FR3091866B1 - Billes frittees d’alumine-zircone - Google Patents

Billes frittees d’alumine-zircone Download PDF

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FR3091866B1
FR3091866B1 FR1900449A FR1900449A FR3091866B1 FR 3091866 B1 FR3091866 B1 FR 3091866B1 FR 1900449 A FR1900449 A FR 1900449A FR 1900449 A FR1900449 A FR 1900449A FR 3091866 B1 FR3091866 B1 FR 3091866B1
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Prior art keywords
zirconia
cubic
hfo2
quadratic
zro2
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FR1900449A
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FR3091866A1 (fr
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Emmanuel Nonnet
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Priority to FR1900449A priority Critical patent/FR3091866B1/fr
Priority to PCT/EP2020/051178 priority patent/WO2020148446A1/fr
Priority to KR1020217025590A priority patent/KR20210113664A/ko
Priority to EP20701934.0A priority patent/EP3911617A1/fr
Priority to CN202080022898.6A priority patent/CN113614050A/zh
Priority to US17/423,431 priority patent/US20220153650A1/en
Publication of FR3091866A1 publication Critical patent/FR3091866A1/fr
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/486—Fine ceramics
    • C04B35/488—Composites
    • C04B35/4885—Composites with aluminium oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
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  • Compositions Of Oxide Ceramics (AREA)

Abstract

Titre : BILLES FRITTEES D’ALUMINE-ZIRCONE Bille frittée présentant : - la composition cristallographique suivante, en pourcentages en masse sur la base de la masse totale des phases cristallisées et pour un total de 100% : - zircon < 25% ; - 50% ≤ zircone cubique + zircone quadratique ≤ 95%, le taux de zircone cubique étant supérieur à 50%, le taux de zircone cubique étant le rapport massique (zircone cubique / (zircone cubique + zircone quadratique)) ; - 0 ≤ zircone monoclinique ≤ (10 - 0,2*zircone quadratique)% ; - 5% ≤ corindon ≤ 50% ; - phases cristallisées autres que zircon, zircone cubique, zircone quadratique, zircone monoclinique et corindon < 10% ; - la composition chimique suivante, en pourcentages en masse sur la base des oxydes : 34% ≤ ZrO2 + HfO2, ZrO2 + HfO2 étant le complément à 100% ; HfO2 ≤ 4,0% ; 0,5% ≤ SiO2 ≤ 14,1% ; 4,5% ≤ Al2O3 ≤ 49,6% ; 2,75% ≤ Y2O3 ≤ 22,8% ; MgO ≤ 5% ; CaO ≤ 2% ; oxydes autres que ZrO2, HfO2, SiO2, Al2O3, MgO, CaO et Y2O3 < 5,0%. Pas de figure d’abrégé
FR1900449A 2019-01-18 2019-01-18 Billes frittees d’alumine-zircone Active FR3091866B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1900449A FR3091866B1 (fr) 2019-01-18 2019-01-18 Billes frittees d’alumine-zircone
PCT/EP2020/051178 WO2020148446A1 (fr) 2019-01-18 2020-01-17 Billes frittees d'alumine-zircone
KR1020217025590A KR20210113664A (ko) 2019-01-18 2020-01-17 소결 알루미나-지르코니아 볼
EP20701934.0A EP3911617A1 (fr) 2019-01-18 2020-01-17 Billes frittees d'alumine-zircone
CN202080022898.6A CN113614050A (zh) 2019-01-18 2020-01-17 烧结的氧化铝-氧化锆球
US17/423,431 US20220153650A1 (en) 2019-01-18 2020-01-17 Sintered alumina-zirconia balls

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FR2882749B1 (fr) * 2005-03-01 2007-04-27 Saint Gobain Ct Recherches Bille frittee a base de zircone et d'oxyde de cerium
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DE102013106372B4 (de) * 2013-06-19 2018-08-23 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Schleifkörner auf Basis von eutektischem Zirkonkorund
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BE1021335B1 (fr) * 2014-07-16 2015-11-03 Magotteaux International S.A. Grains ceramiques et procede pour leur production.
JP7053460B2 (ja) * 2015-10-19 2022-04-12 サン－ゴバン サントル ドゥ ルシェルシェ エ デトゥードゥ ユーロペン 溶融スピネル－ジルコニア粒子、及びこの粒子から得られる耐火材料

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CN113614050A (zh) 2021-11-05
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US20220153650A1 (en) 2022-05-19
EP3911617A1 (fr) 2021-11-24

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