EKHI

Materials

Curve 1

Wavelength μ: 1.2 Temperature Range, K: 1053-1573 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Polished with emery paper and lapped with jeweler's rouge; measured in vacuum; [Author's designation: Specimen A].

Temperature / K	Emittance /
1053.0	0.259
1123.0	0.258
1243.0	0.256
1253.0	0.255
1303.0	0.255
1353.0	0.253
1373.0	0.252
1443.0	0.252
1463.0	0.253
1573.0	0.254

Curve 2

Wavelength μ: 1.4 Temperature Range, K: 1063-1633 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1063.0	0.237
1163.0	0.237
1203.0	0.236
1263.0	0.236
1353.0	0.236
1393.0	0.235
1443.0	0.237
1483.0	0.238
1503.0	0.238
1553.0	0.239
1633.0	0.241

Curve 3

Wavelength μ: 1.6 Temperature Range, K: 1033-1623 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1033.0	0.224
1123.0	0.224
1203.0	0.224
1323.0	0.225
1383.0	0.226
1453.0	0.228
1553.0	0.231
1623.0	0.232

Curve 4

Wavelength μ: 1.8 Temperature Range, K: 1023-1573 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.212
1103.0	0.213
1143.0	0.214
1193.0	0.216
1288.0	0.217
1363.0	0.218
1413.0	0.22
1443.0	0.221
1473.0	0.226
1533.0	0.227
1573.0	0.228

Curve 5

Wavelength μ: 2.0 Temperature Range, K: 1003-1613 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1003.0	0.199
1093.0	0.201
1233.0	0.204
1348.0	0.206
1383.0	0.21
1423.0	0.211
1493.0	0.213
1553.0	0.214
1613.0	0.216

Curve 6

Wavelength μ: 2.2 Temperature Range, K: 1023-1623 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.19
1133.0	0.192
1193.0	0.195
1223.0	0.196
1293.0	0.198
1373.0	0.201
1443.0	0.204
1498.0	0.206
1553.0	0.208
1623.0	0.21

Curve 7

Wavelength μ: 2.4 Temperature Range, K: 1033-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1033.0	0.176
1083.0	0.178
1143.0	0.18
1163.0	0.18
1253.0	0.184
1273.0	0.184
1353.0	0.187
1413.0	0.189
1458.0	0.191
1478.0	0.193
1503.0	0.194
1518.0	0.194
1553.0	0.195
1573.0	0.196
1603.0	0.197
1643.0	0.199

Curve 8

Wavelength μ: 2.6 Temperature Range, K: 1163-1613 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1163.0	0.171
1173.0	0.171
1213.0	0.172
1283.0	0.176
1303.0	0.178
1383.0	0.18
1433.0	0.182
1473.0	0.185
1503.0	0.187
1523.0	0.187
1563.0	0.189
1613.0	0.191

Curve 9

Wavelength μ: 2.8 Temperature Range, K: 1163-1623 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1163.0	0.165
1233.0	0.167
1273.0	0.169
1298.0	0.171
1348.0	0.172
1398.0	0.174
1413.0	0.173
1448.0	0.177
1493.0	0.178
1533.0	0.179
1623.0	0.183

Curve 10

Wavelength μ: 3.0 Temperature Range, K: 1203-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1203.0	0.162
1338.0	0.167
1423.0	0.171
1488.0	0.173
1533.0	0.175
1588.0	0.177
1643.0	0.179

Curve 11

Wavelength μ: 1.2 Temperature Range, K: 1223-1623 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Polished with emery paper and lapped with jeweler's rouge; measured in vacuum; [Author's designation: Specimen B].

Temperature / K	Emittance /
1223.0	0.271
1263.0	0.269
1303.0	0.268
1338.0	0.268
1383.0	0.266
1408.0	0.265
1463.0	0.264
1513.0	0.264
1563.0	0.264
1623.0	0.265

Curve 12

Wavelength μ: 1.4 Temperature Range, K: 1233-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1233.0	0.255
1323.0	0.253
1363.0	0.252
1433.0	0.252
1543.0	0.255
1643.0	0.257

Curve 13

Wavelength μ: 1.6 Temperature Range, K: 1023-1633 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.245
1113.0	0.246
1273.0	0.247
1343.0	0.247
1463.0	0.25
1493.0	0.252
1533.0	0.251

Curve 14

Wavelength μ: 1.8 Temperature Range, K: 1008-1613 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1008	0.23
1113	0.231
1233	0.232
1313	0.233
1363	0.233
1433	0.235
1453	0.235
1503	0.237
1543	0.237
1613	0.238

Curve 15

Wavelength μ: 2.0 Temperature Range, K: 1098-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1098.0	0.222
1203.0	0.223
1283.0	0.224
1348.0	0.225
1383.0	0.226
1403.0	0.227
1453.0	0.229
1483.0	0.23
1543.0	0.231
1573.0	0.231

Curve 16

Wavelength μ: 2.2 Temperature Range, K: 1023-1623 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.209
1103.0	0.21
1203.0	0.212
1308.0	0.214
1373.0	0.215
1403.0	0.217
1433.0	0.221
1463.0	0.223
1493.0	0.223

