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Effects of different microalgae Botrycoccus sp. Beads concentrations on the growth and nutrients uptake in kitchen wastewater 不同浓度的微藻 Botrycoccus sp. Beads 对厨房废水中的生长和营养吸收的影响
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146230
{"title":"Effects of different microalgae Botrycoccus sp. Beads concentrations on the growth and nutrients uptake in kitchen wastewater","authors":"","doi":"10.24425/amm.2023.146230","DOIUrl":"https://doi.org/10.24425/amm.2023.146230","url":null,"abstract":"","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":"109 19","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138959310","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
Study on the Phase Composition and Microstructure of Ti-8Al-1Mo-1V After Surface Plasma Nitriding 表面等离子氮化后 Ti-8Al-1Mo-1V 的相组成和显微结构研究
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146188
R. Yankova, L. DRenchev
{"title":"Study on the Phase Composition and Microstructure of Ti-8Al-1Mo-1V After Surface Plasma Nitriding","authors":"R. Yankova, L. DRenchev","doi":"10.24425/amm.2023.146188","DOIUrl":"https://doi.org/10.24425/amm.2023.146188","url":null,"abstract":"The application of titanium alloys is limited due to their low surface hardness and wear resistance, especially for parts operating under friction and contact loads. one of the most widely used technologies for the thermochemical treatment of titanium alloys is gas nitriding. a new method in this direction is surface plasma gas nitriding using indirect arc plasmatrons operating in a chamber with a controlled nitrogen atmosphere. In the present work, the changes in the phase transformations, microstructure, and surface hardness of titanium alloy Ti-8al-1Mo-1v after plasma gas nitriding at the power of 18 kW, and 25 kW for a time between 5 and 30 minutes are studied. The plasma gas nitriding with the indirect plasmatron of the titanium alloy produced continuous surface layers. analysis of the surface showed the presence of Tin and Tio 2 . The thickness of the plasma gas nitrided layers ranges between 100 μm and 350 μm, depending on the technological parameters.","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" 9","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138961075","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
Analysis of the Microstructure and Hardness of Aluminum Alloy Gradient Plate Prepared by Friction Stir 摩擦搅拌制备的铝合金梯度板的微观结构和硬度分析
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146221
Weiwei Song, J. Pu, Jiang Di, Dong Qi, Hongfeng Wang
{"title":"Analysis of the Microstructure and Hardness of Aluminum Alloy Gradient Plate Prepared by Friction Stir","authors":"Weiwei Song, J. Pu, Jiang Di, Dong Qi, Hongfeng Wang","doi":"10.24425/amm.2023.146221","DOIUrl":"https://doi.org/10.24425/amm.2023.146221","url":null,"abstract":"The aluminum alloy performance gradient plate was prepared by friction stir joining. analysis results of the macro morphology, microstructure, and hardness of the aluminum alloy performance gradient plate prepared under various parameters show that when the feed speed of the stirring tool is 250 mm/min, the downward pressure of the stirring tool is 6.6 mm, and the rotation speed of the stirring tool changes from 200 rpm to 800 rpm. The macroscopic morphology of the aluminum alloy gradient plates prepared by the method first changed from burr to smooth, and vice versa. There is a different cross-section morphology of the prepared aluminum alloy gradient plates, however, the aluminum alloy plates are stirred and involved with each other, and the grains of the prepared plates are refined. The hardness of the upper and lower surfaces of the aluminum alloy gradient sheet decreases, whereas that of the upper surface of the side increases, and that of the middle and bottom sides also decreases. However, the hardness of the middle side of the sheet prepared with the rotation speed of the stirring tool at 800 rpm increases, but that of the bottom side still decreases. obtained through analysis that the performance of the aluminum alloy gradient sheet prepared at the stirring tool rotation speed of 500 rpm increases in equal proportion to achieve a good performance gradient change.","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" 90","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138961250","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
Properties of FeCuSnNi Sinters as Matrices of Metal-Diamond Composites 作为金属-金刚石复合材料基体的铁铜镍镍矿石的性能
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146225
