Based on the collaborative framework established between ASME, NASA, and NIST, quasi-static tensile tests were performed in liquid nitrogen (77 K) and liquid helium (4 K) on tensile specimens extracted from the centers of four welded 316L stainless steel plates, each produced by a different vendor. Relatively large differences in strength, elongation, and reduction in area were observed between the welds with the strongest two welds (W4 and W2) exhibiting a nearly 20 % difference in 4 K ultimate tensile strength when compared to the welds with the lowest 4 K tensile strength (W1 and W3). As the testing temperature decreases from 77 K to 4 K, all welds exhibit an increase in yield strength, plus an attenuation in total elongation and reduction in area. Serrated yielding was observed at every test conducted at 4 K. The tensile properties reported in this work will be used during analysis of future fracture toughness (single edge notch bending) testing conducted at 77 K and 4 K on the same four sets of welded plates.
Document Citations
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Chicago
National Institute of Standards and Technology (NIST), Commerce Department. "Tensile Tests at 77 K and 4 K on 316l Stainless Steel Welded Plates". Government. Commerce Department, July 19, 2022. https://www.govinfo.gov/app/details/GOVPUB-C13-e5b31803f8739fb70fad7d4300d93551
APA
National Institute of Standards and Technology (NIST), Commerce Department. (2022, July 19). Tensile Tests at 77 K and 4 K on 316l Stainless Steel Welded Plates. [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-e5b31803f8739fb70fad7d4300d93551
MLA
National Institute of Standards and Technology (NIST), Commerce Department. Tensile Tests at 77 K and 4 K on 316l Stainless Steel Welded Plates. Commerce Department, (19 Jul 2022), https://www.govinfo.gov/app/details/GOVPUB-C13-e5b31803f8739fb70fad7d4300d93551
Bluebook
National Institute of Standards and Technology (NIST), Commerce Department, Tensile Tests at 77 K and 4 K on 316l Stainless Steel Welded Plates, GovInfo, (July 19, 2022), https://www.govinfo.gov/app/details/GOVPUB-C13-e5b31803f8739fb70fad7d4300d93551
