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Glass Technology-European Journal of Glass Science and Technology Part a最新文献

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Machinability analysis of quartz during single point diamond turning process based on finite element method: influence of ultrasonic vibration and micro-machining parameters 基于有限元法的石英单点金刚石车削加工工艺性分析:超声振动和微加工参数的影响
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2020-12-12 DOI: 10.13036/17533546.61.6.009
F. Pashmforoush
{"title":"Machinability analysis of quartz during single point diamond turning process based on finite element method: influence of ultrasonic vibration and micro-machining parameters","authors":"F. Pashmforoush","doi":"10.13036/17533546.61.6.009","DOIUrl":"https://doi.org/10.13036/17533546.61.6.009","url":null,"abstract":"Quartz is one of the difficult-to-machine materials due to its low fracture toughness and high hardness. In this study, the machinability of this material during single point diamond turning (SPDT) was numerically investigated using finite element method (FEM). First of all, the accuracy of the FE model was verified based on the experimental data available in literature. Then, the machinability of quartz was analysed in terms of cutting force, tool/workpiece temperature and tool wear rate. Also, the influence of tool vibration on cutting force and tool wear rate was investigated. Furthermore, an empirical/mathematical model was developed to express the machining outputs as a function of the micro-machining parameters. The obtained results indicate the good performance of FEM in analysing the machinability of quartz during SPDT process.","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2020-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76683488","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
Selling Whitefriars Stained Glass: James Hogan in the United States 1926–1940 出售白衣修士彩色玻璃:詹姆斯·霍根在美国1926-1940
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2020-12-12 DOI: 10.13036/17533546.61.6.HADLEY
D. Hadley
{"title":"Selling Whitefriars Stained Glass: James Hogan in the United States 1926–1940","authors":"D. Hadley","doi":"10.13036/17533546.61.6.HADLEY","DOIUrl":"https://doi.org/10.13036/17533546.61.6.HADLEY","url":null,"abstract":"A brief history of stained glass manufacture by James Powell & Sons introduces an account of the firm's success in selling windows in the USA in the interwar years, as recorded in the diaries of James Hogan, their chief designer.","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2020-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87985121","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
Carbonaceous minerals as corrosion products on the surface of bottles 碳质矿物作为腐蚀产物在瓶子表面
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2020-12-12 DOI: 10.13036/17533546.61.6.OZCAN
A. Özcan, B. Arman, Ş. Demirli, M. Orhon
{"title":"Carbonaceous minerals as corrosion products on the surface of bottles","authors":"A. Özcan, B. Arman, Ş. Demirli, M. Orhon","doi":"10.13036/17533546.61.6.OZCAN","DOIUrl":"https://doi.org/10.13036/17533546.61.6.OZCAN","url":null,"abstract":"During the corrosion process, as the ion exchange between the surface of the glass and the water progresses, the chemical structure of the surface changes and different structural layers are formed. These layers are characterised by various analytical techniques such as EPMA, XRD, FT-IR, TG-DTA and ICP-OES. Three carbonate mineral species namely calcite (CaCO3), shortite (Na2Ca2(CO3)3) and nyerereite (Na2Ca(CO3)2) have been identified at the outermost deposition layer. Critical parameters that affect the formation of the alkali depleted and silica enriched gel layer are investigated using some special test methods. Methylene blue solution reacts with the silanol groups of gel layer leaving a blue tint behind, the intensity of which varies with the extent of corrosion as the amount of silanol groups outcropped due to the increase of the porous structure area. A colour scale is developed to determine the level of corrosion and the results are correlated with the results of other known chemical analysis methods. The effect of annealing conditions on the chemical resistance of the surfaces and the role of the shape of the bottles on the water condensation at humid atmosphere are studied. The results of acid treatment and re-annealing of the corroded surfaces are described.","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2020-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82940333","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
Technological Factors and Adoption of the Unified Identification System (UIDS) Among Government Ministries, Departments and Agencies (MDAs) In Uganda; A Quantitative Perspective 乌干达政府各部、部门和机构的技术因素和统一身份识别系统的采用定量视角
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2020-11-29 DOI: 10.47672/ejt.613
Violah  Mpangwire, A. Ejiri, Fred Kaggwa
{"title":"Technological Factors and Adoption of the Unified Identification System (UIDS) Among Government Ministries, Departments and Agencies (MDAs) In Uganda; A Quantitative Perspective","authors":"Violah  Mpangwire, A. Ejiri, Fred Kaggwa","doi":"10.47672/ejt.613","DOIUrl":"https://doi.org/10.47672/ejt.613","url":null,"abstract":"Purpose: The study sought to examine the relationship between technological factors and UID system's adoption among MDAs in Uganda. \u0000Methodology: A positivist paradigm and cross-section design were adopted with a sample of 97 MDAs generated from a population of 130 government MDAs. MDAs were stratified and randomly selected from each stratum. The heads of department and permanent secretaries/CEOs formed the unit of inquiry that was purposively selected. Self-administered questionnaire with closed-ended questions aided data collection. Pearson correlation and hierarchical multiple regression techniques were used for data analysis. \u0000Findings: It was established that technological factors are positively associated with the adoption of the UID system among MDAs in Uganda. The study recommends MDAs to address all technological factors to enhance the adoption of the UID system. \u0000Contribution to policy and practice: The study significantly contributes to a large body of knowledge in the adoption of information systems in the public sector that has been less investigated in developing countries like Uganda.","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2020-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79540952","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
