Journal of the Australian Ceramic Society最新文献

{"title":"Structural, mechanical and antibacterial properties of Mg2Sio4-clay based nanoparticles for biomedical application","authors":"Nur Nasyita Binti Kamaruddin, Syed Bahari Ramadzan Syed Adnan, Zainal Abidin Ali, Gopinath Venkatraman, Maryam Mohammed Mashghan","doi":"10.1007/s41779-024-01080-0","DOIUrl":"https://doi.org/10.1007/s41779-024-01080-0","url":null,"abstract":"<p>Clay based Forsterite (Mg₂SiO₄-clay based) was synthesized using Halloysite nanotube clay via sol-gel method. The resultant materials were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), Fourier transform infrared spectroscopy (FTIR), particle size analysis (PSA), and hardness analysis. The formation of Mg₂SiO₄-clay based nanoparticles was confirmed using X-ray diffraction and Fourier-transform infrared analysis. Mg₂SiO₄-clay based nanoparticles were treated at different high temperatures which are from 850 °C to 1050 °C. It was revealed that crystalline Mg₂SiO₄-clay based was formed at the lowest temperature (850 °C) and the different temperatures do not significantly affect the FTIR peaks. Moreover, the hardness and fracture toughness of Mg₂SiO₄-clay based was found to be higher than synth-Mg₂SiO_4, which are 1.03 ± 0.07 GPa and 5.7 ± 0.21 MPa m^1/2, respectively. It was also found that the fracture toughness of Mg₂SiO₄-clay based was higher than a few types of cortical bones and synthetic Hydroxyapatite. Other than that, Mg₂SiO₄-clay based displayed remarkable antibacterial properties which is critical criteria for implant materials. These findings suggest that the Mg₂SiO₄-clay based possesses good structural, mechanical, and antibacterial properties and might be suitable for potential bioimplant materials.</p>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"108 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142177478","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}

{"title":"Thermodynamic research of the reaction mechanism for TiB2 synthesized by carbothermal reduction","authors":"Xingguo Wang,&nbsp;Xin Li,&nbsp;Bin Chen,&nbsp;Jian Tang,&nbsp;Shilun Chang,&nbsp;Chen Xu","doi":"10.1007/s41779-024-01074-y","DOIUrl":"10.1007/s41779-024-01074-y","url":null,"abstract":"<div><p>The reaction mechanism of TiB₂ synthesized by carbothermal reduction is unclear due to a lack of thermodynamic research. In this work, the phase diagrams of TiO₂-B₂O₃-C system were analyzed at a large temperature range (900–1800 °C), illustrating that Ti₄O₇, Ti₃O₅, and TiC were the main intermediate products. According to the Gibbs free energy minimum principle, the synthesis pathways of the main intermediate products and the target product TiB₂ were discussed, respectively. Based on the thermodynamic research, the reaction mechanism of TiO₂-B₂O₃-C system was proposed and verified by experimental research at 900–1500 °C. X-ray-pure TiB₂ powder was synthesized at 1500 °C for 30 min and the possible reaction mechanism could be divided into three stages: TiO₂(anatase)→TiO₂(rutile)→Ti₃O₅, TiC →TiB₂.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1669 - 1678"},"PeriodicalIF":1.8,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142177479","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}

{"title":"Mechanical properties and microstructure evolutions of alkali-activated slag materials subjected to centrifugation with different rotation rates","authors":"Yue Li,&nbsp;Jiale Shen,&nbsp;Hui Lin","doi":"10.1007/s41779-024-01078-8","DOIUrl":"10.1007/s41779-024-01078-8","url":null,"abstract":"<div><p>This paper studies the effect of centrifugation rotation rate on the compressive strength and microstructure of alkali-activated slag (AAS) paste. The results indicate that the compressive strength gradually improves with increase in centrifugation rotation rate and the maximum compressive strength is 71.8 MPa at 5000 rpm with increasing amplitude of 133.8% compared to the AAS paste without centrifugation. The flower clusters gels of C(N)-A-S-H including large proportion of N-A-S-H appear in the AAS paste with centrifugation rotation rates of 0 r/min. The layered gels mainly including the hydrotalcite phase and C(N)-A-S-H are found under the centrifugation rotation rates of 1000 r/min. The globule gels of C-A-S-H including small proportion of N-A-S-H appear in the AAS paste with centrifugation rotation rates of 3000 r/min and 5000 r/min. The more generation of large size globule gels of C-A-S-H is conducive to improving compressive strength of AAS paste. Furthermore, the increase in centrifugation rotation rate promotes the reaction of slag and generation of gel products, and improves the polymerization and cross-linking degree of gel products, causing the lower porosity and higher bulk density, eventually leading to the enhancement of compressive strength.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"61 2","pages":"485 - 499"},"PeriodicalIF":1.8,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142177481","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}

