Ion-beam deposition of tourmaline film on glass

Liu, Shimin; Li, D.C.; Hu, Wenqiang; Qin, Guoqiang; Li, L.F.

doi:10.1016/j.jnoncrysol.2006.11.052

Cited by 4 publications

(3 citation statements)

References 6 publications

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“…Tourmaline's density is 2.8 to 3.3 g.cm −3 (similar to diopside), dependent on actual iron-richness. An approximately 170 nm thick tourmaline film was deposited on glass by an ion-beam [27], however, nothing similar has been reported using plasma. Processing of material that melts incongruently (in the case of tourmaline, it is mainly because of the OH group in its structure) is a challenge for plasma spraying techniques.…”

Section: Introductionmentioning

confidence: 86%

Plasma Spray Coatings of Natural Ores From Structural, Mechanical, Thermal, and Dielectric Viewpoints

et al. 2019

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Various natural materials, namely ilmenite, diopside, tourmaline, olivine, garnet, and basalt, were plasma-sprayed and analyzed. This paper summarizes the various achievements of our earlier research and adds new results—mainly dielectric and optical characterizations. Plasma spraying of all of the materials was rather easy with a high feed-rate plasma system, which could process many kilograms of powder per hour. For easier characterizations, the coatings were detached from substrates in order to remain self-supporting. The plasma-sprayed layers that were coated from all studied materials acted as medium-permittivity and low-loss dielectrics, antireflective optical materials, and medium quality anti-abrasive barriers. Phase composition and microhardness were evaluated in addition to microstructure observations. Some coatings were amorphous and crystallized after further heating. As the melting points were well above 1000 °C, all of them could also serve as thermal barriers for aluminum alloys and similar metals. The only material that was not easily sprayed was tourmaline, which gave very porous coatings without environmental barrier or dielectric characteristics.

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Section: Introductionmentioning

confidence: 86%

Plasma Spray Coatings of Natural Ores From Structural, Mechanical, Thermal, and Dielectric Viewpoints

et al. 2019

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“…It also can generate the oxygen ions [2] [3] and far-infrared electromagnetic radiation [4] [5] to benefit human health. If tourmaline can be loaded onto polymeric fibers or other composites, its applications can be further expanded to functional health-care products or special light & electrical functional materials [6]- [8].…”

Section: Introductionmentioning

confidence: 99%

The Studies on the Surface Organic Modification of Tourmaline Powder with Stearic Acid and Its Composite

Hu¹

2014

OJCM

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Stearic acid modified tourmaline powder had been investigated to improve the compatibility and dispersed stability between tourmaline and polymer matrix. The experimental results indicated that the activation index was 100% and contact angle reached 120˚ when the ratio of the ore slurry is 5:50, the dosage of stearic acid and p-toluenesulfonic acid is 10% and 0.5% (of tourmaline powder's quantity) respectively with reaction at 80˚C for 6.0 h, and the modified tourmaline exhibited an excellent hydrophobic property. The introduction of stearic groups reduced the reunion of tourmaline particles clearly and improved the dispersivity in polymers, and the amount of negative ions released of modified tourmaline increased obviously for both modified tourmaline powders and its composite with polyamide-66 compared to the unmodified tourmaline. Moreover, the structure of modified tourmaline was also characterized by means of Fourier Transform infrared spectroscopy, X-ray diffraction, thermal gravimetric analysis, scanning electron microscope.

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“…In another work by the same team a discoloration of Rhodamine B dyeing wastewater is described (Xu, Prasad, and Liu, 2009b). Liu et al (2008) deposited a tourmaline film about 170 nm thick on glass by ion beam. However, tourmaline had never been processed by plasma spray before this work.…”

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confidence: 99%

Natural tourmaline as an efficient alternative to ceramic-type material for plasma spraying

Ctibor¹,

Nevrlá²,

Pala³

et al. 2018

J. S. Afr. Inst. Min. Metall.

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Ion-beam deposition of tourmaline film on glass

Cited by 4 publications

References 6 publications

Plasma Spray Coatings of Natural Ores From Structural, Mechanical, Thermal, and Dielectric Viewpoints

Plasma Spray Coatings of Natural Ores From Structural, Mechanical, Thermal, and Dielectric Viewpoints

The Studies on the Surface Organic Modification of Tourmaline Powder with Stearic Acid and Its Composite

Natural tourmaline as an efficient alternative to ceramic-type material for plasma spraying

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