Science of Sintering最新文献

筛选
英文 中文
Improving thermoelectric properties of p-type (BiSb)2(TeSe)3 single crystal by Zr doping Zr掺杂改善p型(BiSb)2(TeSe)3单晶热电性能
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos2301057p
E. Pozega, N. Vukovic, L. Gomidželović, Miloš Janošević, Milenko Jovanović, S. Marjanović, Milijana Mitrović
{"title":"Improving thermoelectric properties of p-type (BiSb)2(TeSe)3 single crystal by Zr doping","authors":"E. Pozega, N. Vukovic, L. Gomidželović, Miloš Janošević, Milenko Jovanović, S. Marjanović, Milijana Mitrović","doi":"10.2298/sos2301057p","DOIUrl":"https://doi.org/10.2298/sos2301057p","url":null,"abstract":"In order to study the effect of Zr doping on the thermoelectric properties of p-type Bi10.17Sb30.72 Zr0.35Te58.28Se0.48 single crystal, ?n ingot was prepared by Bridgman method. Cut and cleaved samples from different regions of ingot were characterized by a Hall Effect based on the Van der Pauw method. The first measurements were conducted with four ohmic contacts at room temperature and the obtained results were presented in our investigation, earlier. ?lso, high charge carriers mobility was obtained on the sample with silver contacts at the temperature of liquid nitrogen. Single crystal was characterized by Seebeck coefficient (S), conductivity (?) and resistivity (?) measurements as ? function of temperature in the range of 40-320?C by a home-made impedance meter. The prepared single crystal has a figure of merit (Z) of 1.22 x 10-3 K-1 at 300?C.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68811057","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 h-BN reinforcement on wear and friction properties of copper based alloy h-BN增强对铜基合金磨损摩擦性能的影响
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos230717044d
A. Devecili, Adem Bakkaloğlu, Y. Gencer
{"title":"The effect of h-BN reinforcement on wear and friction properties of copper based alloy","authors":"A. Devecili, Adem Bakkaloğlu, Y. Gencer","doi":"10.2298/sos230717044d","DOIUrl":"https://doi.org/10.2298/sos230717044d","url":null,"abstract":"The aim of this study was to investigate the effect of hexagonal boron nitride (h-BN) addition on copper based alloy system. Varying amounts of h-BN were added to the prepared metal matrix composition as a reinforcing material. The powder mixture was subjected to high-energy mechanical alloying and compacted under 400 N/mm2 and were sintered at 820?C for 2 hours. Following the sintering of the samples characterization procedures were performed after wear and friction testing. The addition of h-BN led to a decrease in dimensional shrinkage after sintering, while the difference between the achieved density and theoretical density increased. XRD results revealed the presence of characteristic peaks attributed to the reinforcement and metallic matrix. The wear tests revealed a significant increase in wear with higher h-BN content under different applied loads. The initial decline in friction coefficient with h-BN addition was followed by an increase as the h-BN content increased.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"33 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68812543","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
Microstructure development in warm upset AM Ti64 热镦压AM Ti64的组织发展
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos230623045s
S. Szczepanik, P. Nikiel
{"title":"Microstructure development in warm upset AM Ti64","authors":"S. Szczepanik, P. Nikiel","doi":"10.2298/sos230623045s","DOIUrl":"https://doi.org/10.2298/sos230623045s","url":null,"abstract":"As AM Ti alloys generally contain porosity, for demanding applications it must be eliminated. HIP was reported, but it is expensive; accordingly forging by upsetting of EBM Ti6Al4V at 900?C was investigated. Strain rates of 0.01-1 s-1 were employed. In contrast to the as-printed material, porosity was not detected. From the plastometric tests the stress-true strain relationships were obtained and peak stresses were determined. Using the Simufact simulation program, details of the distribution of equivalent strains and temperatures were obtained. Comparison with wrought cast and printed materials is reported. The eventual microstructure consisted of alpha lamellae ranging in width from 1.81 to 2.34 ?m, depending on strain rate and deformation, and beta formed in the interlamellar space during cooling in air. The hardness of the fully processed material was in the range of 293-304 HV1, independently of strain rate. This is to be compared with EBM Ti64, 316-360 HV0.3, and similarly processed cast wrought material, 350-365 HV0.3.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68812753","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
Investigation of Li2O and TiO2 effects on MAS glass-ceramic produced from waste material Li2O和TiO2对废MAS玻璃陶瓷的影响研究
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos220617008c
N. Canikoğlu, Cansu Özarslan, Özkan Toplan
{"title":"Investigation of Li2O and TiO2 effects on MAS glass-ceramic produced from waste material","authors":"N. Canikoğlu, Cansu Özarslan, Özkan Toplan","doi":"10.2298/sos220617008c","DOIUrl":"https://doi.org/10.2298/sos220617008c","url":null,"abstract":"Among glass-ceramics, MgO-Al2O3-SiO2 (MAS) system occupies an important place due to its good characteristics. In this study, the magnesite waste being an industrial waste was evaluated for the production of MAS glass ceramics and the properties of the glass-ceramics produced were examined. For this purpose, mixtures were prepared using magnesite waste, quartz, kaolin and alumina raw materials according to the chemical composition of cordierite. Furthermore, in the mixtures prepared with the additions of TiO2 and Li2O added as a nucleating agent the effects of these additions on the crystallization temperatures were investigated. Crystallization temperatures of the glass samples were determined by the differential thermal analysis (DTA) and characterized by X-ray analysis (XRD). Subsequently, the glass-ceramic transformation was performed at 1000?C, 1050?C, 1100?C, 1150?C and 1200?C for 1, 3, 5 and 10 hours. The products obtained were analyzed using X-ray (XRD) and scanning electron microscope (SEM). In addition, the microhardness of glass-ceramic products and their corrosion resistance in an acidic environment were measured and compared in this study.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68810484","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
