Ceramics-silikaty最新文献

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BOTTOM ASH FROM MUNICIPAL SOLID WASTE INCINERATION AS A SUBGRADE GROUTING MATERIAL 城市生活垃圾焚烧底灰作为路基注浆材料
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-06-30 DOI: 10.13168/cs.2023.0024
Chuanyi Ma
{"title":"BOTTOM ASH FROM MUNICIPAL SOLID WASTE INCINERATION AS A SUBGRADE GROUTING MATERIAL","authors":"Chuanyi Ma","doi":"10.13168/cs.2023.0024","DOIUrl":"https://doi.org/10.13168/cs.2023.0024","url":null,"abstract":"","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72620945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INTERACTION ANALYSIS AND MECHANICAL PREDICTION MODEL OF COAL GANGUE-BASED GEOPOLYMER 煤矸石基地聚合物相互作用分析及力学预测模型
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-06-29 DOI: 10.13168/cs.2023.0022
Rui Wang
{"title":"INTERACTION ANALYSIS AND MECHANICAL PREDICTION MODEL OF COAL GANGUE-BASED GEOPOLYMER","authors":"Rui Wang","doi":"10.13168/cs.2023.0022","DOIUrl":"https://doi.org/10.13168/cs.2023.0022","url":null,"abstract":"","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77675103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE EFFECT OF WASTE GLASS SLUDGE USED AS CEMENT REPLACEMENT AND CRYSTALLISING ADMIXTURE ON THE PROPERTIES OF HARDENED CEMENT PASTE 废玻璃污泥作为水泥替代品和结晶掺合料对硬化水泥浆体性能的影响
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-05-26 DOI: 10.13168/cs.2023.0021
E. Pocius
{"title":"THE EFFECT OF WASTE GLASS SLUDGE USED AS CEMENT REPLACEMENT AND CRYSTALLISING ADMIXTURE ON THE PROPERTIES OF HARDENED CEMENT PASTE","authors":"E. Pocius","doi":"10.13168/cs.2023.0021","DOIUrl":"https://doi.org/10.13168/cs.2023.0021","url":null,"abstract":"Two different mix compositions were prepared to compare the effect of waste glass sludge, with and without a crystallising admixture, on the properties of fresh cement paste and hardened cement paste. In Composition 1 cement was replaced by different percentage of waste glass sludge: 0 %, 5 %, 10 %, 15 %, 20 %, 25 %, and 30 %. In Composition 2 the same cement content was used with the addition of the crystallising admixture added at 1 % by weight of the binder. The tests showed that the replacement of 20 % of cement with waste glass sludge improved the properties of hardened cement paste, but the properties of fresh cement paste deteriorated. The results of the tests with composition 2 containing the crystallising admixture showed that the crystallising admixture had a negligible effect on the properties of hardened stone, while the properties of fresh cement paste improved in comparison with the specimens without the crystallising admixture. The overall results showed that 20 % was the optimum amount of cement to be replaced with waste glass sludge and that crystallising admixture could be one of the solutions to improve the workability of the mixtures modified with waste glass sludge.","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74731648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECT OF PRE-IMPREGNATED CARBONIZED AGGREGATE ON CARBONIZATION RESISTANCE OF FULLY RECYCLED CONCRETE 预浸渍碳化骨料对全再生混凝土抗碳化性能的影响
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-05-15 DOI: 10.13168/cs.2023.0019
Yahong Ding
{"title":"EFFECT OF PRE-IMPREGNATED CARBONIZED AGGREGATE ON CARBONIZATION RESISTANCE OF FULLY RECYCLED CONCRETE","authors":"Yahong Ding","doi":"10.13168/cs.2023.0019","DOIUrl":"https://doi.org/10.13168/cs.2023.0019","url":null,"abstract":"In order to investigate the effect of treated recycled aggregates by pre-soaking calcium hydroxide (CH) combined with CO 2 curing on the carbonation resistance of fully recycled concrete. The carbonation depth of fully recycled concrete was tested at 3, 7, 14 and 28 days using the rapid carbonation method. The experimental results show that with the recycled aggregate replacement rate rising, the carbonation resistance of fully recycled concrete gradually decreases. CH pretreatment combined with CO 2 curing effectively improves the quality of the recycled aggregate, thereby improving the carbonation resistance of fully recycled concrete. The optimum effect of CO 2 curing on fully recycled concrete is achieved with the recycled fine aggregate replacement rate of 70 % and the recycled coarse aggregate replacement rate of 100 %. In addition, microscopic tests were used to reveal the enhancement mechanism of CH pretreatment combined with CO 2 curing increases the carbonation resistance of fully recycled concrete. Experimental data were used to fit and model the carbonation depth of fully recycled concrete formulated before and after CO 2 curing of recycled aggregates.","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86348210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
