Synthesis of yttrium-containing organoalumoxanes

Щербакова, Г. И.; Стороженко, П. А.; Кутинова, Н. Б.; Сидоров, Д. В.; Варфоломеев, М. С.; Кузнецова, М. Г.; Polyakova, M. V.; Chernyshev, A. E.; Drachev, A. I.; Yurkov, G. Yu.

doi:10.1134/s002016851210010x

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Cited by 13 publications

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“…where m, n = 3-12; s + t + 2r = 3; l + x + 2y + z = 3; R = Et, i Pr, or i Bu; R* = C(CH 3 )=CHC(O)CH 3 ; and R** = C(CH 3 )=CHC(O)OC 2 H 5 , were prepared as described elsewhere [4,5]. To produce binder mate rials, an appropriate amount of a solvent (aliphatic alcohol) was added to an yttrium containing orga noalumoxane, the reaction mixture was stirred until complete dissolution of the yttrium containing orga noalumoxane, and then samples for analysis (appear ance, viscosity, and wt % aluminum) were taken.…”

Section: Methodsmentioning

confidence: 99%

High-refractory ceramics based on alumina-yttria binders

et al. 2015

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Section: Methodsmentioning

confidence: 99%

High-refractory ceramics based on alumina-yttria binders

et al. 2015

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“…In our work we used an yttrium aluminum binder as a substitute for binding materials reactive to titanium alloys containing silica after firing [26].…”

Section: Introductionmentioning

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Solution to Technological Problems of Raising the Reliability and Quality of Castings Based on Titanium Alloys

Щербакова

Варфоломеев

Стороженко

2019

MSF

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We consider the problems of the complex application of the aluminium-yttrium binder in the fabrication of high-temperature resistant melting crucibles and investment molds thermoschemically resistant to titanium melts. The results of the contact interaction investigations of a molten titanium alloy with a material of aluminum-yttrium ceramics are presented. The usage of ceramic products of α-Al2O3–Y3Al5O12∙α-Al2O3 composition under conditions of high-temperature melting and pouring under vacuum minimizes the physicochemical interaction and significantly reduces the alpha case layer on cast products, thereby improving their operational properties.

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