Exothermic Properties of the Basalts of Idaho State, USA
- Authors
- Lee, Eun-Seok; Lee, Young-June
- Issue Date
- Oct-2019
- Publisher
- Korean Institute of Electrical and Electronic Material Engineers
- Keywords
- Exothermic properties; Basalts in Idaho State; TG/DSC thermal analysis; Coating on a halogen lamp; Coating on a ceramic board
- Citation
- Transactions on Electrical and Electronic Materials, v.20, no.5, pp.411 - 416
- Journal Title
- Transactions on Electrical and Electronic Materials
- Volume
- 20
- Number
- 5
- Start Page
- 411
- End Page
- 416
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/26481
- DOI
- 10.1007/s42341-019-00117-7
- ISSN
- 1229-7607
- Abstract
- The exothermicity of the basalts (IDL-1, IDL-2 and IDL-3) from Idaho State were investigated. The densities of the three samples were in the range of 2.90-3.01 g/cm(3), and the residues of each sample after firing with a gas torch were in the range of 97.8-98.5%. The 1st and 2nd TG/DSC thermal analyses (25-900 degrees C) of IDL-1 showed that about 4% and 2% of some gas components were emitted. When coated on a halogen lamp (200 V, cooling fan OFF), the temperatures (426-441 degrees C, average value: 433 degrees C) of IDL-1, IDL-2 and IDL-3 were much higher than that (356 degrees C) of the AT binder. When coated on a ceramic board (IDL-1:binder = 7:3, V: 200 V, cooling fan OFF), the average temperature value (405 degrees C) of the six coated points was higher than that (369 degrees C) of the six blank points. In conclusion, a considerable amount of the basalt of Idaho State has exothermic property as does the basalt of Unbong-san (Unbong-seok).
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