Curve 17

Wavelength μ: 2.4 Temperature Range, K: 1073-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1073	0.2
1198	0.203
1298	0.205
1363	0.208
1403	0.208
1463	0.211
1503	0.212
1563	0.214
1303	0.215
1643	0.216

Curve 18

Wavelength μ: 2.6 Temperature Range, K: 1093-1613 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1093.0	0.187
1223.0	0.192
1308.0	0.192
1353.0	0.195
1413.0	0.196
1478.0	0.198
1523.0	0.2
1528.0	0.2
1563.0	0.201
1613.0	0.203

Curve 19

Wavelength μ: 2.8 Temperature Range, K: 1133-1588 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1113	0.185
1203	0.186
1298	0.19
1373	0.193
1433	0.195
1488	0.196
1538	0.2
1588	0.201

Curve 20

Wavelength μ: 3.0 Temperature Range, K: 1163-1553 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1163.0	0.181
1373.0	0.189
1433.0	0.192
1503.0	0.195
1553.0	0.197

Curve 21

Wavelength μ: 1.2 Temperature Range, K: 1113-1633 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Polished with emery paper and lapped with jeweler's rouge; measured in vacuum; [Author's designation: Specimen C].

Temperature / K	Emittance /
1113	0.269
1173	0.266
1263	0.265
1343	0.263
1363	0.263
1433	0.261
1468	0.26
1523	0.26
1633	0.261

Curve 22

Wavelength μ: 1.4 Temperature Range, K: 1063-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1063.0	0.249
1193.0	0.243
1303.0	0.247
1378.0	0.246
1463.0	0.246
1553.0	0.248
1643.0	0.25

Curve 23

Wavelength μ: 1.6 Temperature Range, K: 1033-1643 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1033.0	0.238
1163.0	0.239
1268.0	0.24
1313.0	0.241
1393.0	0.241
1423.0	0.241
1493.0	0.243
1548.0	0.245
1573.0	0.245
1643.0	0.245

Curve 24

Wavelength μ: 1.8 Temperature Range, K: 1103-1623 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1103.0	0.226
1148.0	0.226
1223.0	0.227
1293.0	0.228
1373.0	0.228
1403.0	0.228
1433.0	0.229
1503.0	0.23
1623.0	0.232

Curve 25

Wavelength μ: 2.0 Temperature Range, K: 1023-1553 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023	0.212
1143	0.213
1173	0.214
1248	0.214
1283	0.215
1353	0.216
1413	0.219
1453	0.221
1483	0.221
1553	0.223

Curve 26

Wavelength μ: 2.2 Temperature Range, K: 1023-1588 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023	0.194
1123	0.197
1183	0.197
1233	0.199
1313	0.2
1373	0.202
1423	0.204
1478	0.206
1523	0.206
1588	0.209

Curve 27

Wavelength μ: 2.4 Temperature Range, K: 1033-1573 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1.0	0.194
33.0	0.197
133.0	0.197
158.0	0.199
208.0	0.2
248.0	0.202
313.0	0.204
393.0	0.206
463.0	0.206
473.0	0.209
493.0	0.21
518.0	0.212

Curve 28

Wavelength μ: 2.6 Temperature Range, K: 1033-1633 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1033	0.186
1063	0.188
1193	0.192
1283	0.195
1353	0.197
1443	0.201
1473	0.204
1533	0.207
1573	0.208
1633	0.21

Curve 29

Wavelength μ: 2.8 Temperature Range, K: 1033-1558 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
33.0	0.177
93.0	0.179
63.0	0.182
33.0	0.185
93.0	0.187
63.0	0.19
43.0	0.194
13.0	0.197
58.0	0.198

Curve 30

Wavelength μ: 3.0 Temperature Range, K: 1103-1598 Geometry θ': ~0° Reported Error, %: 8 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
103.0	0.176
163.0	0.179
233.0	0.182
283.0	0.184
358.0	0.187
423.0	0.191
488.0	0.193
598.0	0.197

Curve 1

Wavelength μ: 1.2 Temperature Range, K: 1183-1563 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: 0.24 Fe, 0.11 Mg, 0.05 C, Ni balance; polished with emery paper and lapped with jeweler's rouge; measured in vacuum; [Author's designation: Specimen A].

