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The role of coarse aggregates in hydrophobized hydraulic concrete 粗骨料在疏水水工混凝土中的作用
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-06-01 DOI: 10.1680/jemmr.21.00027
Ernesto Mora, E. Castellón
{"title":"The role of coarse aggregates in hydrophobized hydraulic concrete","authors":"Ernesto Mora, E. Castellón","doi":"10.1680/jemmr.21.00027","DOIUrl":"https://doi.org/10.1680/jemmr.21.00027","url":null,"abstract":"Concrete materials having decreased water-absorption traits are optimum for some construction applications. Hydrophobicity accompanied by a decreased water absorption in a concrete material can be achieved through its formulation with hydrophobic silica particles. Despite this effect of hydrophobic additions to concrete, the water absorption and hydrophobicity of the final concrete materials can be affected by the water affinity of the coarse aggregates used for their preparation. The role of these coarse aggregates was studied in concrete with added hydrophobic silica particles and prepared with three coarse aggregates having marked differences in their water absorptions: quartz rocks (low), igneous andesitic rocks (medium) and igneous basaltic rocks (high). The hydrophobicity and water-absorption traits of the concrete materials depended on the coarse aggregates used in their preparations. The materials prepared with quartz as coarse aggregates produced less water-absorbing materials. In contrast, the use of igneous basaltic rocks produced materials with greater absorption. A pretreatment involving impregnation of the igneous basaltic rocks with hydrophobic particles before their use in the preparation of concrete material caused a significantly decreased water absorption.","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47426970","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
Design, characterization and applications of direct current plasma source 直流等离子体源的设计、表征及应用
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-06-01 DOI: 10.1680/jemmr.22.00008
A. Atta, A. M. Abdel reheem, H. El-Khabeary
{"title":"Design, characterization and applications of direct current plasma source","authors":"A. Atta, A. M. Abdel reheem, H. El-Khabeary","doi":"10.1680/jemmr.22.00008","DOIUrl":"https://doi.org/10.1680/jemmr.22.00008","url":null,"abstract":"In this paper, the construction, and operation of a locally design cold plasma reactor are described. The anode diameter effect is studied in three inner diameters 5 mm, 10 mm, and 15 mm. This effect on the discharge and plasma characteristics is studied using oxygen and argon gases. It was found that the optimum diameter is 10 mm. Moreover, the plasma density and temperature are investigated using a cylindrical Langmuir probe at the optimum diameter. It is found that the electron temperature reaches 1.6 eV and the electron density reaches 2.3x108 cm−3 in the case of oxygen gas. On the other hand the X-ray diffraction (XRD), scanning electron microscope (SEM) and Fourier-transform infrared spectroscopy (FTIR) analysis are used for chractrized the manganese cobalt doped ferrite (Mn0.5Co0.5Fe2O4) nanoparticles sample before and after oxygen plasma irradiation. The obtained results showed that cold plasma reactor is constructed with high efficiency to meet the required applications such as surface modification, plasma deposition and etching.","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45351004","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
1D randomised photonic crystals: the influence as single and dual channel narrowband filter 一维随机光子晶体:单双通道窄带滤波器的影响
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-06-01 DOI: 10.1680/jemmr.21.00178
L. R., P. Aruna Priya, C. Nayak
{"title":"1D randomised photonic crystals: the influence as single and dual channel narrowband filter","authors":"L. R., P. Aruna Priya, C. Nayak","doi":"10.1680/jemmr.21.00178","DOIUrl":"https://doi.org/10.1680/jemmr.21.00178","url":null,"abstract":"Nowadays, optical filters with high-level performances are highly demanded. While examining the light transmission properties of both periodic and random one-dimensional photonic crystals, it is observed that the random 1D photonic structures have more favorable properties to meet these demands. With the influence of randomness, the novel single and dual-channel narrowband filters at 1550 nm wavelength for optical telecommunication are presented in this study. For designing the narrowband filters, the central wavelength precision, quality factor, and peak transmission are of great importance. The randomness can be attained by permuting the refractive indices of two dielectric materials via the binomial coefficient method. Wherein the light transmission properties are calculated using the Transfer Matrix Method. The proposed filters show ultra-narrowband transmission peaks with the very minimum Full Width at Half Maximum of 0.24 nm in the single-channel narrowband filter; 0.08 nm and 0.095 nm in the dual-channel narrowband filter at the chosen spectral region than the existing narrowband filters based on the defective 1D photonic structures.","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44662381","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
Editorial 编辑
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-03-01 DOI: 10.1680/jemmr.2022.11.1.1
I. Akkurt
{"title":"Editorial","authors":"I. Akkurt","doi":"10.1680/jemmr.2022.11.1.1","DOIUrl":"https://doi.org/10.1680/jemmr.2022.11.1.1","url":null,"abstract":"","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44310555","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 Some Physical-Mechanical Properties of Volcanic Tuff Using Non-Destructive Method 火山凝灰岩部分物理力学性质的无损测定
