Effect of Nanosized Al&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; as Additive on the Sintering Characteristics and Vickers Hardness of Al&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;/Si&lt;sub&gt;3&lt;/sub&gt;N&lt;sub&gt;4&lt;/sub&gt; Compound Ceramics

Wang, Hui Fang; Hao, Sancun; Bi, Yu Bao; Yu, Ren

doi:10.4028/www.scientific.net/amr.214.178

Cited by 4 publications

(1 citation statement)

References 5 publications

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“…Figures 12, 13, and 14 showed the variation of microhardness of ENcoating with respect to Al 2 O 3 , SiO, and ZnO. At low % of nanoadditives the microhardness value is low; when there is of trend was obtained by earlier researchers after adding nanoadditivesss in their respective studies [20,21]. nanoadditivesss, the EN-coatings show better wear resistance.…”

Section: Variation Of Zno Seementioning

confidence: 83%

Effect of Nanoadditives with Surfactant on the Surface Characteristics of Electroless Nickel Coating on Magnesium-Based Composites Reinforced with MWCNT

Dhinakaran

Elansezhian

Lalitha

2013

Advances in Tribology

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An experimental investigation has been carried out on optimizing process parameters of electroless nickel-phosphorous coatings on magnesium composite reinforced with carbon nanotube. A comprehensive experimental study of electroless Ni-P coatings on magnesium composite reinforced with multiwalled carbon nanotube under specific coating conditions was performed. The electroless coating bath consists of nickel sulphate (26 g/L), sodium hypo-phosphite (30 g/L) as reducing agent, sodium acetate (16 g/L) as stabilizer, and ammonium hydrogen difluoride (8 g/L) as the complexing agent. The surfactant SLS was added in the solution for better wetting and spreading of coating on substrate. The stabilizer thiourea (1 ppm) was added in the bath to prevent decomposition of bath. Different nanoadditives such as ZnO, Al 2 O 3 , SiO with various concentrations were used in the bath and their influence on coating process characteristics were studied The nano additives such as ZnO, Al 2 O 3 , SiO were added at concentrations of 0.1%, 0.5%, 1%, and 2% in the EN bath. The output parameters such as surface roughness, microhardness, specific wear rate, and surface morphology were measured. Surface morphology was studied using scanning electron microscope. The results showed that the proposed method resulted in significant improvement on the quality of the coatings produced.

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Section: Variation Of Zno Seementioning

confidence: 83%

Effect of Nanoadditives with Surfactant on the Surface Characteristics of Electroless Nickel Coating on Magnesium-Based Composites Reinforced with MWCNT

Dhinakaran

Elansezhian

Lalitha

2013

Advances in Tribology

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The effect of oxygen vacancies on the optical and thermophysical properties of (1-x)Si3N4 – xAl2O3 ceramics

Borgekov,

Zhumazhanova,

Kaliyekperova

et al. 2024

Optical Materials

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Robust Hydrophobic Materials by Surface Modification in Transition-Metal Diborides

Gan

Liu

Zhang

et al. 2021

ACS Appl. Mater. Interfaces

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Exploring the hydrophobicity of robust conductors is significant for electronic devices to simultaneously be used in a wet environment and extreme conditions. However, a combination of conductivity, strong mechanical properties, and hydrophobicity in one material is hindered by the inherent features of the materials. A new kind of robust hydrophobic conductor is designed in transition-metal diborides (TMdBs: TiB 2 , ZrB 2 , and HfB 2 ) to break through this challenge. The results calculated by density functional theory indicate that high hardness comes from high shear and bulk modulus, which is consistent with experimental results (TiB 2 , 25.0 GPa; ZrB 2 , 17.5 GPa; HfB 2 , 21.5 GPa). The theoretical calculated results reveal that edge sides have a lower surface energy than basal plane (001) in TMdBs. Hence, the edge sides are exposed with a needle-like morphology in TMdBs. Moreover, needle-like surfaces exhibiting hydrophobicity have water contact angles of 132.0°(TiB 2 ), 116.8°(ZrB 2 ), and 114.0°(HfB 2 ). The hydrophobicity arises from a lower surface free energy of edge sides in TMdBs and a rough surface that reduces the contact area of water and a solid. This work develops a new kind of robust functional material in TMdBs.

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Effect of Nanosized Al<sub>2</sub>O<sub>3</sub> as Additive on the Sintering Characteristics and Vickers Hardness of Al<sub>2</sub>O<sub>3</sub>/Si<sub>3</sub>N<sub>4</sub> Compound Ceramics

Cited by 4 publications

References 5 publications

Effect of Nanoadditives with Surfactant on the Surface Characteristics of Electroless Nickel Coating on Magnesium-Based Composites Reinforced with MWCNT

Effect of Nanoadditives with Surfactant on the Surface Characteristics of Electroless Nickel Coating on Magnesium-Based Composites Reinforced with MWCNT

The effect of oxygen vacancies on the optical and thermophysical properties of (1-x)Si3N4 – xAl2O3 ceramics

Robust Hydrophobic Materials by Surface Modification in Transition-Metal Diborides

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