b'YS (MPa) YS (MPa) UE (%) TE (%)22C 710 730 1.2 10.3300C 605 637 1.6 9.4600C 273 290 1.4 47.1study [1]. A compliance correctionThe total elongation (TE) of theTable 1. Average yield strength (YS), was performed by applying a linear600C specimens was notably higherultimate tensile strength (UTS), uniform fit of the elastic section of the stress- (~47%) than both the 22 and 300Celongation (UE), and total elongation (TE) for axial tensile specimens tested strain curve and comparing this to aspecimens, which exhibited a similarat 22, 300, and 600 degrees Celsius known published value [2] and thenresponse (~10%). Average values ofat a constant strain rate of 10 -3 s-1. Two subtracting the calculated compliancethe YS, UTS, uniform elongation (UE),samples were tested at each condition.from the experimental data. and total elongation are shown in Representative engineering stressTable 1.strain curves of these test are shownReferences:in Figure 1. As typically expected, an[1.] T.J. Nizolek, B.P. Eftink, T.A. Saleh, increase in the testing temperatureAxial and Hoop Tensile Properties lead to a decrease in both the yieldof FeCrAl C26M2 Tubing.strength (YS) and ultimate tensile[2.] Z.T. Thompson, K.A. Terrani, Y. strength (UTS). The ultimate tensileYamamoto, Elastic Modulus Mea-strength was observed almostsurement of ORNL ATF FeCrAl immediately post-yielding for all testAlloys, ORNL/TM-2015/632. conditions, and thus the uniform(2015) 117.elongation is limited to 1.2-1.6%. 2020|AFC ACCOMPLISHMENTS 73'