PL437232A1 - Sposób otrzymywania kompozytu wysokoogniotrwałego z węglika boru i związku międzymetalicznego z układu Ti-Si - Google Patents

Sposób otrzymywania kompozytu wysokoogniotrwałego z węglika boru i związku międzymetalicznego z układu Ti-Si

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PL437232A1
PL437232A1 PL437232A PL43723221A PL437232A1 PL 437232 A1 PL437232 A1 PL 437232A1 PL 437232 A PL437232 A PL 437232A PL 43723221 A PL43723221 A PL 43723221A PL 437232 A1 PL437232 A1 PL 437232A1
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sub
boron carbide
composite
minutes
temperature
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PL437232A
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English (en)
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PL243571B1 (pl
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Dawid Kozień
Zbigniew Pędzich
Leszek Chlubny
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Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
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Priority to PL437232A priority Critical patent/PL243571B1/pl
Priority to EP21210716.3A priority patent/EP4056540B1/en
Publication of PL437232A1 publication Critical patent/PL437232A1/pl
Publication of PL243571B1 publication Critical patent/PL243571B1/pl

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Abstract

Wynalazek dotyczy sposobu otrzymywania kompozytu wysokoogniotrwałego z węglika boru i związku międzymetalicznego z układu Ti-Si, przeznaczonego na elementy turbin gazowych, elementy silników rakietowych i elementy konstrukcyjne pojazdów latających, eksploatowane w wysokich temperaturach. Kompozyt ten należy do grupy ultrawysokotemperaturowych materiałów ceramicznych (UHTC). Sposób polega na tym, że do proszku węglika boru B<sub>4</sub>C dodaje się krzemek tytanu Ti<sub>5</sub>Si<sub>3</sub> oraz węgiel C, w stosunku molowym B<sub>4</sub>C:Ti<sub>5</sub>Si<sub>3</sub>:C wynoszącym 5:2:1. Następnie całość miesza się w środowisku alkoholu izopropylowego przez 20 - 60 minut i suszy do całkowitego odparowania alkoholu przez 20 - 120 minut, po czym wstępnie formuje się kształtki i poddaje je prasowaniu izostatycznemu pod ciśnieniem 100 - 200 MPa. Uzyskane wypraski poddaje się procesowi spiekania swobodnego w atmosferze argonu, w temperaturze 1650 - 1750°C, z przyrostem temperatury wynoszącym 2 - 10°C/minutę oraz czasem przetrzymania w temperaturze maksymalnej wynoszącym 5 - 30 minut, uzyskując kompozyt TiB<sub>2</sub>-TiC-SiC-Ti<sub>5</sub>Si<sub>3</sub>, składający się wagowo z 70,0 – 75,0% TiB<sub>2</sub>, 0,5 – 2,5% TiC, 20,0 - 27,5% SiC oraz 0,2 -1,0% Ti<sub>5</sub>Si<sub>3</sub>. Wydajność procesu wynosi co najmniej 99%.
PL437232A 2021-03-08 2021-03-08 Sposób otrzymywania kompozytu wysokoogniotrwałego z węglika boru i związku międzymetalicznego z układu Ti-Si PL243571B1 (pl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL437232A PL243571B1 (pl) 2021-03-08 2021-03-08 Sposób otrzymywania kompozytu wysokoogniotrwałego z węglika boru i związku międzymetalicznego z układu Ti-Si
EP21210716.3A EP4056540B1 (en) 2021-03-08 2021-11-26 Method for obtaining a high refractory composite from boron carbide and intermetallic compound of the ti-si system

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PL437232A PL243571B1 (pl) 2021-03-08 2021-03-08 Sposób otrzymywania kompozytu wysokoogniotrwałego z węglika boru i związku międzymetalicznego z układu Ti-Si

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PL243571B1 PL243571B1 (pl) 2023-09-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4289805A1 (en) 2022-06-06 2023-12-13 Akademia Gorniczo-Hutnicza im. Stanislawa Staszica w Krakowie Method for manufacturing a cutting tool from a highly refractory composite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117303906B (zh) * 2023-09-19 2025-05-27 哈尔滨理工大学 多形态微结构SiC-TiB2-Ti3SiC2强化的复合陶瓷及其制备方法和应用
CN117362013B (zh) * 2023-11-07 2025-12-26 河南熔金高温材料股份有限公司 一种添加钛精矿的高温烧成Al-Al2O3滑板砖及其生产方法

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Publication number Priority date Publication date Assignee Title
US4990180A (en) * 1988-07-28 1991-02-05 The United States Of America As Represented By The United States Department Of Energy Combustion synthesis of low exothermic component rich composites
WO2007115592A1 (en) * 2006-04-10 2007-10-18 Universita' Degli Studi Di Cagliari Process for the preparation of dense ultra-high-temperature composite products
PL245041B1 (pl) 2018-03-27 2024-04-29 Instytut Zaawansowanych Tech Wytwarzania Kompozyt ceramiczny z grupy UHTC na bazie dwuborku hafnu i sposób jego wytwarzania
CN108484171B (zh) 2018-04-08 2021-01-26 北京理工大学 一种碳化硼-硼化钛复相陶瓷材料及其无压烧结制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4289805A1 (en) 2022-06-06 2023-12-13 Akademia Gorniczo-Hutnicza im. Stanislawa Staszica w Krakowie Method for manufacturing a cutting tool from a highly refractory composite

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PL243571B1 (pl) 2023-09-11
EP4056540B1 (en) 2023-11-15
EP4056540A1 (en) 2022-09-14
EP4056540C0 (en) 2023-11-15

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