Abstract
Cryogenic mechanical properties of a heavy-section weldment of high-manganese austenitic steel for the structure of superconducting magnet were evaluated. The heavy-section weld joint with a 200 mm thickness was manufactured by gas tungsten arc welding (GTAW) process using 21Mn-13Cr-5Ni-0.2N-B steel weld material. No cracks were observed in the weld metal. Tensile property and fracture toughness were tested at 4 K. The yield strength and the fracture toughness value, KIC(J), were 1223 ~ 1278 MPa and 181 – 201 MPam1/2 in the weld metal, respectively.
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© 1996 Springer Science+Business Media New York
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Matsumoto, O., Murai, Y., Tsuchiyama, T., Hada, S., Nakajima, H. (1996). Cryogenic Mechanical Properties of Heavy-Section Weldment in High-Manganese Austenitic Steel. In: Summers, L.T. (eds) Advances in Cryogenic Engineering Materials . Advances in Cryogenic Engineering Materials , vol 42. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9059-7_44
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DOI: https://doi.org/10.1007/978-1-4757-9059-7_44
Publisher Name: Springer, Boston, MA
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