Temperature / K	Emittance /
1183.0	0.283
1278.0	0.283
1283.0	0.282
1393.0	0.281
1488.0	0.281
1563.0	0.28

Curve 2

Wavelength μ: 1.4 Temperature Range, K: 1033-1583 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1033.0	0.258
1133.0	0.259
1143.0	0.259
1213.0	0.259
1303.0	0.26
1393.0	0.261
1463.0	0.261
1583.0	0.262

Curve 3

Wavelength μ: 1.6 Temperature Range, K: 1043-1523 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1043.0	0.238
1183.0	0.241
1253.0	0.242
1303.0	0.242
1303.0	0.243
1373.0	0.244
1523.0	0.246

Curve 4

Wavelength μ: 1.8 Temperature Range, K: 1143-1583 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1143.0	0.221
1173.0	0.221
1283.0	0.223
1363.0	0.224
1413.0	0.225
1463.0	0.226
1533.0	0.227
1583.0	0.228

Curve 5

Wavelength μ: 2.2 Temperature Range, K: 973-1553 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
973.0	0.191
1023.0	0.191
1113.0	0.193
1203.0	0.194
1293.0	0.195
1333.0	0.196
1413.0	0.197
1503.0	0.198
1553.0	0.199

Curve 6

Wavelength μ: 2.4 Temperature Range, K: 1013-1553 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1013.0	0.176
1128.0	0.178
1183.0	0.179
1243.0	0.181
1333.0	0.183
1403.0	0.184
1493.0	0.185
1553.0	0.187

Curve 7

Wavelength μ: 2.6 Temperature Range, K: 1003-1593 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1003.0	0.169
1053.0	0.17
1133.0	0.172
1193.0	0.173
1273.0	0.175
1363.0	0.177
1443.0	0.179
1523.0	0.18
1593.0	0.182

Curve 8

Wavelength μ: 2.75 Temperature Range, K: 1023-1553 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.165
1143.0	0.168
1223.0	0.171
1333.0	0.174
1453.0	0.177
1553.0	0.18

Curve 9

Wavelength μ: 3.0 Temperature Range, K: 1173-1533 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1173.0	0.164
1243.0	0.166
1333.0	0.169
1413.0	0.171
1453.0	0.172
1533.0	0.175

Curve 10

Wavelength μ: 1.2 Temperature Range, K: 1093-1523 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Different sample, same as above specimen and conditions; [Author's designation: Specimen B].

Temperature / K	Emittance /
1093.0	0.294
1198.0	0.294
1263.0	0.293
1298.0	0.294
1333.0	0.291
1343.0	0.291
1403.0	0.291
1523.0	0.289

Curve 11

Wavelength μ: 1.4 Temperature Range, K: 1193-1573 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1193.0	0.27
1203.0	0.269
1273.0	0.27
1328.0	0.27
1353.0	0.27
1373.0	0.271
1473.0	0.271
1573.0	0.271

Curve 12

Wavelength μ: 1.6 Temperature Range, K: 1023-1593 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.25
1163.0	0.251
1273.0	0.252
1383.0	0.253
1453.0	0.254
1523.0	0.254
1593.0	0.255

Curve 13

Wavelength μ: 1.8 Temperature Range, K: 1103-1573 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1103.0	0.224
1223.0	0.227
1353.0	0.227
1388.0	0.229
1443.0	0.229
1513.0	0.231

Curve 14

Wavelength μ: 2.0 Temperature Range, K: 1033-1573 Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1033.0	0.214
1143.0	0.216
1173.0	0.216
1248.0	0.217
1298.0	0.218
1343.0	0.219
1373.0	0.219
1423.0	0.22
1483.0	0.22
1523.0	0.221
1573.0	0.222

Curve 15

Wavelength μ: 2.2 Temperature Range, K: 1013-1553 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1013.0	0.198
1123.0	0.2
1213.0	0.202
1293.0	0.203
1343.0	0.205
1383.0	0.205
1443.0	0.206
1498.0	0.207
1553.0	0.208

Curve 16

Wavelength μ: 2.4 Temperature Range, K: 993-1548 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
993.0	0.186
1063.0	0.187
1143.0	0.188
1233.0	0.19
1293.0	0.192
1363.0	0.194
1438.0	0.194
1508.0	0.195
1548.0	0.196

Curve 17

Wavelength μ: 2.6 Temperature Range, K: 993-1573 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
993.0	0.172
1093.0	0.174
1173.0	0.177
1263.0	0.178
1353.0	0.18
1448.0	0.18
1453.0	0.18
1493.0	0.184
1573.0	0.186

Curve 18

Wavelength μ: 2.75 Temperature Range, K: 1023-1553 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1023.0	0.169
1123.0	0.17
1193.0	0.173
1273.0	0.175
1373.0	0.178
1393.0	0.178
1443.0	0.181
1553.0	0.181

Curve 19

Wavelength μ: 3.0 Temperature Range, K: 1163-1528 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
1163.0	0.168
1303.0	0.172
1403.0	0.175
1493.0	0.178
1528.0	0.18

Curve 20

Wavelength μ: 1.2 Temperature Range, K: 1103-1593 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Different sample, same as above specimen and conditions; [Author's designation: Specimen D].

Temperature / K	Emittance /
1103.0	0.302
1233.0	0.301
1283.0	0.3
1393.0	0.298
1503.0	0.296
1593.0	0.295

Curve 21

Wavelength μ: 1.4 Temperature Range, K: 993-1573 Geometry θ': ~0° Reported Error, %: 1/2 Composition (weight percent), Specifications and Remarks: Above specimen and conditions.

Temperature / K	Emittance /
993.0	0.272
1103.0	0.274
1193.0	0.272
1293.0	0.274
1373.0	0.275

The variation with temperature of the spectral emissivities of iron, nickel and cobalt