vickers hardness
Chemical analysis and Vickers hardness of orthodontic mini-implants
... the hardness (Vickers hardness) and chemical composition of mini- implant titanium alloys from five commercial ...The hardness and chemical composition of the titanium alloys were performed by ...
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Effect of a post-polymerization treatments on the flexural strength and vickers hardness of reline and acrylic denture base resins
... 10 minutes (reline materials) or 60 minutes (L); and microwave irradiation. Flexural strength tests were performed at a crosshead speed of 5 mm/min using a three-point bending device with a span of 50 mm. The flexural ...
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J. Appl. Oral Sci. vol.17 número6
... Regarding Vickers hardness analysis, ANOVA showed that the VHN was significantly affected by the composite materials (p<0.001) and the post-cure treatments (p<0.001). The highest VHN was found for ...
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Application of the plasticity characteristic determined by the indentation technique for evaluation of mechanical properties of coatings: II. guidelines to coating development and processing control
... for TiC-coating alloyed with a small amount of iron and the one obtained for an unalloyed bulk compound are found to be quite similar if only the carbon content in them was comparable, i.e. C/Ti ≈ 0.9. The results ...
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Mat. Res. vol.18 número2
... the Vickers Hardness HV for ZK60 alloy sheets produced by TRC and sequential warm ...the hardness of the as rolled sheets has greatly improved with the increase of rolling ...The hardness of ...
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Mat. Res. vol.19 número2
... The Vickers hardness measurements for the experimental groups of the study are shown in ...The Vickers hardness immediately after photo-polymerization at the top surface of the specimens (0 ...
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Mat. Res. vol.15 número1
... and Vickers hardness tests from which it was concluded that the best combination of properties are obtained by submitting the metal to Equal Channel Angular Pressing (four passes at 300 °C) followed by a ...
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Mat. Res. vol.11 número3
... the Vickers hardness of three acrylic resins (Duralay - G1, Dencrilay - G2, and Dencor - G3), all shade 66, indicated for provisional fixed ...the Vickers microhardness test, which indicated that ...
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Soldag. insp. vol.22 número1
... Abstract: The effect of torch weaving on the microstructure, tensile strength, impact resistance and fracturing in robotic welded joints using varing welding speeds, voltages and currents was evaluated through ...
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Effects of Acid Treatment on Dental Zirconia: An In Vitro Study.
... surface Vickers hardness were measured after ...surface hardness and deteriorated the sur- face finish, while 5% HF acid immersion only decreased the surface ...
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Braz. Dent. J. vol.17 número2
... the Vickers hardness of commercially pure titanium and Ti- 6Al-4V cast ...and hardness was measured. Vickers hardness means (VHN) and standard deviations were analyzed statistically by ...
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Efeito do tipo de resina e técnica de inserção no desempenho biomecânico de restauração de molares com grande perda estrutural
... modulus, hardness Vickers, cuspal deflections and stress generated in molars class ...the Vickers hardness and elastic modulus of the composites at five depths of the cavity ...modulus, ...
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Matéria (Rio J.) vol.15 número1
... of Vickers hardness testing is modelled with three- dimensional elements making use of commercial explicit finite element ...the Vickers indentation ...
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Estudo do comportamento físico da dopada com ferro
... The bioceramic called hydroxyapatite (HA) is a biocompatible material which can be an important tool in hyperthermy applications for the treatment of bony cancer. In this work the effect of the addition of Fe ions in the ...
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Mat. Res. vol.12 número4
... that hardness and coercive force changes are function of the molybdenum content and aging time ...variation. Vickers hardness and coercive force both increase with the increase of molybdenum content ...
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Mat. Res. vol.11 número3
... For the lithium disilicate glass-ceramic (E2), the results are pre- sented in Table 2. No statistical differences were observed in biaxial flexure strength, Young’s modulus and Poisson’s ratio regardless of the ...
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A Comparati ve Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
... conventional Vickers hardness profiles as a function of applied load for the different working temperatures and ...The Vickers hardness for the samples nitrided at a working temperature of 300 ...
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SERVIÇO PÚBLICO FEDERAL MINISTÉRIO DA EDUCAÇÃO UNIVERSIDADE FEDERAL DE UBERLÂNDIA FACULDADE DE ODONTOLOGIA PROGRAMA DE PÓS-GRADUAÇÃO EM ODONTOLOGIA
... Objective: Radiotherapy may be necessary to treat patients with osseointegrated implants that have been development head and neck cancer, which impair the implant secondary stability and also the surrounding bone ...
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Mat. Res. vol.12 número2
... conventional Vickers hardness profiles as a function of applied load for the different working temperatures and ...The Vickers hardness for the samples nitrided at a working temperature of 300 ...
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Amaral, Inês Palos Peres do
... teste Vickers são classificados como testes de microdureza e o seu penetrador tem forma piramidal enquanto os testes Brinell e Rockwell são testes de macrodureza (Anusavise, 2003; Noort, ...
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