The influence of process parameters and heat treatment on the properties of cold sprayed silver coatings

Chavan, Naveen Manhar; Ramakrishna, M.; Phani, P. Sudharshan; Rao, D. Srinivasa; Sundararajan, G.

doi:10.1016/j.surfcoat.2011.04.063

Cited by 61 publications

(12 citation statements)

References 30 publications

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“…Another study has also shown the porosity of these veneering ceramics fired 10 times to be less pronounced than that of those fired twice [2]. The results of this previous study are consistent with those of several investigations that showed that these surfaces are more porous, rougher, or both [50][51][52]. The increase in hardness is probably a very relevant piece of information for attempts to increase resistance to fatigue and prevent premature material failures.…”

Section: Discussionsupporting

confidence: 88%

Influences of multiple firings and aging on surface roughness, strength and hardness of veneering ceramics for zirconia frameworks

Tang

Luo

Bai

et al. 2015

Journal of Dentistry

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Section: Discussionsupporting

confidence: 88%

Influences of multiple firings and aging on surface roughness, strength and hardness of veneering ceramics for zirconia frameworks

Tang

Luo

Bai

et al. 2015

Journal of Dentistry

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“…They stated that this situation was associated with the porosity and density of the material. In other studies similar to this study, they also reported that the hardness increased as the density of material increased but its porosity decreased [40][41][42][43] . Hardness, which affects the finishability, polishability, and occlusal wear resistance of restorative material, is an important property 44) .…”

Section: Discussionsupporting

confidence: 84%

The effect of heat treatments applied to superstructure porcelain on the mechanical properties and microstructure of lithium disilicate glass ceramics

Özdemir

Özdoğan

2018

Dent. Mater. J.

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The aim of this study was to investigate that heat treatments with different numbers applied to superstructure porcelain whether effects microstructure and mechanical properties of lithium disilicate ceramic (LDC). Eighty disc-shaped specimens were fabricated from IPS e.max Press. Specimens were fired at heating values of porcelain in different numbers and divided four groups (n=5). Initial Vickers hardness were measured and X-ray diffraction (XRD) analysis was performed. Different surface treatment were applied and then Vickers hardness, surface roughness and environmental scanning electron microscopy (ESEM) analysis were performed. Data were analyzed with Varyans analysis and Tukey HSD test (α=0.05). Initial hardness among groups was no significant different (p>0.05), but hardness and surface roughness after surface treatments were significant different (p<0.05). Lithium disilicate (LD) peaks decrease depended on firing numbers. ESEM observations showed that firing number and surface treatments effect microstructure of LDC. Increasing firing numbers and surface treatments effect the microstructure of LDC.

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“…This may be because of the porosity or roughness of the surface. A number of investigations have revealed that the porosity or roughness of the surface is greater and the hardness is less pronounced [37][38][39] . The results of this study showed that the open porosity of all aged specimens to be greater than that of the unaged specimens and the surfaces of all aged specimens were rougher than those of all unaged specimens except those treated with e.max.…”

Section: Discussionmentioning

confidence: 99%

The influences of accelerated aging on mechanical properties of veneering ceramics used for zirconia restorations

Luo

Tang

Dong

et al. 2016

Dental Materials Journal

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This study evaluated the influences of accelerated aging on the mechanical properties of veneering ceramics used for zirconia frameworks. Five different veneering ceramics for zirconia frameworks were used. Twenty specimens were fabricated for each veneering ceramic. All specimens were divided into two groups. One was subjected to accelerated aging and the other was used as a control. Accelerated aging was performed in distilled water for 5 h at 200ºC and 2 atm. The density, open porosity, surface roughness, three-point flexural strength, and Vickers hardness were measured. The results showed that the density, open porosity, and surface roughness of all examined veneering ceramics were changed by the accelerated aging process. Accelerated aging was also found to have a positive effect on strength and a negative effect on the hardness.

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The influence of process parameters and heat treatment on the properties of cold sprayed silver coatings

Cited by 61 publications

References 30 publications

Influences of multiple firings and aging on surface roughness, strength and hardness of veneering ceramics for zirconia frameworks

Influences of multiple firings and aging on surface roughness, strength and hardness of veneering ceramics for zirconia frameworks

The effect of heat treatments applied to superstructure porcelain on the mechanical properties and microstructure of lithium disilicate glass ceramics

The influences of accelerated aging on mechanical properties of veneering ceramics used for zirconia restorations

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