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Evaluation of the influence of sodium and magnesium lignosulfonates on the hydration kinetics of cementitious paste 木质素磺酸钠和镁对胶凝体水化动力学影响的评价
Cerâmica Pub Date : 2022-09-01 DOI: 10.1590/0366-69132022683873268
I. F. Torres, S. M. Torres
{"title":"Evaluation of the influence of sodium and magnesium lignosulfonates on the hydration kinetics of cementitious paste","authors":"I. F. Torres, S. M. Torres","doi":"10.1590/0366-69132022683873268","DOIUrl":"https://doi.org/10.1590/0366-69132022683873268","url":null,"abstract":"Motivated by their low cost, lignosulfonate-based water reducers are the most used type of admixture in the concrete industry worldwide. Due to the plurality of types of lignosulfonates (LSs) and the recent update to the Brazilian standard for admixtures for concrete, the objective of this work was to investigate the impact of sodium (Na-LS) and magnesium (Mg-LS) lignosulfonates, raw materials present in the Brazilian market, in pastes and concretes produced with cement type CP II F 40 under different dosages (0.40% and 0.80%). For this, the following tests were performed: adsorption curves, isothermal calorimetry, microanalytical tests (TGA/DTG and DRX), and application in the concrete according to NBR 11768-1 standard. The results showed different hydration evolutions among the pastes produced with these lignosulfonates. As a consequence, despite the similarity in water reduction, it was verified that Mg-LS was more suitable for RA1-R (water reducer-retarder, setting time 120-360 min), while Na-LS was more suitable for RA1 (water reducer, setting time 30-160 min).","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67185509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Manufacturing and characterization of sustainable macroporous glass foams 可持续大孔泡沫玻璃的制备与表征
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863271
S. Silva, F. P. D. Costa, J. V. Fernandes, J. B. D. C. A. D. Melo, R. Menezes, G. A. Neves, A. M. Rodrigues
{"title":"Manufacturing and characterization of sustainable macroporous glass foams","authors":"S. Silva, F. P. D. Costa, J. V. Fernandes, J. B. D. C. A. D. Melo, R. Menezes, G. A. Neves, A. M. Rodrigues","doi":"10.1590/0366-69132022683863271","DOIUrl":"https://doi.org/10.1590/0366-69132022683863271","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47880035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Synthesis and characterization of α-SnWO4 powders obtained by microwave-assisted hydrothermal method 微波辅助水热法制备α-SnWO4粉体的合成与表征
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863259
M. M. Barros, K. Almeida, S. A. Silva, G. Botelho
{"title":"Synthesis and characterization of α-SnWO4 powders obtained by microwave-assisted hydrothermal method","authors":"M. M. Barros, K. Almeida, S. A. Silva, G. Botelho","doi":"10.1590/0366-69132022683863259","DOIUrl":"https://doi.org/10.1590/0366-69132022683863259","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67185503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Effects of plaster to water ratio on physical and mechanical properties of ceramic pieces produced by the slip casting process 灰水比对滑移铸造陶瓷件物理力学性能的影响
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863221
L. Palhares, D. F. Galvão, P. R. P. Paiva
{"title":"Effects of plaster to water ratio on physical and mechanical properties of ceramic pieces produced by the slip casting process","authors":"L. Palhares, D. F. Galvão, P. R. P. Paiva","doi":"10.1590/0366-69132022683863221","DOIUrl":"https://doi.org/10.1590/0366-69132022683863221","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67184721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterogeneous Fenton-like catalytic degradation of phenazine dye over CeO2 (CP-2) nanoscale powder CeO2 (CP-2)纳米粉体上非均相fenton类催化降解吩那嗪染料的研究
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863228
E. Abdelkader
{"title":"Heterogeneous Fenton-like catalytic degradation of phenazine dye over CeO2 (CP-2) nanoscale powder","authors":"E. Abdelkader","doi":"10.1590/0366-69132022683863228","DOIUrl":"https://doi.org/10.1590/0366-69132022683863228","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"42 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67185375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Easily applicable protocol to formulate inks for extrusion-based 3D printing 易于适用的协议，以制定油墨挤出为基础的3D打印
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863225
W. Tong, W. Q. Jaw, L. Pothunuri, E. Soh, H. Ferrand
{"title":"Easily applicable protocol to formulate inks for extrusion-based 3D printing","authors":"W. Tong, W. Q. Jaw, L. Pothunuri, E. Soh, H. Ferrand","doi":"10.1590/0366-69132022683863225","DOIUrl":"https://doi.org/10.1590/0366-69132022683863225","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67185322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructure and diametral fracture strength of spark plasma sintered WC-6Co-0.2B and WC-6Co-0.5B ceramic composites from nanosized and metastable WC powders 纳米级和亚稳态WC粉末火花等离子烧结WC- 6co -0.2 b和WC- 6co -0.5 b陶瓷复合材料的显微组织和断裂强度
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863210
G. S. D. A. E. Silva, R. M. Leal Neto, M. Filgueira, C. Baptista, C. Santos, A. S. Ramos
{"title":"Microstructure and diametral fracture strength of spark plasma sintered WC-6Co-0.2B and WC-6Co-0.5B ceramic composites from nanosized and metastable WC powders","authors":"G. S. D. A. E. Silva, R. M. Leal Neto, M. Filgueira, C. Baptista, C. Santos, A. S. Ramos","doi":"10.1590/0366-69132022683863210","DOIUrl":"https://doi.org/10.1590/0366-69132022683863210","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67184924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methodology for evaluation of the influence of roughness and capillary absorption of ceramic blocks on the render’s tensile bond strength 陶瓷块的粗糙度和毛细吸收对渲染的拉伸粘结强度影响的评价方法
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863202
P. Valentini, M. Lunardi, C. W. Menegotto, C. S. Kazmierczak, M. P. Kulakowski
{"title":"Methodology for evaluation of the influence of roughness and capillary absorption of ceramic blocks on the render’s tensile bond strength","authors":"P. Valentini, M. Lunardi, C. W. Menegotto, C. S. Kazmierczak, M. P. Kulakowski","doi":"10.1590/0366-69132022683863202","DOIUrl":"https://doi.org/10.1590/0366-69132022683863202","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48128867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Analysis of dielectric and electrical transport properties of NdFeAsO ceramic NdFeAsO陶瓷介电输运特性分析
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863168
G. K. Mishra, N. K. Mohanty, B. Behera
{"title":"Analysis of dielectric and electrical transport properties of NdFeAsO ceramic","authors":"G. K. Mishra, N. K. Mohanty, B. Behera","doi":"10.1590/0366-69132022683863168","DOIUrl":"https://doi.org/10.1590/0366-69132022683863168","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"61 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67185155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Evaluation of the self-healing capacity of ceramics produced with alumina and silicon carbide 氧化铝和碳化硅制备陶瓷的自愈能力评价
Cerâmica Pub Date : 2022-06-01 DOI: 10.1590/0366-69132022683863198
N. R. D. Souza, P. R. P. Paiva
{"title":"Evaluation of the self-healing capacity of ceramics produced with alumina and silicon carbide","authors":"N. R. D. Souza, P. R. P. Paiva","doi":"10.1590/0366-69132022683863198","DOIUrl":"https://doi.org/10.1590/0366-69132022683863198","url":null,"abstract":"","PeriodicalId":9824,"journal":{"name":"Cerâmica","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67184841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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