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81
EXPERIMENTAL STUDY THE MECHANICAL PROPERTIES OF GMAW WELDING RESULTS ON S355J2+N MATERIAL WITH POST WELD HEAT TREATMENT (PWHT)
Published 2025-01-01“…The research method uses experiments with PWHT temperatures at 450 °C, 750 °C, and non-PWHT to find out the mechanical properties of materials, use the tensile test and micro-Vickers hardness test. Meanwhile, to determine the microstructure formed is used micro examination. …”
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82
Postprocessing Study for the Controllable Structures of Ceramic Green Parts Realized by a Flexible Binder Jetting Printing (BJP) Solution
Published 2020-01-01“…In comparison, high-density specimens performing poor infiltration obtained limited density increment after final sintering, but better mechanical properties and surface strengthening were realized, exhibiting final densities, flexural strength, comprehensive strength, surface roughness Ra, and Vickers hardness of 70.1%, 63.22 MPa, 450.18 MPa, 9.73 μm, and 4.58 GPa, respectively. …”
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83
Development of Newly Formulated Nanoalumina-/Alkasite-Based Restorative Material
Published 2021-01-01“…Surface microhardness and roughness were evaluated using the Vickers microhardness test and surface profilometer, respectively. …”
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84
Synergistic Sintering of Lignite Fly Ash and Steelmaking Residues towards Sustainable Compacted Ceramics
Published 2017-01-01“…Moreover, the shrinkage, apparent density, water absorption, and Vickers microhardness (HV) were investigated at different sintering temperatures and raw material compositions. …”
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85
Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials
Published 2023-01-01“…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. …”
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86
In-situ synthesized WC reinforcement phase on microstructural evolution, toughness and tribological properties of Mo2FeB2-based composite coatings fabricated by laser cladding
Published 2025-01-01“…Microhardness was measured by a Vickers microhardness tester and analyzed using an optical microscope. …”
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87
The effect of high temperature deformation on the austenite reversion transformation and η-Ni3Ti precipitation behavior in a Ti–Mo maraging steel
Published 2025-01-01“…The above metallurgical phenomenon was further verified by Vickers hardness measurement. For example, under the fixed ageing temperature of 520 °C, the distributions of HV0.1 values were 480–680 and 370–660, respectively, for Ti–Mo PHSSs subjected to hot deformation strains of 35 % and 70 %, respectively. …”
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88
Characteristics of Nanophase WC and WC-3 wt% (Ni, Co, and Fe) Alloys Using a Rapid Sintering Process for the Application of Friction Stir Processing Tools
Published 2015-01-01“…Even though no phase changes were observed after the ball milling process the phases of W2C and WC1-x appeared in all sintered samples after sintering. The Vickers hardness and fracture toughness of the WC, WC-3 wt% Ni, WC-3 wt% Co, and WC-3 wt% Fe samples ranged from 2,240 kg mm2 to 2,730 kg mm2 and from 6.3 MPa·m1/2 to 9.1 MPa·m1/2, respectively.…”
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89
Evaluation the effect of sesame oil on root dentin microhardness after application of chloroform and orange oil as gutta percha solvents (an in- vitro study).
Published 2022-12-01“…The root halves from each group were subject to Vickers hardness test to measure micro hardness, then sesame oil were applied by bonding brush for 15 mint on each root dentin surface from all groups finally all roots subject to vicker hardness test to obtain the final micro hardness values. …”
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90
In Vitro Effect of Mouthrinses on the Microhardness of Three Different Nanohybrid Composite Resins
Published 2023-01-01“…The present study aimed to compare Vickers microhardness (VHN) in vitro of nanohybrid composite resins (NCRs) immersed in mouthrinses. …”
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91
Antibiofilm effect of Nano chitosan and calcium hydroxide intracanal medications and their effects on the microhardness and chemical structure of radicular dentine
Published 2025-01-01“…For the effect on microhardness, 56 specimens were subjected to Vicker’s microhardness test before and after 1 week, and 4 weeks of medication application. …”
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92
Synthesis, Mechanical, and Tribological Performance Analysis of Stir-Casted AA7079: ZrO2 + Si3N4 Hybrid Composites by Taguchi Route
Published 2021-01-01“…The prepared stir-casted materials are tested by wear analysis and microhardness analysis, through Pin-on-Disc wear tester and Vickers hardness tester, respectively. Wear parameters are optimized, the minimum wear rate is evaluated, and also the wear worn-out surfaces are examined through SEM analysis.…”
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93
Effect of the Electrolyte Temperature and the Current Density on a Layer Microhardness Generated by the Anodic Aluminium Oxidation
Published 2015-01-01“…The paper investigates the influence of the chemical composition and temperature of electrolyte, the oxidation time, voltage, and the current density on Vickers microhardness of aluminium oxide layers, at the same time. …”
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94
Effect of three different intracanal medications on canal wall cleanliness and radicular dentin microhardness
Published 2023-12-01“…The other half of each specimen was used to measure dentin microhardness using the Vickers Microhardness Tester. Statistical analysis was done. …”
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95
Experimental Study on Water-Jet Shock Microforming Process Using Different Incident Pressures
Published 2020-01-01“…In this experiment, a KEYENCE VHX-1000C digital microscope, confocal laser-scanning microscope (Axio CSM 700), and micro-Vickers hardness tester were utilized to observe the forming depth, surface quality, thickness distribution, and section hardness distributions under different incident pressures. …”
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96
Effect of Four Bleaching Regimens on Color Changes and Microhardness of Dental Nanofilled Composite
Published 2009-01-01“…Color measurements were made with spectrophotometer using CIELAB color scale. The Vickers hardness (VHN) measurements were performed at the top surface. …”
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97
Evaluating Mechanical Properties of Few Layers MoS2 Nanosheets-Polymer Composites
Published 2017-01-01“…The high aspect ratio of MoS2 nanosheets, homogeneous dispersion inside polymer, and their probable planar orientation are the possible reasons for the effective stress transfer, resulting in enhanced mechanical characteristics. Moreover, the micro-Vickers hardness (HV) of the MoS2-PS is also improved from 19 (PS) to 23 (0.002 Vf MoS2-PS) as MoS2 nanosheets inclusion may hinder the deformation more effectively.…”
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98
Hardness characteristics of as-cast Ni-Ru-Zr alloys
Published 2021-01-01“…The Vickers hardness of 21 as-cast Ni-Ru-Zr alloys of different compositions were studied, and nanohardness indentations were done on the individual phases. …”
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99
Effect of Adding Silica Nanoparticles on the Physicochemical Properties, Antimicrobial Action, and the Hardness of Dental Stone Type 4
Published 2022-01-01“…Agar diffusion test was carried out for the prepared samples against the Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) to test the average growth inhibition zones. Finally, the Vickers surface hardness test was performed for each group using a hardness tester. …”
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100
The Influence Mechanism of Deformation on the Precipitation Behavior and Mechanical Properties of 7075 Aluminum Alloy During Hot Forming-Quenching Integrated Process
Published 2024-12-01“…The aging time required for peak Vickers hardness decreased with increasing deformation ratio, reflecting the promotion of precipitated phase formation and transformation by introduced dislocations. …”
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