{"title":"Experimental investigation on tribological behavior of titanium nitride-coated 316 L stainless steel under simulated body fluid","authors":"R. Gopi,&nbsp;I. Saravanan,&nbsp;A. Devaraju,&nbsp;M. Karthikeyan","doi":"10.1007/s41779-024-01075-x","DOIUrl":"10.1007/s41779-024-01075-x","url":null,"abstract":"<div><p>The present study discusses the effect of a hard titanium nitride (TiN) coating deposited on the stainless steel (SS) 316 L substrate using the cathodic arc deposition (CAD) technique. The hardness, X-ray diffraction, and roughness of the coating properties of as-received, and ceramic coated samples were studied. The osbornite phase increased in the coated specimen due to TiN which is observed from X-ray diffraction analysis. The SS 316 L sample showed a hardness of 217.66 HV, and the cathodic arc deposition coating samples increased five times compared to uncoated disc in hardness. The bio tribological testing of the hard TiN coated 316 L stainless steel was carried out using a ball-on-disc tribometer under simulated body fluid (SBF). The specific wear rate and its mechanism were carried out for the testing conditions of 2, 4, and 6 N with the counterpart of stainless steel. Scanning electron microscopy observation of the worn surfaces revealed the wear mechanisms of the contact surfaces. The 3-(4, 5-dimethylthiazolyl-2)-2, 5-diphenyltetrazolium bromide (MTT) and cell viability tests were conducted in order to confirm the biocompatibility with the normal cell line on the ceramic coated SS 316 L specimen. The present study focused on the demand for stainless steel 316 L and the usage of CAD coatings to suppress wear in bioimplant applications.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1679 - 1687"},"PeriodicalIF":1.8,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142177484","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}

{"title":"Effects of TiO2 on the structure and coloration of azure glaze","authors":"Hao Li,&nbsp;Yuan Fang,&nbsp;Zhe Li,&nbsp;Weixia Dong,&nbsp;Jianer Zhou,&nbsp;Qifu Bao","doi":"10.1007/s41779-024-01071-1","DOIUrl":"10.1007/s41779-024-01071-1","url":null,"abstract":"<div><p>In this paper, the azure glaze is prepared by using kaolin, calcite, and quartz as the main raw materials fired at a reducing atmosphere. Coloration and structure of the azure glaze are analyzed by the ultraviolet–visible photometer (UV–Vis), colorimeter, X-ray patterns (XRD), scanning electron microscope (SEM), and X-ray photoelectron spectroscopy (XPS). The coloration mechanism is proposed. The results show that: when TiO₂ content is increased, the glaze color gradually changes in sequence: azure → green → yellow → orange → dark orange, which is due to inhibit the reduction of Fe³⁺ and thus Fe²⁺/Fe³⁺ gradually decreases with the increase of TiO₂ content_. The number of bubbles in the glaze layer significantly decrease, and the size of the bubbles increases, which improve the reflect light ability and make the azure glaze opacification like jade. The results would provide a scientific basis and enrich the literature on the history of ceramic manufacturing techniques for the azure glaze.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1637 - 1643"},"PeriodicalIF":1.8,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141927353","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}

