Effect of Heat Treatment On Chambersite Crystal Structure and Morphology
Bibliographic record
Abstract
Research Article| May 30, 2018 Effect of Heat Treatment On Chambersite Crystal Structure and Morphology Pengfei Wang; Pengfei Wang Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Search for other works by this author on: GSW Google Scholar Jianfeng Sun; Jianfeng Sun Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Search for other works by this author on: GSW Google Scholar Qingguo Tang; Qingguo Tang § Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China § Corresponding author e-mail address: qingguo_tang@163.com Search for other works by this author on: GSW Google Scholar Shuang Yang; Shuang Yang Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Search for other works by this author on: GSW Google Scholar Zishuai Xu; Zishuai Xu Institute of Power Source & Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China Search for other works by this author on: GSW Google Scholar Xiaozhan Mu Xiaozhan Mu Institute of Power Source & Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China Search for other works by this author on: GSW Google Scholar Author and Article Information Pengfei Wang Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Jianfeng Sun Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Qingguo Tang § Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Shuang Yang Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China Zishuai Xu Institute of Power Source & Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China Xiaozhan Mu Institute of Power Source & Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China § Corresponding author e-mail address: qingguo_tang@163.com Publisher: Mineralogical Association of Canada First Online: 16 Jul 2018 Online Issn: 1499-1276 Print Issn: 0008-4476 © 2018 Mineralogical Association of Canada The Canadian Mineralogist (2018) 56 (3): 223–233. https://doi.org/10.3749/canmin.1700072 Article history First Online: 16 Jul 2018 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Pengfei Wang, Jianfeng Sun, Qingguo Tang, Shuang Yang, Zishuai Xu, Xiaozhan Mu; Effect of Heat Treatment On Chambersite Crystal Structure and Morphology. The Canadian Mineralogist 2018;; 56 (3): 223–233. doi: https://doi.org/10.3749/canmin.1700072 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyThe Canadian Mineralogist Search Advanced Search Abstract The crystal structure, micro morphology, and surface functional groups of chambersite from Jixian, Tianjin Province (China), were studied during the process of heating. In situ high-temperature X-ray diffraction, conventional X-ray diffraction, thermal analysis, Fourier transform infrared spectroscopy, and scanning electron microscopy were used to determine the effects of different heating temperatures on the structure, morphology, and composition of the samples. The results showed that chambersite phase transformation from the orthorhombic system to the cubic system occurred at 408–410 °C. At 900 °C chambersite was partially decomposed to form new crystals such as manganese metaborate [Mn(BO2)2] and iron oxoborate (Fe3BO6); the manganese metaborate further decomposed into manganese oxide and boric acid at 1000 °C. Chambersite generated a large number of columnar crystals at 900 °C. The recrystallization of chambersite was facilitated by a furnace-controlled cooling process at 900–1050 °C, allowing sufficient energy and time. The present study reflects the thermal reaction of chambersite, which could be applied in microwave absorbing and neutron shielding ceramic materials. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".