Protection of historic stained glass 保护历史彩色玻璃
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2020-11-01 DOI: 10.13036/17533546.61.5.strobl
S. Strobl
{"title":"Protection of historic stained glass","authors":"S. Strobl","doi":"10.13036/17533546.61.5.strobl","DOIUrl":"https://doi.org/10.13036/17533546.61.5.strobl","url":null,"abstract":"The process of deterioration of a stained glass window, more precisely of its component glass, lead and paint pigments, has in recent decades been researched thoroughly and is now well understood. The need for the protection in particular of the potash window glasses of the middle ages therefore is widely accepted but not the means of how to achieve this aim. Early attempts such as coatings applied on the glass or the sandwich process, known as Jacobi–Process, have failed for a variety of reasons and with disastrous consequences. Short of removing the windows to safe storage, the only response currently available is the creation of a museum like condition on site in the form of the introduction of an isothermal glazing system. Despite its unquestioned merits, the isothermal glazing system is still in dispute mainly because of its interference with a given historic setting. A variety of designs for the isothermal glazing will be discussed, all aimed at minimising their physical and visual impact on the building, making a strong case in favour of this important protective measure.","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2020-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82873595","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
Identification of cord sources in glass using CFD 利用CFD技术识别玻璃中的线束源
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2020-11-01 DOI: 10.13036/17533546.61.5.vrabel
P. Vrabel, LR Crystal, P. Šimurka, M. Maryška, P. Vl, P. Schill, Prague Ceramics
{"title":"Identification of cord sources in glass using CFD","authors":"P. Vrabel, LR Crystal, P. Šimurka, M. Maryška, P. Vl, P. Schill, Prague Ceramics","doi":"10.13036/17533546.61.5.vrabel","DOIUrl":"https://doi.org/10.13036/17533546.61.5.vrabel","url":null,"abstract":"Cord appearance in the glass industry is a serious problem in high glass quality tableware production. The increased frequency of sharp cords provoked a serious analysis on cord origin and their elimination at the production line. Optical microscopy and electron microprobe analysis (EMA) were applied as direct methods for cord identification. A computational flow dynamics calculation (CFD) and process data analysis were used to verify the hypothesised source of the inhomogeneity. The hypothesis on origin of ZrO2 free cords containing high amounts of Al2O3 was postulated in relation to the refractory material composition of the forehearth. Calculations showed that the suggested mechanism at temperatures between 1200 and 1300°C was relevant. The hypothesis was supported by a change of chemical character of the cords after partial removal of the poorly resistant material. Also the average cord frequency was reduced on a production line from 53 to 17%. CFD simulations indicated that there may exist an effective mixing strategy on cord dissolution. Increasing stirrer rotation speed in a tempering part of the forehearth had a positive effect on cord disruption. The proposed stirrer set up decreased the cord frequency to less than 2%.","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2020-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80864898","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
Low melting glasses for transparent and environmentally-resistant enamels 低熔点玻璃透明和环保的搪瓷
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2019-09-01 DOI: 10.13036/17533546.60.4.002
K. Seneschal-Merz, M. Bücker, I. Feldmann
{"title":"Low melting glasses for transparent and environmentally-resistant enamels","authors":"K. Seneschal-Merz, M. Bücker, I. Feldmann","doi":"10.13036/17533546.60.4.002","DOIUrl":"https://doi.org/10.13036/17533546.60.4.002","url":null,"abstract":"","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72759041","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 viscosity of Bi2O3–B2O3–SiO2 glasses and melts Bi2O3-B2O3-SiO2玻璃和熔体的粘度
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2019-09-01 DOI: 10.13036/17533546.60.4.016
A. Shilov, S. Stolyar, V. Stolyarova, M. I. Ojovan
{"title":"The viscosity of Bi2O3–B2O3–SiO2 glasses and melts","authors":"A. Shilov, S. Stolyar, V. Stolyarova, M. I. Ojovan","doi":"10.13036/17533546.60.4.016","DOIUrl":"https://doi.org/10.13036/17533546.60.4.016","url":null,"abstract":"","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90567923","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: 4
Production of superhydrophilic glass and glaze surfaces by pure water treatment 用纯水处理生产超亲水性玻璃和釉面
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2019-06-28 DOI: 10.13036/17533546.60.3.019
A. Shafiei, K. Dehghani
{"title":"Production of superhydrophilic glass and glaze surfaces by pure water treatment","authors":"A. Shafiei, K. Dehghani","doi":"10.13036/17533546.60.3.019","DOIUrl":"https://doi.org/10.13036/17533546.60.3.019","url":null,"abstract":"","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2019-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83273091","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
Comparative study of weather induced corrosion mechanisms of toughened and normal float glasses 钢化浮法玻璃与普通浮法玻璃天气腐蚀机理的比较研究
IF 0.3 4区 材料科学
Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2019-04-17 DOI: 10.13036/17533546.60.2.020
S. Reiß, S. Krischok, E. Rädlein, TU Ilmenau
{"title":"Comparative study of weather induced corrosion mechanisms of toughened and normal float glasses","authors":"S. Reiß, S. Krischok, E. Rädlein, TU Ilmenau","doi":"10.13036/17533546.60.2.020","DOIUrl":"https://doi.org/10.13036/17533546.60.2.020","url":null,"abstract":"","PeriodicalId":55090,"journal":{"name":"Glass Technology-European Journal of Glass Science and Technology Part a","volume":null,"pages":null},"PeriodicalIF":0.3,"publicationDate":"2019-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76861831","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: 8
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