{"title":"Structural and biological properties of hydroxyfluorapatite containing sodium and potassium and substituted with carbonates bioceramics for bone tissue engineering","authors":"Jihen Ben Slimen,&nbsp;Samira Jebahi,&nbsp;Luís Javier Del Valle,&nbsp;Mustapha Hidouri","doi":"10.1007/s41779-024-01066-y","DOIUrl":"10.1007/s41779-024-01066-y","url":null,"abstract":"<div><p>Calcium phosphates are extensively utilized in the biomedical domain, specifically in dentistry and orthopedics, owing to their chemical resemblance to the mineral constituent of hard tissue. Ions substitutions within the apatite lattice play a vital role in cell-biological interaction and organ metabolism. Here, a serial of hydroxyapatite bioceramics has been ions-substituted with sodium (Na⁺), potassium (K⁺), carbonate (CO₃²⁻), and fluoride (F⁻). The general formula for the compounds is Ca_(9.75−y/2)(Na, K)_0.25(PO₄)_6−y(CO₃)_yOHF (HFAp) with (0 ≤ y ≤ 1). After undergoing analysis and characterization using numerous methods and techniques, the obtained samples were confirmed to be pure apatite. The HFAp structure was found to contain the necessary amounts of introduced substituted ions. The thermal analysis of the samples revealed that the apatite phase was the primary component from room temperature to 1000 °C, whereas the formation of β-Ca₃(PO₄)₂ occurred at a temperature of 750 °C. The pressureless sintering process resulted in achieving a densification ratio of 93% for the samples. The biocompatibility of the samples was studied in-vitro. The interaction between cells and materials was studied using the methyl thiazolyl tetrazolium (MTT) assay with human osteosarcoma cells MG-63 and Saos-2. The biological response resulted in cell proliferation on the materials’ surface. The in vitro bioactivity investigations conducted on materials submerged in Simulated Body Fluid (SBF) demonstrated a remarkably bioactive nature, as indicated by the enhanced mineralization of a new apatite layer. The synthesized biomaterial shows potential for repairing and reconstructing sick body components.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1579 - 1590"},"PeriodicalIF":1.8,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141935298","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}

{"title":"Basic oxygen furnace slag: a sustainable approach to SiO2-Na2O-B2O3-CaO-F glass-ceramic coating production","authors":"İremnur Ceylan,&nbsp;Büşra Karakaş,&nbsp;Gamze Öztürk,&nbsp;Buğra Çiçek","doi":"10.1007/s41779-024-01069-9","DOIUrl":"10.1007/s41779-024-01069-9","url":null,"abstract":"<div><p>In this study, basic oxygen furnace slag (BOF) was utilized as a substitute for calcium carbonate (CaCO₃) and red iron oxide (Fe₂O₃) in the production of frit, which serves as the precursor material for glass-ceramics. Two different raw material batches for SiO₂-Na₂O-B₂O₃-CaO-F frit were prepared. The batches underwent a melting-quenching process and were classified as frit (F-STD) consisting of 100 wt% commercial raw materials and frit (F-BOF) containing 4.81 wt% BOF slag in its composition. The chemical content, crystalline structure, and thermal behavior of the frits were investigated. F-STD exhibited a T_G of 599.8 °C, with corresponding T_C1 and T_C2 values of 642.2 °C and 871 °C, respectively. F-BOF displayed a T_G of 592.9 °C, along with T_C1 and T_C2 values measured at 636.6 °C and 861 °C. The powdered frits were applied on steel substrates (DC04EK) using the wet spray method and subsequently heat-treated at 840 °C for 4.5 min to obtain a reference (GC-STD) and partially sustainable (GC-BOF) glass-ceramic coatings. The phase formation, microstructure, adherence, and chemical corrosion resistance of the coatings were compared. The coatings were found to be in the optimum adhesion class, numbered 1, according to the BSI EN10209 standard. Analysis of the GC-STD, with an average bubble size of 29.12 μm, and GC-BOF, with an average bubble size of 34.2 μm, revealed fewer and larger diameter bubbles in the sustainable composition. Fluorite (CaF₂) and fluorapatite (Ca₅(PO₄)₃F) crystal phases were detected in both samples. The compatibility of BOF slag in glass-ceramic coating formulation was demonstrated by identical characteristics exhibited by GC-STD and GC-BOF.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1611 - 1624"},"PeriodicalIF":1.8,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141935336","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}

{"title":"Structural investigations, enhanced dielectric and electrical characteristics of iron-doped Bi2O3 thin films designed for high-frequency applications","authors":"A. F. Qasrawi,&nbsp;Samah S. Atari","doi":"10.1007/s41779-024-01072-0","DOIUrl":"10.1007/s41779-024-01072-0","url":null,"abstract":"<div><p>Herein thin films of bismuth oxide are doped with iron by the thermal deposition technique under a vacuum pressure of 10^–5 mbar. The doping content varied in the range of 3.0 wt.% to 13.0 wt.%. It is found that undoped and Fe-doped Bi₂O₃ films exhibited monoclinic structure with lattice parameters of <span>(a=7.9765;oversetcirc A,;b=7.1253;oversetcirc A,;c=4.5964;oversetcirc A)</span> and <span>(beta =102.203^circ)</span> and space group <span>(8/Lc140)</span>. Fe-doping below the solubility limit (13.0 wt %) resulted in smaller crystallites, larger strains and larger defect densities. Above the solubility limits orthorhombic Fe₂O₃ occupied 30.6% of the total phase of Bi₂O₃ films. Fe-doped Bi₂O₃ films showed lower dielectric constant value, lower electrical conductivities and larger microwave cutoff frequencies. Analyses of the ac conductivity spectra indicated that the ac conduction is dominated by the correlated barrier hopping. The increased doping level below the solubility limit decreased the density of localized states near Fermi level and increased the correlated barrier height. It is also observed that 3.0 wt% of Fe can improve the cutoff frequency from 133 to 160 GHz. The cutoff frequency spectra of pure and doped samples displayed values that suits 6G waveguides, field effect transistors, and other high-frequency applications.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1645 - 1655"},"PeriodicalIF":1.8,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141935262","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}

