Synergic Effects of Nanosecond Laser Ablation and PVD-Coating on Cemented Carbides: Assessment on Surface and Mechanical Integrity by Shiqi Fang, Luis Llanes, Y. B. Guo, Dirk Bähre

“…Mechanical integrity was evaluated in terms of indentation and sliding contact responses using Vickers hardness and scratch tests, respectively, the latter including frictional, penetrating, and sliding performances under selected surface processing conditions. …”
Get full text

Microstructure and Mechanical Characteristics of Ti-Ta Alloys before and after NaOH Treatment and Their Behavior in Simulated Body Fluid by Iosif Hulka, Julia Claudia Mirza-Rosca, Dragos Buzdugan, Adriana Saceleanu

“…Using low loads, the Vickers hardness test revealed increased hardness values for the alkali-treated samples. …”
Get full text

Characterization of Microstructure, Phase Composition, and Mechanical Behavior of Ballistic Steels by Waseem Khan, Muhammad Tufail, Ali Dad Chandio

“…This was followed by characterization using tensile, Charpy, micro-Vickers, nanoindentation, XRD, SEM-EDS and corrosion tests. …”
Get full text

Microstructure and wear resistance of laser cladding nano TiC/micro TiB2/C-276 composite coatings on 316L stainless steel by He Liu, Xi Wang, Yuzhen Yu, Weiguang Yang, Hanpeng Gao

“…The microstructure and mechanical properties were analyzed by metallographic microscopy, scanning electron microscopy (SEM), x-ray diffraction (XRD), Vickers hardness experiments, and friction and wear testing. …”
Get full text

Transient Microstructure Evolutions and Local Properties of Dual-Phase 980 MPa Grade Steel Via Friction Stir Spot Processing by Koichi Taniguchi, Yong Chae Lim, Alexis Flores-Betancourt, Zhili Feng

“…Friction stir spot processed steel samples were characterized by optical and electron microscopies. Furthermore, Vickers microhardness and nano-indentation measurements were used to study local mechanical properties for correlation with microstructures. …”
Get full text

Effect of Potassium Iodide and Glutathione on Color Change and Remineralization Potential Induced by Silver Diamine Fluoride Application by Salma Mohammed ElSabaa, Ahmed El Banna, Dina Ahmed El Refai

“…To examine the effect of remineralization, 21 bovine dentin blocks were divided into groups I-III: SDF, SDF + KI, and SDF + GSH. Vickers microhardness was measured, before and after demineralization and after 7 days of treatment. …”
Get full text

A fresh class of superconducting and hard pentaborides by Hui Xie, Hong Wang, Fang Qin, Wei Han, Suxin Wang, Youchun Wang, Fubo Tian, Defang Duan

“…These compounds exhibit both superconductivity and high hardness, with the maximum superconducting transition temperature Tc of 18.6 K being achieved in RbB5 and the peak Vickers hardness Hv of 35.1 GPa being achieved in KB5 at 1 atm. …”
Get full text

Effect of Laser Scanning Speed and Fine Shot Peening on Pore Characteristics, Hardness, and Residual Stress of Ti-6Al-4V Fabricated by Laser Powder Bed Fusion by Kanawat Ratanapongpien, Anak Khantachawana, Katsuyoshi Kondoh

“…This study investigated the effect of laser scanning speed and fine shot peening on the pore characteristics, hardness, and residual stress of Ti-6Al-4V fabricated by laser powder bed fusion using scanning electron microscopy, X-ray micro-computed tomography, Vickers hardness, and X-ray diffraction. As the laser scanning speed increased, the number of pores and pore size increased, which reduced the hardness of Ti-6Al-4V. …”
Get full text

Influence of Bath Hydrodynamics on the Micromechanical Properties of Electrodeposited Nickel-Cobalt Alloys by Isman Khazi, Ulrich Mescheder, Jürgen Wilde

“…Consecutively, the measured Vickers microhardness values increased by 43% (i.e., from 393 HV0.01 to 692 HV0.01) and by 33% (i.e., from 255 HV0.01 to 381 HV0.01) for nickel-cobalt and nickel coatings, respectively, which fits well with the Hall–Petch relation.…”
Get full text

Effect of CO2 Laser Fluence in Cladding Process on the Microstructure of Cold Rolled 0.2 % Carbon Steel by Suhair Hussein, Mohammed Kadhim, Mahdi Hanon

“…The microhardness was evaluated using Vickerʼs microhardness test. The microstructure of the substrate was ferrite and pearlite transformed to martensite at the region adjacent to the clad interface. …”
Get full text