{"title":"Properties of FeCuSnNi Sinters as Matrices of Metal-Diamond Composites","authors":"","doi":"10.24425/amm.2023.146225","DOIUrl":"https://doi.org/10.24425/amm.2023.146225","url":null,"abstract":"","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" 8","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138961708","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 Influence of the Processing Conditions on Changes in Physical and Structural Properties of Injection Moulded Parts Made of Polypropylene 加工条件对聚丙烯注塑件物理和结构特性变化的影响
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146217
P. Palutkiewicz, kalwik, Jaruga
{"title":"The Influence of the Processing Conditions on Changes in Physical and Structural Properties of Injection Moulded Parts Made of Polypropylene","authors":"P. Palutkiewicz, kalwik, Jaruga","doi":"10.24425/amm.2023.146217","DOIUrl":"https://doi.org/10.24425/amm.2023.146217","url":null,"abstract":"the injection moulding conditions may change the degree of crystallinity of the plastic to some extent, which affects the mechanical properties such as tensile strength and hardness. Moreover, the cooling conditions of the moulded parts may contribute to changes in their shrinkage. the paper presents the results of determination of the melting enthalpy of a polypropylene. the melting enthalpy ∆ H m was determined by differential scanning calorimetry. it was found, that the value of the melting enthalpy depends on the physical conditions prevailing during the sample production process, such as the temperature of the liquid material, the cooling rate of the plastic (related to the mould temperature T m ) and the flow rate of the plastic in the mould. the degree of crystallinity of the obtained samples was also determined, which, depending on the measured enthalpy of fusion, influences the degree of structural order of the polymer. Standardized test samples were also analysed in terms of transversal shrinkage and longitudinal shrinkage. the shrinkage of the injection moulded parts results from the change of physical state of plastic during its solidification in the mould.","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":"107 ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139172443","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
Study on Phase Transformation Dynamics, Microstructure, and Properties of the Cu-2.7Ti-2.5Ni-0.8V Alloy 铜-2.7钛-2.5镍-0.8V 合金的相变动力学、微观结构和性能研究
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146204
Jia Liu, Jituo Liu, Xianhui Wang
{"title":"Study on Phase Transformation Dynamics, Microstructure, and Properties of the Cu-2.7Ti-2.5Ni-0.8V Alloy","authors":"Jia Liu, Jituo Liu, Xianhui Wang","doi":"10.24425/amm.2023.146204","DOIUrl":"https://doi.org/10.24425/amm.2023.146204","url":null,"abstract":"the phase transformation dynamic and electrical conductivity equations of the aged Cu-2.7ti-2.5ni-0.8V alloy were established in this work. the microstructure evolution and precipitated phases were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (tEM). the mechanical properties were tested using a hardness testing machine and universal test machine, and the electrical conductivity was measured by the eddy conductivity gauge. the results show that niti intermetallic compounds are formed during the solidification, and these phases such as ni 3 ti and niV 3 are precipitated after aging treatment. the fracture morphology displays that a large number of shallow and equiaxed dimples occur on the tensile fracture, indicating a typical ductile fracture. after aging treatment at 450°C for 240 min, the hardness, tensile strength, elongation and electrical conductivity of the Cu-2.7ti-2.5ni-0.8V alloy are 184 hV, 459 MPa, 6.3% and 28.72% iaCS, respectively.","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" 4","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138959873","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
Three-Point Bending Response of Nylon 12 Obtained by Fused Filament Fabrication (FFF) Versus Selective Laser Sintering (SLS) 通过熔融长丝制造（FFF）与选择性激光烧结（SLS）获得的尼龙 12 的三点弯曲响应
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146210
M. N. BaBa, G. D. VoiNea, M.e. Lucaci
