Thermomechanical Model and Bursting Tests to Evaluate the Risk of Swelling and Bursting of Modified 9Cr-1Mo Steel Steam Generator Tubes during a Sodium-Water Reaction Accident

Table 3

Experimental results of SQUAT tests.

SQUAT test	Pressure (bar)	Target temperature (°C)	Bursting time measured (s)	Breaking elongation (%)	Strain rate (%/s)
9	70	1050	390	23	0.06
10	70	1050	401	15	0.04
7	70	1100	187	18	0.10
8	70	1200	42	20	0.48
1	70	1280	10.2	3	0.29
2	170	850	>2150	—	—
3	170	900	460	35	0.08
4	170	950	111	26	0.23
5	170	1000	39	20	0.51
6	170	1050	19.5	12	0.62