{"title":"Influence of introducing TiO2 on densification and thermal shock resistance of Al2O3-MgO-CaO-Y2O3 materials","authors":"Wenyu Zan,&nbsp;Beiyue Ma,&nbsp;Kun Liu,&nbsp;Chao Yu,&nbsp;Hao Liu,&nbsp;Zhoufu Wang,&nbsp;Chengji Deng","doi":"10.1007/s41779-024-01070-2","DOIUrl":"10.1007/s41779-024-01070-2","url":null,"abstract":"<div><p>To develop a novel refractory system for cleaner steelmaking and alloy smelting, Al₂O₃-MgO-CaO-Y₂O₃ materials were successfully synthesized via the solid-phase method, utilizing Al₂O₃-MgO-CaO as well as Y₂O₃ as the primary raw materials, with TiO₂ serving as an additive. The impact of TiO₂ on the sintering behavior, mechanical properties, and thermal shock resistance of the material was further investigated to elucidate its influence mechanism. The findings reveal that the addition of TiO₂ led to an increase in the volume shrinkage ratio of the samples from 23.40% to 30.14%, a decrease in bulk density from 3.11 g·cm⁻³ to 2.85 g·cm⁻³, and an increase in apparent porosity from 9.52% to 18.00%. Furthermore, the cold compressive strength of the samples decreased from 108.6 MPa to 54.64 MPa, and the residual strength ratio after three cycles of thermal shock decreased from 78.10% to 66.14%. The internal structure of the material primarily consists of MgAl₂O₄, Al₅Y₃O₁₂, and CaAl₂O₄ phases, formed at different reaction stages (initial, intermediate, and final stages). The formation conditions of these crystal phases significantly influence the microstructure and properties of the material. Upon the addition of 6 wt% TiO₂, numerous Al₂TiO₅ and Mg₂TiO₄ precipitate from the continuous liquid phase during cooling, along with partially unreacted Al₂O₃. These grains exhibit relatively small size and high content, leading to an increase in energetically mismatched grain boundaries and interfaces among the internal grains, thereby augmenting the overall structural inhomogeneity of the material. Consequently, this diminishes the mechanical property and thermal shock resistance of the materials.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1625 - 1636"},"PeriodicalIF":1.8,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s41779-024-01070-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141881325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ytterbium-doping contribution to the overall dielectric and electrical properties of (Sr, Ba)Bi2Ta2O9 ceramics","authors":"Mohamed Afqir,&nbsp;Didier Fasquelle,&nbsp;Amina Tachafine,&nbsp;Yingzhi Meng,&nbsp;Mohamed ElaatmanI,&nbsp;Abdelouahad Zegzouti,&nbsp;Mohamed Daoud","doi":"10.1007/s41779-024-01068-w","DOIUrl":"10.1007/s41779-024-01068-w","url":null,"abstract":"<div><p>In this work, Yb-doped Sr_0.95Ba_0.05Bi₂Ta₂O₉ powders were synthesized by the citric acid-assisted method. The prepared powders were uniaxially pressed and sintered at different temperatures. Structure, morphology, and dielectric properties were investigated. The use of either a 1200 °C sintering temperature or motifs for a reduction tanδ purpose. The results showed that Yb has not caused a significant change in dielectric properties at low temperatures, thus indicating its ability to reduce dielectric loss smoothly. At high temperatures, the introduction of ytterbium elements could reduce both Curie temperature and conductivity. According to Jonscher’s universal power law, the correlated barrier-hopping (CBH) model describes the AC conductivity mechanism. However, the non-overlapping small polaron tunneling (NSPT) model may be used to show that this is only possible at a specific temperature. The Arrhenius law and the CBH module provide estimates of the various energy barriers that space charges should overcome; however, these barriers get higher as the dopant concentration rises.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"60 5","pages":"1601 - 1609"},"PeriodicalIF":1.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141881329","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}