{"title":"Three-Point Bending Response of Nylon 12 Obtained by Fused Filament Fabrication (FFF) Versus Selective Laser Sintering (SLS)","authors":"M. N. BaBa, G. D. VoiNea, M.e. Lucaci","doi":"10.24425/amm.2023.146210","DOIUrl":"https://doi.org/10.24425/amm.2023.146210","url":null,"abstract":"This study analyses the three-point bending behavior of Nylon 12 (Pa12) specimens produced using two additive manufacturing technologies (i.e., fused filament fabrication and selective laser sintering). a Nylon 12 commercially available filament (from Fiberlab S.a.) was selected to employ the fused filament fabrication method (FFF) with a Prusa 3D desktop printer, whereas Nylon 12 sintering powder (from Formlabs inc.) was chosen for selective laser sintering (SLS) using a benchtop industrial SLS platform, Formlabs Fuse 1, with a powder refresh ratio of 30%. The bending strength and flexural elasticity moduli were determined by following iSo 178:2019 standard specifications to assess the effect of two different technologies on the mechanical behavior of three-point bending specimens produced in three distinct build orientations (i.e., 0°, 45°, and 90°) relative to the printing platform. one-way aNoVa analysis, Tukey’s HSD, and Games-Howell tests are considered to assess the statistical variability of experimental data and compare the mean values of bending strength and flexural moduli. The testing results for the three orientations under question show notable differences and interesting similarities either in terms of strength or elasticity response for a significance p -level of 0.05.","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" March","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138960555","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
Effects of the Microstructure and Strengthening Mechanisms of Mo2C Powders Being Added to Ti-8Nb-4Co Alloy Via the Vacuum Sintering Process 通过真空烧结工艺在 Ti-8Nb-4Co 合金中添加 Mo2C 粉末对微观结构和强化机制的影响
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146190
Shih-Hsien Chang, Kun-Jie Liao, K. Huang, Cheng Liang
{"title":"Effects of the Microstructure and Strengthening Mechanisms of Mo2C Powders Being Added to Ti-8Nb-4Co Alloy Via the Vacuum Sintering Process","authors":"Shih-Hsien Chang, Kun-Jie Liao, K. Huang, Cheng Liang","doi":"10.24425/amm.2023.146190","DOIUrl":"https://doi.org/10.24425/amm.2023.146190","url":null,"abstract":"This study utilizes Ti-8nb-4Co alloys added to different proportions of Mo 2 C powders (1, 3, and 5 mass%) by the vacuum sintering process of powder metallurgy and simultaneously vacuum sinters the alloys at 1240, 1270, 1300, and 1330°C for 1 h, respectively. The experimental results indicate that when 3 mass% Mo 2 C powders were added to the Ti-8nb-4Co alloys, the specimens possessed the optimal mechanical properties after sintering at 1300°C for 1 h. The relative density was 98.02%, and the hardness and TRS were enhanced to 69.6 hRa and 1816.7 MPa, respectively. in addition, the microstructure of vacuum sintered Ti-8nb-4Co-3Mo 2 C alloys has both α and β-phase structures, as well as TiC precipitates. EBSD results confirm that the Mo 2 C in situ produced TiC during the sintering process and was uniformly dispersed in the grain boundary. Moreover, the reduced molybdenum atom acted as a β-phase stabilizing element and solid-solution in the titanium matrix.","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" 24","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138960906","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
Micromechanical Modeling of Polyamide 11 Nanocomposites Properties using Composite Theories 利用复合理论建立聚酰胺 11 纳米复合材料性能的微机械模型
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146200
K.A.A. HAlim, J. E. KEnnEdy, A. A. M. SAllEH, A. F. OSmAn, .F. OmAr, M. SunAr
{"title":"Micromechanical Modeling of Polyamide 11 Nanocomposites Properties using Composite Theories","authors":"K.A.A. HAlim, J. E. KEnnEdy, A. A. M. SAllEH, A. F. OSmAn, .F. OmAr, M. SunAr","doi":"10.24425/amm.2023.146200","DOIUrl":"https://doi.org/10.24425/amm.2023.146200","url":null,"abstract":".","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":" 48","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138960820","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
Performance of Cement Sand Brick Containing Bamboo Ash as Cement Replacement Material 含有竹灰作为水泥替代材料的水泥砂浆砖的性能
IF 0.6 4区 材料科学
Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI: 10.24425/amm.2023.146195
{"title":"Performance of Cement Sand Brick Containing Bamboo Ash as Cement Replacement Material","authors":"","doi":"10.24425/amm.2023.146195","DOIUrl":"https://doi.org/10.24425/amm.2023.146195","url":null,"abstract":"","PeriodicalId":8304,"journal":{"name":"Archives of Metallurgy and Materials","volume":"117 16","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138958988","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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