Effect of Nitrogen Gas Post-Curing and Printer Type on the Mechanical Properties of 3D-Printed Hard Occlusal Splint Material by Junichiro Wada, Kanae Wada, Mona Gibreel, Noriyuki Wakabayashi, Tsutomu Iwamoto, Pekka K. Vallittu, Lippo Lassila

“…Flexural strength, flexural modulus, Vickers hardness number (VHN), fracture toughness, degree of double bond conversion (DC), 3D microlayer structure, water sorption, and water solubility were evaluated. …”
Get full text

Effect of Sintering Temperature on Microstructure and Mechanical Properties of Hot-Pressed Fe/FeAl₂O₄ Composite by Kuai Zhang, Yungang Li, Hongyan Yan, Chuang Wang, Hui Li, Jinglong Liang, Jie Dang

“…At this temperature, the grain size of Fe and FeAl₂O₄ phases in Fe/FeAl₂O₄ composite was uniform, the relative density was 96.7%, and the Vickers hardness and bending strength were 1.88 GPa and 280.0 MPa, respectively. …”
Get full text

Top priority current path between SiC particles during ultra-high temperature flash sintering: Presence of PyC “bridges” by Le Lu, Tianlong Liu, Zhaofeng Chen, Fei Wang, Mengmeng Yang, Qiong Wu, Lixia Yang, Huanyong Li

“…The results showed that the porosity of the SiC ceramics after the flash sintering was reduced to 14.79% with PyC “bridges” introduced, and the Vickers hardness reached 19.62 GPa. PyC “bridges” gradually evolved from amorphous eddy current carbon to oriented graphite carbon, indicating that the ultra-high temperature environment in which the sample was located during the flash sintering was successfully constructed. …”
Get full text

Effect of nano-TiO2 particles addition on dissimilar AA2024 and AA2014 based composite developed by friction stir process technique by Shashi Prakash Dwivedi, Shubham Sharma, Changhe Li, Yanbin Zhang, Abhinav Kumar, Rajesh Singh, Sayed M. Eldin, Mohamed Abbas

“…The microstructure, hardness, and tensile properties of the composite samples were assessed using scanning electron microscopy (SEM), Vickers hardness tester, and tensile testing machine respectively. …”
Get full text

3Y-TZP electrostatic painting to increase bond strength to dentin and dental prostheses by Alessandro Brito Thomaz, Carlos Nelson Elias, Heraldo Elias Salomão dos Santos, Celso Renato de Souza Resende, Claudinei dos Santos

“…The samples were characterized by X-ray diffraction, scanning electron microscopy, Vickers hardness, 3D roughness, and cytotoxicity. …”
Get full text

Comparison and Analysis of Diffusion Models: Growth Kinetics of Diiron Boride Layers on ASTM A283 Steel by Martín Ortiz-Domínguez, Oscar Armando Gómez-Vargas, Mariana Bárcenas-Castañeda, Víctor Augusto Castellanos-Escamilla

“…The tribological characterizations, including the tests of Rockwell-C indentation, pin-on-disc, and Vickers hardness test method, were used to analyze the antiwear features of the Fe₂B layers. …”
Get full text

Reactive Sintering of Al₂O₃–Y₃Al₅O₁₂ Ceramic Composites Obtained by Direct Ink Writing by Joana Baltazar, Manuel Fellipe Rodrigues Pais Alves, Claudinei dos Santos, Susana Olhero

“…Samples sintered at 1600 °C and 1650 °C presented similar average Vickers hardness values of 14.2 ± 0.27 GPa and 14.5 ± 0.25 GPa, respectively. …”
Get full text

Microstructure and Corrosive Wear Properties of CoCrFeNiMn High-Entropy Alloy Coatings by Haodong Wang, Jiajie Kang, Wen Yue, Guo Jin, Runjie Li, Yongkuan Zhou, Jian Liang, Yuyun Yang

“…The two types of coatings achieve maximum hardness after vacuum heat treatment at 500 °C; the Vickers microhardness of CS-500 °C and HVOF-500 °C are 487.6 and 352.4 HV_0.1, respectively. …”
Get full text

Investigation of the Phase Composition, Structural, Mechanical, and Dielectric Properties of (1 − x)∙ZrO₂-x∙CeO₂ Ceramics Synthesized by the Solid-State Metho... by Sholpan G. Giniyatova, Rafael I. Shakirzyanov, Yuriy A. Garanin, Nurzhan A. Sailaukhanov, Artem L. Kozlovskiy, Natalia O. Volodina, Dmitriy I. Shlimas, Daryn B. Borgekov

“…For the characterization of samples, XRD, Raman spectroscopy, SEM, the Vickers Microhardness Test, and dielectric spectroscopy were implemented. …”
Get full text

Effect of sintering temperature on phase evolution, microstructure, and mechanical properties of La2Ce2O7/40 wt.% YSZ composite ceramics by Ivana Parchovianská, Milan Parchovianský, Aleksandra Nowicka, Anna Prnová, Peter Švančárek, Amirhossein Pakseresht

“…The associated mechanical properties of LC40Z ceramics were also reported. The Vickers hardness values increased with increasing sintering temperature, which is consistent with the microstructure evolution and relative density variations. …”
Get full text

