Fracture Toughness and Fatigue Crack Growth Behavior at 4.2K in 22Mn--13Cr--5Ni Non-Magnetic Heavy Thickness Steel Plate

Fracture Toughness and Fatigue Crack Growth Behavior at 4.2K in 22Mn--13Cr--5Ni Non-Magnetic Heavy Thickness Steel Plate

Non-magnetic heavy thickness steel plates, which have high yield strength, good fracture toughness and fatigue crack growth properties at liquid helium temperature (4.2K), are required as structural material for a large superconducting magnet. A previous study indicated that a 22Mn--13Cr--5Ni steel...

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Veröffentlicht in:Transactions of the Iron and Steel Institute of Japan 1985-11, Vol.25 (11), p.B-317
Hauptverfasser: Tone, S, Hiromatsu, M, Kaji, H, Ogawa, R, Shimamoto, S
Format: Artikel
Sprache:eng
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Zusammenfassung:Non-magnetic heavy thickness steel plates, which have high yield strength, good fracture toughness and fatigue crack growth properties at liquid helium temperature (4.2K), are required as structural material for a large superconducting magnet. A previous study indicated that a 22Mn--13Cr--5Ni steel plate with thickness of 70 mm has good cryogenic properites. The fracture toughness and fatigue crack growth behavior were investigated at 4.2K for the steel plates with thickness up to 150 mm. 1 ref.--AA
ISSN:0021-1583