THE INFLUENCE OF Cu, Ca AND Zn ON THE PROPERTIES OF METAPHOSPHATE GLASSES 铜、钙、锌对偏磷酸盐玻璃性能的影响
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-05-15 DOI: 10.13168/cs.2023.0020
Simona Brázdová
{"title":"THE INFLUENCE OF Cu, Ca AND Zn ON THE PROPERTIES OF METAPHOSPHATE GLASSES","authors":"Simona Brázdová","doi":"10.13168/cs.2023.0020","DOIUrl":"https://doi.org/10.13168/cs.2023.0020","url":null,"abstract":"Metaphosphate glasses ZnaCu (1-a) (PO 3 ) 2 and Ca b Cu (1-b) (PO 3 ) 2 were prepared with the aim of studying the effect of different cations on solubility in water, on volume homogeneity and on the thickness of the surface layer. The relative ionicity of the Me-O(-P) bond (Me = Zn, Ca, and Cu) was determined using relative polarizability obtained by analyzing the Raman spectra. It was determined that the relative ionicity, i.e. the polarity of the bond, increases from the Cu donor-acceptor bond through the relatively covalently bound Ca to the significantly polar Zn bond. Compared to copper, both zinc and calcium reduce the compactness of the glass structure, of course to a different extent, and thus affect the coefficient of thermal expansion as well as the glass transition temperature. As can be expected, both from the relative ionicity and the effect on the compactness of the structure, the greatly increased solubility of glasses in water when replacing copper with calcium or zinc confirmed the reality of the conclusions about their influence on the properties of glasses. By dissolving glasses in water, the thicknesses of the surface layers were determined, which increases significantly from copper to calcium to zinc. Furthermore, phase segregation in the glass volume was identified.","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81699215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
EFFECT OF ULTRAFINE SLAG POWDER ON THE RHEOLOGICAL BEHAVIOUR, COMPRESSIVE STRENGTH, AND MICROSTRUCTURE OF ULTRA-HIGH PERFORMANCE CONCRETE 超细矿渣粉对超高性能混凝土流变特性、抗压强度和微观结构的影响
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-04-06 DOI: 10.13168/cs.2023.0017
Congqi Luan
{"title":"EFFECT OF ULTRAFINE SLAG POWDER ON THE RHEOLOGICAL BEHAVIOUR, COMPRESSIVE STRENGTH, AND MICROSTRUCTURE OF ULTRA-HIGH PERFORMANCE CONCRETE","authors":"Congqi Luan","doi":"10.13168/cs.2023.0017","DOIUrl":"https://doi.org/10.13168/cs.2023.0017","url":null,"abstract":"The effect of the addition of ultrafine slag powder (USL) on the rheology, strength, and porosity of Ultra-High Performance Concrete (UHPC) was investigated, whose microstructure was analysed by XRD, NMR, XPS, and SEM. The results show that whether the USL was incorporated or not, the paste keeps its original shear thickening behaviour. However, the yield stress first increased and then decreased with the addition of the USL content. The change in the compressive strength of the UHPC kept close to that of the yield stress. Incorporating 20 % USL, the UHPC reached a maximum compressive strength of 147.8 MPa, which was increased by 12.2 % compared to the reference sample, and its porosity was 6.72 %, which was decreased by 14% compared to the reference sample. In addition to the formation of more C–S–H gels, the pozzolanic reaction of USL increased the chain length of C-S-H and the binding energy of Ca2p, Si2p, O1s, and Al2p. Furthermore, it reduced the Al/Si ratio and Ca2P-Si2P value, making the paste microstructure more compact.","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85526009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECT OF THE IRON OXIDE CONTENT ON THE STRUCTURE AND ALKALI RESISTANCE OF GLASS FIBRES PREPARED FROM RED MUD 氧化铁含量对赤泥制玻璃纤维结构和耐碱性能的影响
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-04-06 DOI: 10.13168/cs.2023.0018
Cheng Zisheng