Exploring the properties of Dy2O3–Y2O3 Co-activated telluro-borate glass: Structural, physical, optical, thermal, and mechanical properties by Hammam Abdurabu Thabit, Abd Khamim Ismail, M.H.A. Mhareb, D.A. Abdulmalik, Abdullahi I, Abdo Mohammed Al-Fakih, Y.S.M. Alajerami, S.Hashim

“…Hence, the low symmetrical features of both Bi3+ and Dy3+ ions were confirmed. The increase in the Vickers hardness of the glass from 536.7 to 1366.9 indicates the influence of Y2O3 addition on the mechanical properties of the glasses. …”
Get full text

Effect of shelf-storage temperature on degree of conversion and microhardness of composite restorative materials by Omar Abd El-Maksoud, Hamdi Hosni Hamdan Hamama, Ramy Ahmed Wafaie, Noha El-Wassefy, Salah Hasab Mahmoud

“…Microhardness was evaluated using micro-Vickers hardness tester under a load of 50 g with a dwell time of 10 s. …”
Get full text

Rheological Properties, Surface Microhardness, and Dentin Shear Bond Strength of Resin-Modified Glass Ionomer Cements Containing Methacrylate-Functionalized Polyacids and Spherical... by Whithipa Thepveera, Wisitsin Potiprapanpong, Arnit Toneluck, Somruethai Channasanon, Chutikarn Khamsuk, Naruporn Monmaturapoj, Siriporn Tanodekaew, Piyaphong Panpisut

“…Rheological properties were examined using a strain-controlled rheometer (n = 5). The Vickers microhardness (n = 5) and dentin shear bond strength (SBS) (n = 10) of the materials were tested. …”
Get full text

Aging behavior of Cu-rich precipitates in Fe-3% Si-Cu alloy by Huimin Zhang, Chengyuan Zhang, Zhongwang Wu, Xueyun Gao, Lei Xing, Zili Jin, Huiping Ren

“…In order to study the dynamic behavior of the aging precipitations, the microstructure and the aging precipitation behavior of copper-rich phase in these alloys under different aging heat treatment were tested by OM, TEM technology and Vickers hardness. The results show that the amount of the copper-rich precipitates in the two alloys are gradually increase with the aging time going after aging treated at 600 °C. …”
Get full text

Effects of Postcuring Temperature on the Mechanical Properties and Biocompatibility of Three-Dimensional Printed Dental Resin Material by Enkhjargal Bayarsaikhan, Jung-Hwa Lim, Seung-Ho Shin, Kyu-Hyung Park, Young-Bum Park, Jae-Hoon Lee, Jong-Eun Kim

“…Therefore, we postprocessed 3D printed denture teeth resin under different postcuring temperatures (40, 60 and 80 °C) for different periods (15, 30, 60, 90 and 120 min), and evaluated their flexural properties, Vickers hardness, cell cytotoxicity, cell viability, and protein adsorption. …”
Get full text

Preparation and Properties of Ti-TiN-Zr-ZrN Multilayer Films on Titanium Alloy Surface by LIN Song-sheng, ZHOU Ke-song, DAI Ming-jiang, SHI Qian, HU Fang, HOU Hui-jun, WEI Chun-bei, LIU Jian-wu

“…The results indicate that the Vickers-hardness of the multilayer film with thickness of 5.8<i>μ</i>m can reach up to 28.10GPa. …”
Get full text

Evaluation of the effect of nanohydroxyapatite-containing toothpaste and mouthwash on remineralization of early enamel caries and occluding of dentinal tubules by Abdolrahim Davari, Farnaz Farahat, Sepideh Abbasi

“…Then, the specimens were cut in the buccolingual direction in order to simultaneously evaluate the dentinal tubules and Vickers microhardness test was performed again and the before and after microhardness values were compared. …”
Get full text

Microstructure characterization and mechanical behaviour of laser additive manufactured ultrahigh-strength M54 steel by Zhong-Chao Zhao, Jing Ning, Jie Su, Qing-Wei Jiang, Geng Liu, Ding-Hui Liu, Qi Gao, Ao Wang

“…The ductility and toughness are also largely anisotropic, and their reduction in the transverse direction is only 1/3 of that in the longitudinal direction. The Vickers hardness of the microstructure increases slightly from the bottom to the middle and upper part of the sample due to less thermal cycling in the upper part.…”
Get full text

Combined effect of tungsten inert gas welding and roller expansion processes on mechanical and metallurgical characteristics of heat exchanger tube-to-tubesheet joints by Dinu Thomas Thekkuden, Abdel-Hamid Ismail Mourad, Tholkappiyan Ramachandran, Abdel-Hakim Bouzid, Ravi Kumar, Ahmed Alzamly

“…The minimum leak path of the welds was satisfactorily above two-thirds of the tube wall thickness. Vickers hardness was restricted at the adjacent regions of weld to below 250 HV. …”
Get full text

Influence of the Chemical Composition on the Phase Stability and Mechanical Properties of Biomedical Ti-Nb-Mo-Zr Alloys by Aline Raquel Vieira Nunes, Sinara Borborema, Leonardo Sales Araújo, Taissa Zangerolami Lopes Rodrigues, Loïc Malet, Jean Dille, Luiz Henrique de Almeida

“…Young’s modulus was determined by the impulse excitation technique and Vickers microhardness. The purpose of the study was to define an optimal chemical composition for the further production on a semi-industrial scale of a new Ti-Nb-Mo-Zr alloy for orthopedic implant manufacturing. …”
Get full text