Results 61 to 70 of about 111,237 (217)
Journal of Dental Sciences, 2012 Background/purpose: Acrylic dentures frequently fracture during service due to their poor strength characteristics. The aim of this study was to evaluate the effects of adding 0.5–5 wt% aluminum oxide (Al2O3) powder on the flexural strength, surface ...
Mahroo Vojdani +2 more
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TecnoLógicas, 2017 Ceramic materials hardness is usually determined by Vickers microindentation, which requires rigorous sample preparation and highly demanding analysis of traces turning this method difficult to use in industrial applications.
Daniel Zuluaga-Castrillón +4 more
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Fracture and Structural Integrity, 2018 Welding is a technique of fusion joining the material involving a process of inter-molecular diffusion adhesion. Polymer welding is an assembly method among several known assembly techniques such as gluing. This welding process applies to thermoplastics;
Hachellaf kaddour +3 more
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Mechanical Properties of Ni-Cr-Al Alloy Cold Drawn Bar [PDF]
TeshugangIn this paper， the preparation of Ni-Cr-Al alloy by the smelting process of 200 kg vacuum induction + vacuum arc remelting（VIM+VAR） was analyzed by means of tensile test at room temperature， optical microscope and hardness test （/%：0.01C， 0.10-0.20Si， 0 ...
Liu Junkai, Yu Yipeng, Shen Yaqiu, Wang Jing, Luo Xi, Zhang Jiansheng
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Medžiagotyra, 2018 EComposite hardfacings produced by Plasma Transferred Arc Welding (PTAW) and Submerged Arc Welding (SAW) possess a good combination of hardness, wear resistance and fracture toughness, thus providing high wear resistance.
Taavi SIMSON +5 more
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Microstructure Characterisation, Hardness, and Corrosion Behaviour of Nickel-Silicon Carbide Electrodeposition Coating with The Influence of Ultrasonic Agitation [PDF]
Archives of Metallurgy and MaterialsThis study is about the electrodeposition of Ni-SiC composite coatings at various ultrasonic agitation temperatures (50, 55, and 60°C). The coatings were characterised by a scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS ...
A. Loganathan +5 more
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Saudi Journal of Oral Sciences, 2014 Background: The restorative materials used in dentistry are required to have long-term durability in the oral cavity. Effect of various fluids in the oral environment can affect the hardness of these restorations.
Rohit Ashok Antony Fernandez +3 more
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Indentation Size Effect on the Hardness of Silicon Carbide Ceramics [PDF]
Kemija u Industriji, 2010 The Vickers hardness of CVD SiC ceramics is determined as a function of the indentation load. Vickers hardness pyramid-shaped sharp diamond indenter with angle between opposite faces at an angle of 136° was used to apply five indentation loads of 4.91; 9.
.Grilec, K:, Rede, V., Ćurković, L.
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The Impact of Damage in Inconel 718 on Hardness Measured by the Vickers Method
Fatigue of Aircraft Structures, 2015 To prevent failure of machine components it is necessary to measure material damage generated in a component throughout its entire lifetime. Damage can be quantified by means of damage parameters.
Malicki Maciej, Madejski Bartosz
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