Intergranular space, specific surface area, grain size distribution and distribution of macro, meso and micropores of multiphase microstructure in active microalloyed multifunctional ceramics 活性微合金多功能陶瓷中多相组织的晶间空间、比表面积、晶粒尺寸分布及宏、介、微孔分布
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos220630001p
J. Purenovic, M. Purenovic
{"title":"Intergranular space, specific surface area, grain size distribution and distribution of macro, meso and micropores of multiphase microstructure in active microalloyed multifunctional ceramics","authors":"J. Purenovic, M. Purenovic","doi":"10.2298/sos220630001p","DOIUrl":"https://doi.org/10.2298/sos220630001p","url":null,"abstract":"As a complex multiphase heterogeneous system in solid state, multifunctional active microalloyed alumo-silicate ceramics has an inhomogeneous structure with intergranular space, which is reflected in a number of structurally sensitive properties. A very complex intergranular space and numerous interactions between individual phases and grains create new boundaries and an even more complex space with much smaller micrograins, which are formed by grain fragmentation by dislocations displacement. In addition to reducing macro and meso porosity, densification of intergranular space increases the number of micro pores. Intergranular surface area and volume are considered as dislocation space. Quantitative metallography method was applied to determine grain size distribution using software for automatic analysis. Specific surface tests and pore distribution were performed on special samples of multifunctional ceramics. Standard methods for determining specific surface area of samples in vacuum were used. Obtained results, which were relevant in terms of theoretical and practical implications, confirmed that multifunctional active microalloyed ceramics had a developed surface with significant number of meso and micro pores. Due to constancy of grain fragmentation process, there were significant changes in micromorphology and all multifunctional properties, as well as movement of dislocations, which made a significant contribution to contemporary research in this field.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68810516","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
Investigation on the adsorption of the carbamate pesticide methomyl from aqueous solution using modified co-beta zeolite particles 改性共沸石对氨基甲酸酯类农药灭多威的吸附研究
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos220618004s
Predrag Stojisavljević, Nikolina Vulovic, Z. Veličković, D. Mijin, S. Stupar, Denis Dinić, Negovan Ivanković
{"title":"Investigation on the adsorption of the carbamate pesticide methomyl from aqueous solution using modified co-beta zeolite particles","authors":"Predrag Stojisavljević, Nikolina Vulovic, Z. Veličković, D. Mijin, S. Stupar, Denis Dinić, Negovan Ivanković","doi":"10.2298/sos220618004s","DOIUrl":"https://doi.org/10.2298/sos220618004s","url":null,"abstract":"Adsorption of carbamate pesticide Methomyl by Co-Beta Zeolite particles prepared by wet ion-exchange method from aqueous solutions was studied. The effect of zeolite and pesticide concentrations, pH value, and sintering temperature on pesticide removal from an aqueous solution was studied. The change of methomyl concentration during the adsorption was followed using the UV-Visible spectrophotometer. Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy (SEM-EDS) revealed the modified zeolite morphology and elemental structure. The change of the adsorbent surface before and after dye removal was observed using the Fourier Transformation-infrared spectroscopy (FT-IR). The adsorption kinetics follows the pseudo-second-order kinetics model, and at optimal condition adsorption rate is k1 = 0.0166 g mg-1 min-1. The Langmuir, Freundlich, Temkin and Dubinin-Radushkovich adsorption isotherm models were used to describe the adsorption process. Thermodynamic parameters were also determined using experimental data. The thermodynamic study indicates that during pesticide adsorption is, chemisorption and physisorption are present at the same.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68810725","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
Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using Fa and ANN 用Fa和ANN测定UHPFRC中钢筋-水泥粘结参数变化的影响
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos230420029b
D. Bojović, A. Terzic, D. Nikolic, K. Jankovic
