Temperature variation of total hemispherical emissivity of stainless steel AISI 304

C. R. Roger; S. H. Yen; K. G. Ramanathan

doi:10.1364/JOSA.69.001384

Journal of the Optical Society of America
Vol. 69,
Issue 10,
pp. 1384-1390
(1979)
•https://doi.org/10.1364/JOSA.69.001384

Temperature variation of total hemispherical emissivity of stainless steel AISI 304

C. R. Roger, S. H. Yen, and K. G. Ramanathan

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C. R. Roger, S. H. Yen, and K. G. Ramanathan, "Temperature variation of total hemispherical emissivity of stainless steel AISI 304," J. Opt. Soc. Am. 69, 1384-1390 (1979)

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Abstract

Numerical values of the total hemispherical emissivities ∊_h of a mechanically polished surface and an electropolished surface of a sample of stainless steel, type AISI 304, have been determined experimentally for the first time in the temperature range 340–1100 K. An absolute method incorporating the transient calorimetric principle was used in these measurements. It is found that the ∊_h values obtained are only very slightly different from those predicted by a classical expression for total hemispherical emissivity developed by Davisson and Weeks.

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Relaxation parameter a	k parameters defined by Eq. (2)
Relaxation parameter a	k₁	k₂	k₃	k₄
0.00	0.766	0.309	0.0889	−0.0175
0.06	0.693	0.280	0.0678	−0.0050
0.12	0.618	0.252	0.0521	+0.0052
0.18	0.554	0.225	0.0432	+0.0122
0.24	0.501	0.208	0.0377	+0.0173
0.30	0.462	0.196	0.0328	+0.0209
0.36	0.431	0.187	0.0285	0.0242
0.42	0.408	0.179	0.0249	0.0270
0.48	0.389	0.174	0.0217	0.0295
0.54	0.373	0.169	0.0193	0.0320
0.60	0.359	0.166	0.0175	0.0341
0.66	0.346	0.162	0.0159	0.0363
0.72	0.334	0.160	0.0146	0.0381
0.78	0.322	0.158	0.0137	0.0400
0.84	0.310	0.1561	0.0126	0.0417
0.90	0.300	0.155	0.0119	0.0434
0.96	0.288	0.153	0.0112	0.0450
1.02	0.278	0.152	0.0105	0.0468
1.08	0.269	0.151	0.0101	0.0484
1.14	0.260	0.151	0.0096	0.0498
1.20	0.252	0.150	0.0091	0.0513
1.26	0.246	0.149	0.0088	0.0526
1.32	0.241	0.149	0.0084	0.0539
1.38	0.237	0.149	0.0080	0.0550
1.44	0.234	0.148	0.0078	0.0560
1.50	0.232	0.148	0.0076	0.0570

Temp (K)	ρ Ω-Cm	C_p^a (cal/gK)	∊_h (%)
			Experimental		Theoretical
			rf coil^b runs 1 and 6	e gun run 2	Eq. (1)	Eq. (2)a = 0.024
340	77.41	0.1154	10.43	10.19	10.76	10.40
380	80.47	0.1177	11.10	11.15	11.50	11.12
420	83.53	0.1199	11.77	11.99	12.21	11.81
460	86.59	0.1220	12.39	12.72	12.91	12.49
500	89.66	0.1240	13.02	13.34	13.58	13.14
540	92.72	0.1259	13.59	13.85	14.24	13.79
580	95.54	0.1277	14.16	14.17	14.86	14.40
620	98.00	0.1295	14.69	14.47	15.45	14.98
660	100.25	0.1312	15.21	14.76	16.01	15.53
700	102.30	0.1327	15.71	15.06	16.54	16.05
740	104.14	0.1342	16.17	15.55	17.05	16.55
780	105.78	0.1356	16.65	16.34	17.53	17.03
820	107.21	0.1370	17.09	17.28	17.99	17.49
860	108.44	0.1382	17.56	18.40	18.42	17.92
900	109.45	0.1393	17.91	19.68	18.83	18.33
940	110.27	0.1404	18.29	21.12	19.21	18.71
980	110.87	0.1414	18.66	22.74	19.57	19.08
1020	111.27	0.1422	19.00	24.51	19.91	19.42
1060	111.47	0.1430	19.32	26.46	20.22	19.74
1100	111.46	0.1438	19.63	28.56	20.51	20.04