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-03-01 DOI: 10.1680/JEMMR.21.00056
CanÖmer
{"title":"Determination of Some Physical-Mechanical Properties of Volcanic Tuff Using Non-Destructive Method","authors":"CanÖmer","doi":"10.1680/JEMMR.21.00056","DOIUrl":"https://doi.org/10.1680/JEMMR.21.00056","url":null,"abstract":"Volcanic tuffs extracted from the quarries of Bayburt province in Turkey are of three different types locally identified as White, Yellow, and Green Bayburt stone, deriving from their colours. In t...","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":"11 1","pages":"1-9"},"PeriodicalIF":2.2,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49108765","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
Hole Tolerance Properties of 6061-T6 Aluminium and 100Cr6 Bearing Steel in CNC Plasma Cutting Process 6061-T6铝和100Cr6轴承钢数控等离子切割孔容特性
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-01-01 DOI: 10.1680/jemmr.21.00091
S. Ekşi, Çetin Karakaya, Ahmed Ozan Örnekci
{"title":"Hole Tolerance Properties of 6061-T6 Aluminium and 100Cr6 Bearing Steel in CNC Plasma Cutting Process","authors":"S. Ekşi, Çetin Karakaya, Ahmed Ozan Örnekci","doi":"10.1680/jemmr.21.00091","DOIUrl":"https://doi.org/10.1680/jemmr.21.00091","url":null,"abstract":"","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":"1 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67477331","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
Electrochemical hydrogen storage, mechanical and thermal behaviors of novel Mg-based alloy 新型镁基合金的电化学储氢、力学和热行为
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-01-01 DOI: 10.1680/jemmr.22.00044
Celal Kursun
{"title":"Electrochemical hydrogen storage, mechanical and thermal behaviors of novel Mg-based alloy","authors":"Celal Kursun","doi":"10.1680/jemmr.22.00044","DOIUrl":"https://doi.org/10.1680/jemmr.22.00044","url":null,"abstract":"In this study, Mg65Ni25Y5B5 metallic glass by melt spinning technique was examined in terms of its electrochemical hydrogen storage characteristic, mechanical and thermal behaviors. The XRD and SEM results indicated that the alloy ribbon has a fully amorphous structure. The thermal behavior of the alloy ribbon was determined using flash differential scanning calorimetry (Flash DSC). According to Flash DSC results, the amorphous alloy ribbon exhibited distinct glass transition temperature (T g ) and wide supercooled liquid region (ΔT x = T x − T g ) before crystallization. Accordingly, T g and ΔT x are 195 °C and 63 °C, respectively. Mechanical behavior of the Mg-based alloy at room temperature was determined by means of Vickers microhardness (HV) tester. The microhardness value of the alloy ribbon was measured 336,8 HV. The discharge capacity of the Mg65Ni25Y5B5 alloy reached 313 mAhg−1. The cycle stability revealed that the alloy ribbon protected at least 76.7% of its initial discharge capacity at 12th charge-discharge cycle.","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":"1 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67478013","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
Free-vibration analysis of cracked beam with constant width and linearly varying thickness 等宽线性变厚裂纹梁的自由振动分析
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-01-01 DOI: 10.1680/JEMMR.21.00015A
HaskulMehmet, KisaMurat
{"title":"Free-vibration analysis of cracked beam with constant width and linearly varying thickness","authors":"HaskulMehmet, KisaMurat","doi":"10.1680/JEMMR.21.00015A","DOIUrl":"https://doi.org/10.1680/JEMMR.21.00015A","url":null,"abstract":"This study carries out free-vibration analysis of a cracked tapered beam with a constant width and a linearly varying thickness. The finite-element and component mode synthesis methods are used to ...","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":"11 1","pages":"1-13"},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67476591","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
Use of The FRP Plates Instead of Steel Sheets in the Joints of Wooden Structures 玻璃钢板代替钢板在木结构接缝中的应用
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-01-01 DOI: 10.1680/JEMMR.21.00057
AlsheghriAbdullah, AkgülTahir
{"title":"Use of The FRP Plates Instead of Steel Sheets in the Joints of Wooden Structures","authors":"AlsheghriAbdullah, AkgülTahir","doi":"10.1680/JEMMR.21.00057","DOIUrl":"https://doi.org/10.1680/JEMMR.21.00057","url":null,"abstract":"The use of steel plates in the joints of wooden structures is a common practice. However, because of the presence of natural moisture in the wood, steel sheets are easily corroded and for this reas...","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":"11 1","pages":"1-7"},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67476604","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 Structural Parameters on Bending Behaviour of Honeycomb Sandwich Panel 结构参数对蜂窝夹芯板弯曲性能的影响
IF 2.2 4区 材料科学
Emerging Materials Research Pub Date : 2022-01-01 DOI: 10.1680/jemmr.21.00082
Çetin Karakaya, S. Ekşi
{"title":"Effect of Structural Parameters on Bending Behaviour of Honeycomb Sandwich Panel","authors":"Çetin Karakaya, S. Ekşi","doi":"10.1680/jemmr.21.00082","DOIUrl":"https://doi.org/10.1680/jemmr.21.00082","url":null,"abstract":"","PeriodicalId":11537,"journal":{"name":"Emerging Materials Research","volume":"1 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67476680","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: 3
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