Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends
Brazilian coking coal (Barro Branco seam) were used to produced several binary coal blends with traditional coking coals. The plastic properties of such blends were study by Gieseler plastometry in order to identify possible interactions between coals. The magnitude of the interactions was estimated...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2020-05-01
|
| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785419305800 |
| _version_ | 1831715423581634560 |
|---|---|
| author | Bruno Flores Anderson Agra Alessandro Gums Guilherme da Silva Eduardo Osório Antônio Vilela |
| author_facet | Bruno Flores Anderson Agra Alessandro Gums Guilherme da Silva Eduardo Osório Antônio Vilela |
| author_sort | Bruno Flores |
| collection | DOAJ |
| description | Brazilian coking coal (Barro Branco seam) were used to produced several binary coal blends with traditional coking coals. The plastic properties of such blends were study by Gieseler plastometry in order to identify possible interactions between coals. The magnitude of the interactions was estimated by the comparison of measured and predicted values of maximum fluidity and the temperatures that define the plastic range. Brazilian coal is characterized by an anomalous ultra-high fluidity and is an interesting plasticizing agent for coal blends. The results also revealed that the Brazilian coal has a positive synergy in terms of plasticity with other coking coals. This synergy results in blends with higher maximum fluidity and initial softening temperatures than expected by additivity. However, such interaction did not change the maximum fluidity and the resolidification temperatures. Positive interactions were linked to the transfer of a certain amount of liquid or volatile plasticizing material from Brazilian coal to other coals. |
| first_indexed | 2024-12-21T00:18:30Z |
| format | Article |
| id | doaj.art-02c92d317d23473e9d9b4ab90bf87ab0 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-12-21T00:18:30Z |
| publishDate | 2020-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-02c92d317d23473e9d9b4ab90bf87ab02022-12-21T19:22:09ZengElsevierJournal of Materials Research and Technology2238-78542020-05-019327372743Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blendsBruno Flores0Anderson Agra1Alessandro Gums2Guilherme da Silva3Eduardo Osório4Antônio Vilela5Federal University of Rio Grande do Sul (UFRGS), Iron and Steelmaking Laboratory (LaSid), PO Box 15021, 91501-970, Porto Alegre, Brazil; Corresponding author.Federal University of Rio Grande do Sul (UFRGS), Iron and Steelmaking Laboratory (LaSid), PO Box 15021, 91501-970, Porto Alegre, BrazilFederal University of Rio Grande do Sul (UFRGS), Iron and Steelmaking Laboratory (LaSid), PO Box 15021, 91501-970, Porto Alegre, BrazilThematic Network in Materials Engineering, UFOP, Praça Tiradentes, 20, 35400-000 Ouro Preto, BrazilFederal University of Rio Grande do Sul (UFRGS), Iron and Steelmaking Laboratory (LaSid), PO Box 15021, 91501-970, Porto Alegre, BrazilFederal University of Rio Grande do Sul (UFRGS), Iron and Steelmaking Laboratory (LaSid), PO Box 15021, 91501-970, Porto Alegre, BrazilBrazilian coking coal (Barro Branco seam) were used to produced several binary coal blends with traditional coking coals. The plastic properties of such blends were study by Gieseler plastometry in order to identify possible interactions between coals. The magnitude of the interactions was estimated by the comparison of measured and predicted values of maximum fluidity and the temperatures that define the plastic range. Brazilian coal is characterized by an anomalous ultra-high fluidity and is an interesting plasticizing agent for coal blends. The results also revealed that the Brazilian coal has a positive synergy in terms of plasticity with other coking coals. This synergy results in blends with higher maximum fluidity and initial softening temperatures than expected by additivity. However, such interaction did not change the maximum fluidity and the resolidification temperatures. Positive interactions were linked to the transfer of a certain amount of liquid or volatile plasticizing material from Brazilian coal to other coals.http://www.sciencedirect.com/science/article/pii/S2238785419305800Brazilian coalThermoplasticityFluidityCoal interaction |
| spellingShingle | Bruno Flores Anderson Agra Alessandro Gums Guilherme da Silva Eduardo Osório Antônio Vilela Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends Journal of Materials Research and Technology Brazilian coal Thermoplasticity Fluidity Coal interaction |
| title | Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends |
| title_full | Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends |
| title_fullStr | Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends |
| title_full_unstemmed | Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends |
| title_short | Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends |
| title_sort | thermoplastic interaction of ultra high fluidity brazilian coal with components of blends |
| topic | Brazilian coal Thermoplasticity Fluidity Coal interaction |
| url | http://www.sciencedirect.com/science/article/pii/S2238785419305800 |
| work_keys_str_mv | AT brunoflores thermoplasticinteractionofultrahighfluiditybraziliancoalwithcomponentsofblends AT andersonagra thermoplasticinteractionofultrahighfluiditybraziliancoalwithcomponentsofblends AT alessandrogums thermoplasticinteractionofultrahighfluiditybraziliancoalwithcomponentsofblends AT guilhermedasilva thermoplasticinteractionofultrahighfluiditybraziliancoalwithcomponentsofblends AT eduardoosorio thermoplasticinteractionofultrahighfluiditybraziliancoalwithcomponentsofblends AT antoniovilela thermoplasticinteractionofultrahighfluiditybraziliancoalwithcomponentsofblends |