Trade name	Constituent elements (%)^a
Trade name	C	Mn	Si	P	S	Cr	Ni	Ti	Fe
AISI 304	0.08	2	1	0.04	0.03	18	8	—	Balance
AISI 321	0.08	2	1	0.04	0.03	17	9	Traces	Balance
AISI 430^b	0.12	1	1	0.04	0.03	14	—	—	Ferritic base
Steel Khl8N9T	0.12	2	0.8	0.035	0.03	17–20	8–11	0.8	Balance
Steel mark 1 × 18 N9T	0.12	2	0.8	0.035	0.03	17–20	8–11	0.8	Balance

Relaxation parameter a	k parameters defined by Eq. (2)
Relaxation parameter a	k₁	k₂	k₃	k₄
0.00	0.766	0.309	0.0889	−0.0175
0.06	0.693	0.280	0.0678	−0.0050
0.12	0.618	0.252	0.0521	+0.0052
0.18	0.554	0.225	0.0432	+0.0122
0.24	0.501	0.208	0.0377	+0.0173
0.30	0.462	0.196	0.0328	+0.0209
0.36	0.431	0.187	0.0285	0.0242
0.42	0.408	0.179	0.0249	0.0270
0.48	0.389	0.174	0.0217	0.0295
0.54	0.373	0.169	0.0193	0.0320
0.60	0.359	0.166	0.0175	0.0341
0.66	0.346	0.162	0.0159	0.0363
0.72	0.334	0.160	0.0146	0.0381
0.78	0.322	0.158	0.0137	0.0400
0.84	0.310	0.1561	0.0126	0.0417
0.90	0.300	0.155	0.0119	0.0434
0.96	0.288	0.153	0.0112	0.0450
1.02	0.278	0.152	0.0105	0.0468
1.08	0.269	0.151	0.0101	0.0484
1.14	0.260	0.151	0.0096	0.0498
1.20	0.252	0.150	0.0091	0.0513
1.26	0.246	0.149	0.0088	0.0526
1.32	0.241	0.149	0.0084	0.0539
1.38	0.237	0.149	0.0080	0.0550
1.44	0.234	0.148	0.0078	0.0560
1.50	0.232	0.148	0.0076	0.0570

Temp (K)	ρ Ω-Cm	C_p^a (cal/gK)	∊_h (%)
			Experimental		Theoretical
			rf coil^b runs 1 and 6	e gun run 2	Eq. (1)	Eq. (2)a = 0.024
340	77.41	0.1154	10.43	10.19	10.76	10.40
380	80.47	0.1177	11.10	11.15	11.50	11.12
420	83.53	0.1199	11.77	11.99	12.21	11.81
460	86.59	0.1220	12.39	12.72	12.91	12.49
500	89.66	0.1240	13.02	13.34	13.58	13.14
540	92.72	0.1259	13.59	13.85	14.24	13.79
580	95.54	0.1277	14.16	14.17	14.86	14.40
620	98.00	0.1295	14.69	14.47	15.45	14.98
660	100.25	0.1312	15.21	14.76	16.01	15.53
700	102.30	0.1327	15.71	15.06	16.54	16.05
740	104.14	0.1342	16.17	15.55	17.05	16.55
780	105.78	0.1356	16.65	16.34	17.53	17.03
820	107.21	0.1370	17.09	17.28	17.99	17.49
860	108.44	0.1382	17.56	18.40	18.42	17.92
900	109.45	0.1393	17.91	19.68	18.83	18.33
940	110.27	0.1404	18.29	21.12	19.21	18.71
980	110.87	0.1414	18.66	22.74	19.57	19.08
1020	111.27	0.1422	19.00	24.51	19.91	19.42
1060	111.47	0.1430	19.32	26.46	20.22	19.74
1100	111.46	0.1438	19.63	28.56	20.51	20.04

Abstract

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Journal of the Optical Society of America