Wetting of refractory titanium hard metals by sodium disilicate glass

McColm, Ian J.; Dimbylow, C.

doi:10.1007/bf00551850

Cited by 5 publications

(3 citation statements)

References 10 publications

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“…The seal with the La-doped glass was found to be 'fairly good' and attributed to the presence of very fine precipitates which gave a continuous structural transition from metal to glass. McColm and Dimbylow also investigated the wetting behaviour of sodium disilicate glass on Ti metal at 1000°C [22]. They reported a sublimate of sodium and silicon in the furnace after the sealing.…”

Section: ð8þmentioning

confidence: 99%

Recent developments in the preparation, characterization and applications of glass- and glass–ceramic-to-metal seals and coatings

et al. 2011

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There has, in recent years, been a major revival of interest in glass-and glass-ceramic-to-metal seals and coatings for new applications. Experience dictates that many factors need to be taken into consideration in the successful design and manufacture of high-quality seals, particularly if an adequate component lifetime is to be achieved. For example, during their preparation, undesirable reactions may occur between diffusing metal species and glass constituents, and these can lead to the formation of highly localized internal stresses, which can initiate failure of a seal either during manufacture or, more seriously, whilst in service due to the influence of static fatigue. In the case of high-temperature systems, reactions under hostile operating conditions also need to be taken into consideration. In this review, the factors learnt from past experience that influence the formation and lifetime behaviour of glass and glass-ceramic/metal systems are briefly introduced, and their relevance to the newer applications including solid oxide fuel cell sealants and coatings on titanium for biomedical applications is discussed.

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Section: ð8þmentioning

confidence: 99%

Recent developments in the preparation, characterization and applications of glass- and glass–ceramic-to-metal seals and coatings

et al. 2011

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“…In terms of extending their service temperature and life, the applications of protective coatings are essential. Glass or glass–ceramic coatings used for Ti usually lead to porous structure during preparation or produce undesired phases during long‐term high‐temperature oxidation 16–20 . Researchers 14,17,20 have attributed it to the occurrence of interfacial reactions between Ti and various glasses at high temperatures.…”

Section: Introductionmentioning

confidence: 99%

“…Glass or glass–ceramic coatings used for Ti usually lead to porous structure during preparation or produce undesired phases during long‐term high‐temperature oxidation 16–20 . Researchers 14,17,20 have attributed it to the occurrence of interfacial reactions between Ti and various glasses at high temperatures. Hermetic coatings of silicate glasses and boro‐aluminate glasses could be obtained by vitrifying at the lower sintering temperatures or adding traditional adhesion promoting oxides 14 .…”

Section: Introductionmentioning

confidence: 99%

The Oxidation and Oxygen Permeation Resistance of Quartz Particle-Reinforced Aluminosilicate Glass Coating on Titanium Alloy

Shen¹,

Zhu²,

Chen³

et al. 2011

Journal of the American Ceramic Society

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An aluminosilicate glass coating dispersed with quartz particles was prepared on Ti811 alloy by slurry technique to study its high-temperature performances. The coated and uncoated samples were exposed in air at 10001C for 50 h, and then characterized using scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction, and microhardness depth profile. Mass gains of the samples with and without coatings were measured during the oxidation. For the samples of Ti811 without the glass coating, thick rutile-TiO 2 scales were observed, within which several thin alumina layers presented. Typical oxygen permeation phenomenon was also observed. The mass gains of the samples with the glass coating were measured to be only about 1/10 of those of the samples without coatings, and the oxygen permeation phenomenon was prevented. A Ti 5 Si 3 /Ti 3 Al bilayer was observed beneath the coating, and believed to act as an oxygen diffusion barrier. In general, the quartz particlereinforced glass coating provided good protection of the alloy Ti811 from high-temperature oxidation and oxygen permeation.

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Preparation, properties and chemistry of glass- and glass-ceramic-to-metal seals and coatings

Donald

1993

JOURNAL OF MATERIALS SCIENCE

295

154

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Wetting of refractory titanium hard metals by sodium disilicate glass

Cited by 5 publications

References 10 publications

Recent developments in the preparation, characterization and applications of glass- and glass–ceramic-to-metal seals and coatings

Recent developments in the preparation, characterization and applications of glass- and glass–ceramic-to-metal seals and coatings

The Oxidation and Oxygen Permeation Resistance of Quartz Particle-Reinforced Aluminosilicate Glass Coating on Titanium Alloy

Preparation, properties and chemistry of glass- and glass-ceramic-to-metal seals and coatings

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