YENİ İKİ TİP KOMPOZİT MATERYALİN MEKANİK ÖZELLİKLERİNİN KARŞILAŞTIRILMASI by Ali Rıza Çetin, Ahmet Ercan Hataysal, Bilal Aktaş

“…Her bir materyalden silindir şeklinde (10x2mm boyutlarında) 20’şer örnek hazırlandı ve sonrasında örneklerin Ra cinsinden yüzey pürüzlülüğü ve Vickers sertlik değerleri belirlendi. Daha sonra her bir materyalden (2x2x25 mm boyutunda) dikdörtgen şeklinde örnekler hazırlanarak, instron cihazında 1 mm/dk hızda bükme dayanımı değerleri belirlendi. …”
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Investigations of the Effect of Heat Treatment and Plastic Deformation Parameters on the Formability and Microstructure of AZ91 Alloy Castings by Krzysztof Majerski, Ewa Siemionek, Michał Szucki, Piotr Surdacki

“…At this stage, a visual assessment was made and samples without cracks were subjected supersaturation at 415 C for 6 h, and artificial aging at 175 C for 24 h. Vickers microhardness tests and microstructure assessment were carried out, at individual stages of testing. …”
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Acid Resistance of CAD/CAM Resin Composites by Leonie Schmohl, Anuschka Josephine Roesner, Florian Fuchs, Maximilian Wagner, Michael Benno Schmidt, Sebastian Hahnel, Angelika Rauch, Andreas Koenig

“…Changes in surface roughness (Sa) were detected by confocal laser scanning microscopy (CLSM), and changes in surface hardness were measured using Vickers hardness (HV). The damage mechanisms were analysed by scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDS) and micro X-ray computer tomography (µXCT). …”
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Room temperature plasticity of zirconia-yttria-titania ceramics: Experimental indications and structural modelling by Ussui Valter, Lazar Dolores Ribeiro Ricci, de Lima Nelson Batista, Arata Anelyse, Ribeiro Fabio Negreiros, Dalpian Gustavo Martini, Marchi Juliana, Paschoal José Octavio Armani

“…Sample characterizations were carried out by X-ray diffraction, scanning electron microscopy and mechanical properties through Vickers hardness and toughness measurements. Compared to the Y-TZP ceramics, the yttria stabilised tetragonal zirconia ceramics co-doped with 10mol%Ti showed noticeable increase of tetragonality parameter, higher toughness and lower hardness values, indicating plasticity at room temperature. …”
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Tunnel-structured willemite Zn2SiO4: Electronic structure, elastic, and thermal properties by Ruqiao Dai, Renfei Cheng, Jiemin Wang, Chao Zhang, Cuiyu Li, Hailong Wang, Xiaohui Wang, Yanchun Zhou

“…On the one hand, the elastic modulus, coefficient of thermal expansion (CTE), and thermal conductivity are low. Zn2SiO4 has low Vickers hardness of 6.6 GPa at 10 N and low thermal conductivity of 2.34 W/(m·K) at 1073 K. …”
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Influence of Nb Addition on α″ and ω Phase Stability and on Mechanical Properties in the Ti-12Mo-<i>x</i>Nb Stoichiometric System by Sinara Borborema, Vitor de Holanda Ferrer, Adriana da Cunha Rocha, Caio Marcello Felbinger Azevedo Cossú, Aline Raquel Vieira Nunes, Carlos Angelo Nunes, Loic Malet, Luiz Henrique de Almeida

“…Mechanical properties were based on Vickers microhardness tests and Young’s modulus measurements. …”
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Effect of TiB₂ Nanoparticle Content on the Microstructure and Mechanical Properties of TiB₂/Mg-4Al-1.5Si Composites by Jian Liu, Xiaogang Chen, Wuxiao Wang, Yu Zhao, Na He

“…As the TiB₂ content increased, the morphology of the eutectic Mg₂Si phases was modified from coarse Chinese characters to short rod or fine dot shapes. Vickers hardness and yield strength of the composites reached a maximum (153 HV and 90.9 MPa, respectively) when TiB₂ content was 5 vol.%, while the most superior ultimate tensile strength (142.4 MPa) and elongation (9.2%) were obtained when TiB₂ content was 3 vol.%, which were improved by 173.2%, 31.5%, 69.8%, and 187.5%, respectively compared with the Mg-4Al-1.5Si alloys.…”
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Synthesis and characterization of nano bioactive glass for improving enamel remineralization ability of casein phosphopeptide–amorphous calcium phosphate (CPP-ACP) by Tina Akbarzade, Abbas Farmany, Maryam Farhadian, Zahra Khamverdi, Ramtin Dastgir

“…The pastes were then applied on the tooth surfaces for 28 days. The Vickers microhardness of enamel surfaces was evaluated, and enamel surface morphology was assessed using scanning electron microscopy (SEM). …”
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Improved damage tolerance and oxidation resistance of (Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)B2–SiC by introducing chopped carbon fibers by Feilong Huang, Hailong Wang, Cheng Fang, Mingliang Li, Gang Shao, Jinpeng Zhu, Yanchun Zhou

“…Through microstructural analysis and Vickers indentation of the composite, the toughening mechanisms are disclosed. …”
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Microstructure and Properties of Laser Surface Remelting AlCoCrFeNi_2.1 High-Entropy Alloy by Jingrun Chen, Jing Zhang, Ke Li, Dongdong Zhuang, Qianhao Zang, Hongmei Chen, Yandi Lu, Bo Xu, Yan Zhang