{"title":"EFFECT OF THE IRON OXIDE CONTENT ON THE STRUCTURE AND ALKALI RESISTANCE OF GLASS FIBRES PREPARED FROM RED MUD","authors":"Cheng Zisheng","doi":"10.13168/cs.2023.0018","DOIUrl":"https://doi.org/10.13168/cs.2023.0018","url":null,"abstract":"","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72512232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PREPARATION AND FERROELECTRIC PROPERTIES OF STRONTIUM-DOPED HYDROXYAPATITE CERAMICS 掺锶羟基磷灰石陶瓷的制备及其铁电性能
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-04-05 DOI: 10.13168/cs.2023.0016
Hongquan Zhang
{"title":"PREPARATION AND FERROELECTRIC PROPERTIES OF STRONTIUM-DOPED HYDROXYAPATITE CERAMICS","authors":"Hongquan Zhang","doi":"10.13168/cs.2023.0016","DOIUrl":"https://doi.org/10.13168/cs.2023.0016","url":null,"abstract":"Strontium-doped hydroxyapatite ceramics with good ferroelectric properties were prepared using 5 % bioactive phosphate glass as an additive at 700 °C in this paper. XRD, FTIR, SEM analyses and a ferroelectric tester were used to analyse the crystal structure, phase composition, microstructure and ferroelectric properties of the prepared ceramics. The results revealed that substitution of Ca 2+ by Sr 2+ in the HA lattice would lead to an increase in its lattice parameters and a decrease in crystallinity. Moreover, the lattice distortion and the increase in the electric dipole moment caused by the Sr 2+ doping enhanced the ferroelectric properties of the Sr-HA ceramics. Increasing the density of the samples could enhance their ferroelectric properties. The remnant polarisation intensity increased from 0.0156 μC∙cm-2 to 0.0728 μC∙cm-2, the maximum polarisation intensity increased from 0.1210 μC∙cm -2 to 0.1628 μC∙cm -2 .","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78044280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
HYDRATION AND EARLY MECHANICAL PERFORMANCE OF BELITE SULFOALUMINATE CEMENT CONTAINING MgAl₂O₄ FROM SOLID WASTE 含硫酸镁固废白石硫铝酸盐水泥的水化及早期力学性能
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-04-05 DOI: 10.13168/cs.2023.0014
Zengyao Wang
{"title":"HYDRATION AND EARLY MECHANICAL PERFORMANCE OF BELITE SULFOALUMINATE CEMENT CONTAINING MgAl₂O₄ FROM SOLID WASTE","authors":"Zengyao Wang","doi":"10.13168/cs.2023.0014","DOIUrl":"https://doi.org/10.13168/cs.2023.0014","url":null,"abstract":"This study dealt with the use of gold tailings, red mud, bauxite, desulfurised gypsum and high magnesium limestone as the raw materials in the production of a belite sulfoaluminate cement clinker containing MgAl 2 O 4 . The hydration and early mechanical properties of this cement were characterised by isothermal calorimetry, a mechanical test, X-ray diffraction and a thermal analysis. The results showed that the optimal calcination temperature to obtain a satisfactory clinker strength was 1350 ℃ and the corresponding 1, 3 and 7-day strengths were 27.7, 45.8 and 54.3 MPa, respectively. The initial and final setting times of the cements range between 20 and 31 minutes. The cements had the characteristics of rapid hardening and the main hydration products were AFt, AFm and AH 3 . The total hydration heat release of this cement within the first 50 hours was only 158 J · g -1 , which could effectively avoid the generation of internal cracks in the cement and has the potential to be applied to large concrete projects. Furthermore, the MgAl 2 O 4 mineral phase was inert in the belite sulfoaluminate cement and did not participate in the hydration reaction, which eliminates the disadvantage of MgO in the cement systems and potentially increases the use of high magnesium limestone in cement production.","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87877247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RESPONSE SURFACE METHOD TO OPTIMISE CONCRETE STEAMING PROCESS PARAMETERS 响应面法优化混凝土蒸制工艺参数
IF 0.9 4区 材料科学
Ceramics-silikaty Pub Date : 2023-04-05 DOI: 10.13168/cs.2023.0012
Landi Zheng
{"title":"RESPONSE SURFACE METHOD TO OPTIMISE CONCRETE STEAMING PROCESS PARAMETERS","authors":"Landi Zheng","doi":"10.13168/cs.2023.0012","DOIUrl":"https://doi.org/10.13168/cs.2023.0012","url":null,"abstract":"","PeriodicalId":9857,"journal":{"name":"Ceramics-silikaty","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73011157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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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