.

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Large-scale testing shows high fracture toughness in SUS316L at -253°C, suggesting safety for liquid hydrogen storage.

Hiraide et al. (2025) studied this question.

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