Surface hardness
Braz. Dent. J. vol.25 número1
... in surface hardness is proportional to the increase in the CHX concentration, because of the changes in the powder/liquid ratio ...and surface hardness of the material ...
5
Braz. oral res. vol.22 número4
... the surface hardness ...higher hardness value for the incisal shade, in comparison with the resin samples within the same commercial ...Z250) hardness value when compared to the enamel and ...
6
Braz. Dent. J. vol.24 número6
... of surface hardness (14) and compressive strength (4), as well as scanning electron microscopy (SEM) to check the influence of AAA on the properties of ...
6
Braz. Dent. J. vol.21 número1
... for surface hardness was completed on a bench lathe (P134R; Nevone, São Paulo, SP, Brazil) with a roller brush, pumice stone paste (Herjos lot 05794; Probem, São Paulo, SP, Brazil) and water for 15 s, ...
5
J. Appl. Oral Sci. vol.23 número3
... of surface microhardness ...and surface hardness and polarized light ...higher hardness values, followed by GSE. Regarding the cross-sectional hardness values, all groups behaved ...
8
Corrosion Behavior of Plasma Nitrided and Nitrocarburised Supermartensitic Stainless Steel
... As indicated by the X-ray diffractograms (Fig. 2) very broad and overlapped diffraction lines result for both nitriding and nitrocarburising at 400°C. Increasing temperature leads to more crystalline-like patterns. For ...
9
Mat. Res. vol.13 número4
... presents hardness measurements of the samples surface. Hardness values of 1240, 1172 and 950 HV ...lesser hardness than 1200-1300 HV probably due to the elastic-plastic deformation field which ...
6
Braz. Dent. J. vol.18 número1
... their surface altered, which will interfere with their ...resin surface, this action is ...composite hardness (12), other studies state that there is, in fact, a direct correlation between these ...
5
Effects of Acid Treatment on Dental Zirconia: An In Vitro Study.
... no surface treatment, while those in the Cage group were hydrothermally aged at 134°C and ...strength, surface roughness, and surface Vickers hardness were measured after ...and surface ...
12
J. Appl. Oral Sci. vol.20 número5
... lower surface of the composite resin specimens light cured with the LCUs covered with barriers are shown in Table ...upper surface hardness, the VHNs were signiicantly higher in all groups light ...
5
Application of desirability function for optimizing the performance characteristics of carbonitrided bushes
... optimising surface hardness alone would give a surface hardness almost on target but would result in a case depth of ...a surface hardness of 560.28 far away from the ...
10
J. Appl. Oral Sci. vol.21 número2
... The effect of different solutions on the surface hardness values of the restorative materials were tested using Bonferroni’s multiple comparison tests, and it was observed that specim[r] ...
8
Rev. IBRACON Estrut. Mater. vol.8 número2
... the surface hardness of concrete and through correlations with calibrated results allow the determination of the compressive strength of ...the hardness tests, the structural elements were scanned in ...
12
J. Appl. Oral Sci. vol.22 número5
... The addition of 0.5% silver vanadate to the acrylic resin resulted in higher surface hardness and compressive strength values, indicating that a small percentage of nanometric particl[r] ...
8
J. Appl. Oral Sci. vol.25 número6
... pH-cycling. Surface hardness and synchrotron micro-tomography were used to determine the percentage of surface hardness recovery (%SHR) and to calculate mineral concentration (g HAp ...
8
Mat. Res. vol.18 número2
... The surface morphology and elemental composition of the nitride layer were investigated by a Jeol-JSM-5910 scanning electron microscope (SEM) equipped with energy dispersive x-ray spectroscopy (EDS) attachment ...
7
RGO, Rev. Gaúch. Odontol. vol.63 número4
... of surface porosity when analyzed after ...this surface layer of samples that had chemically polishing. The surface hardness levels were reduced after the chemical polishing, and increased ...
8
Analysis of Within-Test Variability of Non-Destructive Test Methods to Evaluate Compressive Strength of Normal Vibrated and Self-Compacting Concretes
... the surface hardness test, ultrasonic pulse velocity test, pull-out test and maturity test, but with small differences when compared to correlations obtained in normal vibrated concrete with the same level ...
11
Braz. Dent. J. vol.27 número3
... by surface hardness (SH) and randomized into four treatment groups (n=12): non-F dentifrice (negative control), low-F dentifrice (500 μg F/g), low-F acidulated dentifrice (550 μg F/g) and 1,100 μg F/g ...
5
Matéria (Rio J.) vol.22 número2
... sample surface and ball, increases it will give rise to a larger penetration depth for the abrasive particles into the ...The hardness of the sample is one of the important parameters involved in this ...
13