Evaluation of Temper Embrittlement of 30Cr2MoV Rotor Steels Using Electrochemical Impedance Spectroscopy Technique

Table 3

FATT₅₀-related parameters.

Sample	Measured FATT50	Impedance ()	P (%)	C (%)	Mn (%)	S (%)	Reduction (%)	Predicted value	Difference
A31	−70.9	0.07	0.019	0.24	0.62	0.001	72.2	−73.432	−2.532
A32	−54.1	0.09	0.019	0.24	0.62	0.001	71.33	−48.674	5.426
411	67.5	0.1	0.045	0.28	0.66	0.013	64.47	70.87	3.37
A21	82	0.09	0.065	0.28	0.68	0.012	60.3	94.862	12.862
412	95.6	0.12	0.045	0.28	0.66	0.013	62.33	94.866	−0.734
431	103.6	0.11	0.063	0.28	0.69	0.014	56.57	112.3	8.7
A22	127.1	0.11	0.065	0.28	0.68	0.012	52.57	115.504	−11.596
432	142.2	0.13	0.063	0.28	0.69	0.014	55.33	136.836	−5.364
421	198.7	0.11	0.107	0.3	0.69	0.014	52.8	199.99	1.29
422	211.7	0.12	0.107	0.3	0.69	0.014	54.17	213.452	1.752
441	235	0.13	0.204	0.3	0.69	0.015	46.65	229.632	−5.368
442	275.4	0.18	0.204	0.3	0.69	0.015	30.5	283.142	7.742