Effect of Wet and Dry Finishing and Polishing Technique on Microhardness and Flexural Strength of Nanocomposite Resins by Amir Ghasemi, Anoosh Mohammadzadeh, Mehdi Molaei, Seyedeh Mahsa Sheikh-Al-Eslamian, Mandana Karimi

“…The flexural strength test and microhardness test were measured by a 3-point bending test using a universal testing machine, and a Vickers machine, respectively. Data were analyzed by Kolmogorov–Smirnov, two-way ANOVA, and Tukey HSD tests. …”
Get full text

Effect of ambient pH and different chewing cycle of contact wear on dental composite material by Efe Çetn Yilmaz, Recep Sadeler, Zeynep Yesil Duymuş, Alper Özdoğan

“…Specimen's microhardness values determined with Vickers hardness method before chewing tests. Mean volume loss values were determined using noncontact three-dimensional (3D) laser scanning device. …”
Get full text

Nanostructured bainite transformation characteristics in medium-carbon steel subjected to ausforming and isothermal holding below martensite start temperature by Pentti Kaikkonen, Sumit Ghosh, Mahesh Somani, Jukka Kömi

“…Due to a remarkable refinement of the bainitic structure achieved by prior ausforming in samples held below MS, the Vickers hardness improved appreciably unlike in the case of samples held above MS. …”
Get full text

The Effect of Ag Addition on the Enhancement of the Thermal and Mechanical Properties of CuZrAl Bulk Metallic Glasses by Tsan-Man Chung, Sheng-Rui Jian, Pei-Ju Hsieh

“…In this study, the thermal and mechanical properties of Cu50−xZr43Al7Agx (x = 0, 3, 4, 5, 6) bulk metallic glasses (BMGs) are investigated by using an X-ray diffractometer (XRD), a differential scanning calorimeter (DSC), differential thermal analysis (DTA), a Vickers hardness tester, a material test system (MTS), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). …”
Get full text

Comparison of surface roughness and hardness of three different brands of esthetic coated NiTi archwires: invitro study by Amira A. Aboalnaga, Amal M. El Shahawi

“…Hardness testing was performed using Digital Vickers hardness tester. ANOVA and Kruskal-Wallis tests were used for comparing the wire groups. …”
Get full text

Fabrication of AlCoCrFeNi High-Entropy Alloy Coating on an AISI 304 Substrate via a CoFe₂Ni Intermediate Layer by Wenyuan Cui, Sreekar Karnati, Xinchang Zhang, Elizabeth Burns, Frank Liou

“…Investigations into the microstructure, phase composition, elemental composition and Vickers hardness were carried out in this study. Consistent metallurgical bonding was observed along both of the interfaces. …”
Get full text

Investigation on the growth, characterization and computational analysis of 2-Amino-2-thiazoline single crystals by H. Jude Leonard Hilary, P.C. Jobe Prabakar, G. Vijayakumar, S.G. Rejith, J. Divya, V. Sathana

“…The mechanical roughness of the crystal has been characterized by Vickers's micro hardness test. It has been reported, that the variations in dielectric constant and loss for frequencies and temperature were observed for AMTZ crystals. …”
Get full text

PICN Nanocomposite as Dental CAD/CAM Block Comparable to Human Tooth in Terms of Hardness and Flexural Modulus by Yohei Kawajiri, Hiroshi Ikeda, Yuki Nagamatsu, Chihiro Masaki, Ryuji Hosokawa, Hiroshi Shimizu

“…The flexural strength of the PICN composite block (107.8–153.7 MPa) was similar to a commercial resin-based composite, while the Vickers hardness (204.8–299.2) and flexural modulus (13.0–22.2 GPa) were similar to human enamel and dentin, respectively. …”
Get full text

Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials by Ali Forouzanfar, Pouria Hasanpour, Yasaman Yazdandoust, Hosein Bagheri, Hamideh Sadat Mohammadipour

“…Before and after brushing cycles, color variables (ΔL, Δa, Δb), total color change (ΔE), plus Vickers microhardness were evaluated. Two samples of each group were prepared for surface roughness assessment via atomic force microscope. …”
Get full text

Efficient Sintering of Mo Matrix Composites—A Study of Temperature Dependences and the Use of the Sinter Additive Ni by Ievgen Solodkyi, Vadym Petrusha, Mihai Alexandru Grigoroscuta, Janett Schmelzer, Georg Hasemann, Ulf Betke, Petre Badica, Manja Krüger

“…The composite with the maximum relative density of 98% showed a Vickers hardness of 482 ± 9 (HV20). The potential of using Ni-activated PLS and SPS to produce high-density MMC is shown.…”
Get full text