{"title":"Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using Fa and ANN","authors":"D. Bojović, A. Terzic, D. Nikolic, K. Jankovic","doi":"10.2298/sos230420029b","DOIUrl":"https://doi.org/10.2298/sos230420029b","url":null,"abstract":"The experimental study included the design and production of ultra-high-performance steel fiber-reinforced concrete (UHPFRC). The physical and mechanical properties of UHPFRC were investigated in a laboratory setting. To investigate the properties of UHPFR concrete, three types of concrete and over 70 samples were used. Following that, samples were created to test the anchors' load-bearing performance. Six concrete slabs with a total of 108 pre-installed anchor samples and six concrete slabs with 108 post-installed chemical anchor samples were created. The analysis of the test findings comprised all individual results as well as the definition of the relationship between the anchor's tensile load capacity and other parameters. To accurately determine the individual influence of the investigated factors as well as their combined impact, a factorial experiment, and artificial neural networks were used in addition to normal statistical numerical studies. It was determined that both approaches offer advantages. The results obtained show matches in certain parts. Due to the way data is processed in different ways, there are also significant differences between them.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68812323","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 section thickness on cavitation behaviour of selective laser sintered polyamide 12 截面厚度对选择性激光烧结聚酰胺12空化行为的影响
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos230703039d
M. Dojčinović, O. Eric-Cekic, S. Ćirić‐Kostić, N. Bogojević, Vladimir Sindjelic
{"title":"Effect of section thickness on cavitation behaviour of selective laser sintered polyamide 12","authors":"M. Dojčinović, O. Eric-Cekic, S. Ćirić‐Kostić, N. Bogojević, Vladimir Sindjelic","doi":"10.2298/sos230703039d","DOIUrl":"https://doi.org/10.2298/sos230703039d","url":null,"abstract":"The present study focuses on the results of cavitation resistance of samples obtained by the Selective Laser Sintering technology. All samples are made from Nylon 12 - Polyamide 12 powder, known as PA2200 in the industry, produced by EOS GmbH. The powder, which has been used for building of samples, represent mixture of 50% new powder and 50% of the recycled powder. In the work, samples with different section thicknesses (0.4mm; 0.8mm and 1.0mm) were subjected to the ultrasonically induced cavitation test method to investigate the effect of geometry on their cavitation behaviour. The change in mass loss during different cavitation times was measured on the tested samples. The morphology of cavitation damage was characterized using Scanning Electron Microscopy (SEM). Results obtained in this paper have shown that section thickness of the samples have a significant influence on the cavitation resistance. The highest cavitation resistance was obtained for the samples with 0.4mm thickness.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68812459","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
Cavitation resistance of the material PA 3200 GF produced by selective laser sintering 选择性激光烧结制备pa3200gf材料的抗空化性能
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos220522011d
M. Dojčinović, O. Eric-Cekic, Igor Svetel, S. Ćirić‐Kostić, N. Bogojević
{"title":"Cavitation resistance of the material PA 3200 GF produced by selective laser sintering","authors":"M. Dojčinović, O. Eric-Cekic, Igor Svetel, S. Ćirić‐Kostić, N. Bogojević","doi":"10.2298/sos220522011d","DOIUrl":"https://doi.org/10.2298/sos220522011d","url":null,"abstract":"The present study focuses on the results of cavitation resistance research of samples obtained by the Selective Laser Sintering technology. The samples were made from polyamide powder reinforced with glass beads - PA 3200 GF. The laser-sintered samples were produced from 100% new and recycled powder mixed with 70% of new powder. The samples were tested under cavitation conditions using an ultrasonic vibration method with a stationary sample according to the ASTM G32 standard. Examination of the morphology of cavitation damage was investigated by scanning electron microscopy. The change in mass loss during different cavitation times was measured on the tested samples. The main objective of the research was to determine the validity of the application of the tested material in cavitation conditions.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68810109","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 Bridgman method of (BiAs)2 (TeSe)3 bulk single crystal growth by spontaneous nucleation 自发成核生长(BiAs)2 (TeSe)3块状单晶的Bridgman方法
IF 1.5 4区 材料科学
Science of Sintering Pub Date : 2023-01-01 DOI: 10.2298/sos220619012p
E. Pozega, S. Marjanović, N. Vukovic, L. Gomidželović, Milijana Mitrović, Miloš Janošević, D. Adamović
{"title":"The Bridgman method of (BiAs)2 (TeSe)3 bulk single crystal growth by spontaneous nucleation","authors":"E. Pozega, S. Marjanović, N. Vukovic, L. Gomidželović, Milijana Mitrović, Miloš Janošević, D. Adamović","doi":"10.2298/sos220619012p","DOIUrl":"https://doi.org/10.2298/sos220619012p","url":null,"abstract":"The Bi0.5As1.5Te2.98Se0.02 single crystal in 11 mm?80 mm size was grown using the Bridgman method. Energy dispersive spectrometry (EDS) analysis was used to determine the chemical composition of the studied samples, as well as for checking and confirming the homogeneity of the samples. Mobility, concentration of charge majority carriers and Hall coefficient of single crystal, were determined using a Hall Effec system based on the Van der Pauw method. Hall Effect was measured at room temperature with four ohmic contacts and at temperature of liquid nitrogen with silver contacts with an applied magnetic field strength of 0.37 T at different current intensities. The expected improvement in the mobility of obtained single crystal doped with this content of arsenic was not obtained.","PeriodicalId":21592,"journal":{"name":"Science of Sintering","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68810788","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
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信