“…The effects of laser surface remelting on the phase structure, microstructure, Vickers hardness, frictional wear properties, and corrosion resistance of the high-entropy alloy were investigated. …”
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Effect of Nb Addition on the Corrosion and Wear Resistance of Laser Clad AlCr2FeCoNi High-Entropy Alloy Coatings by Xiulin Ji, Kunpeng Guan, Yayun Bao, Zhongfa Mao, Fengtao Wang, Houfu Dai

“…Consequently, the HEA coatings exhibited a gradually increasing Vickers hardness, reaching a peak at HV 820. Despite a decline in corrosion resistance, there was a notable enhancement in wear resistance, and the friction of the HEA coating could be reduced by Nb addition. …”
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Synthesis and Properties of Polystyrene Composite Material with Hazelnut Shells by Natalia Igorevna Cherkashina, Zoya Vladimirovna Pavlenko, Dar’ya Vasil’yevna Pushkarskaya, Lyubov Vasilievna Denisova, Semen Nikolayevich Domarev, Dar’ya Aleksandrovna Ryzhikh

“….%, the flexural strength and Vickers hardness were quite low at the load of 200 g, and accordingly, the durability of such materials was not satisfactory. …”
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Effect of Accelerated Aging on Some Mechanical Properties and Wear of Different Commercial Dental Resin Composites by Jonne Oja, Lippo Lassila, Pekka K. Vallittu, Sufyan Garoushi

“…Three-point flexural test was used for determination of ultimate flexural strength (<i>n</i> = 8). A vickers indenter was used for testing surface microhardness. …”
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Accelerated multi-property screening of Fe–Co–Ni alloy libraries by hyper-heuristic combinatorial flow synthesis and high-throughput spark plasma sintering by Shakti P. Padhy, Li Ping Tan, Vijaykumar B. Varma, V. Chaudhary, Z. Tsakadze, R.V. Ramanujan

“…The saturation magnetization (Ms) varied from 83.3 emu/g to 225.2 emu/g, coercivity (Hc) from 17.5 Oe to 78.4 Oe, resistivity (ρ) from 17.2 μΩ·cm to 986.7 μΩ·cm, and Vickers hardness (HV) from 41.9 HV to 281.7 HV. Novel Fe–Co–Ni compositions, e.g., Fe36.5Co55.1Ni8.4 and Fe22.6Co73.4Ni4, with a promising multi-property set, were identified for the first time. …”
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Effect of homogenizing treatment on microstructure and microhardness of GH3536 and GH4169 alloy by selective laser melting by GENG Shuo, ZHANG Dongyun, LI Jianmin, YI Denghao, CHI Yujing, HUANG Shuai, ZHANG Xuejun

“…The defect characteristics and microstructure were investigated by OM，SEM，and EDS, et al. The Vickers hardness meter was used to test the alloy’s microhardness. …”
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Effect of nano TiC on microstructure and microhardness of composite additive manufacturing 316L stainless steel by Weiguang Yang, Xi Wang, Hai Zhou, Ti Zhou

“…The hardness of the strengthened layer was analyzed using a Vickers micro-hardness tester. The study found that the composite SLM/LMD formed samples changed continuously from LMD forming to SLM forming, showing good metallurgical bonding. …”
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Effect of Al Content on Phase Compositions of FeNiCoCrMo_0.5Al<i>_x</i> High Entropy Alloy by Anton Semikolenov, Svetlana Shalnova, Victor Klinkov, Valentina Andreeva, Maria Salynova, Tatiana Larionova, Oleg Tolochko

“…Cast samples were synthesized by induction melting and analyzed by X-ray diffraction, energy dispersive spectroscopy, scanning electron microscopy, and Vickers microhardness test methods. Phase compositions of these alloys in dependance on Al concentration consist of FCC solid solution, σ-phase, NiAl-based B2 phase, and BCC solid solution enriched with Mo and Cr. …”
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Microstructure and Properties of TiB₂ Composites Produced by Spark Plasma Sintering with the Addition of Ti₅Si₃ by Agnieszka Twardowska, Marcin Podsiadło, Iwona Sulima, Krzysztof Bryła, Paweł Hyjek

“…The hardness was determined using a diamond indenter of Vickers geometry loaded at 9.81 N. Friction–wear properties were tested in the dry sliding test in a ball-on-disc configuration, using WC as a counterpart material. …”
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Effects of heat treatment on the corrosion behavior and mechanical properties of aluminum alloy 2024 by Fatima Ezzohra El Garchani, Hassane Lgaz, Savaş Kaya, Han-Seung Lee, Sobhy M. Ibrahim, Maryam Chafiq, Young Gun Ko, Moulay Rachid Kabiri

“…Multiple tests, such as Vickers microhardness, optical microscopy, scanning electron microscopy (SEM), and tensile tests were performed. …”
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Study of the corrosion, electrical, and mechanical properties of aluminium metal composite reinforced with coconut rice and eggshell for wind turbine blade development by Imhade P. Okokpujie, Lagouge K. Tartibu, Kunle Babaremu, Collins Akinfaye, Adebayo T. Ogundipe, Esther T. Akinlabi

“…The stir-casting method was used in the preparation. Microstructures, Vickers hardness, tensile strength, electrical conductivity, and corrosion analysis (via the weight loss method) of the prepared composites were analysed. …”
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