公开(公告)号：WO2022003132A1

公开(公告)日：2022-01-06

申请号：PCT/EP2021/068257

申请日：2021-07-01

Applicant: REFRATECHNIK HOLDING GMBH

Inventor： NEESE, Jasper ,  ROLLMANN, Steffen ,  KESSELHEIM, Bertram

IPC: C04B35/101 ,  C04B35/63 ,  C04B35/632 ,  C04B35/66 ,  C04B2235/3208 ,  C04B2235/3212 ,  C04B2235/3215 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3418 ,  C04B2235/3463 ,  C04B2235/445 ,  C04B2235/447 ,  C04B2235/448 ,  C04B2235/5212 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5463 ,  C04B2235/5472 ,  C04B2235/9669 ,  C04B2235/9676 ,  C04B35/6306 ,  C04B35/6309 ,  C04B35/6316

Abstract: Die vorliegende Erfindung betrifft ein Trockenstoffgemisch für einen Versatz, vorzugsweise einen Feuerbetonversatz, zur Herstellung eines grobkeramischen, feuerfesten, nicht basischen, geformten oder ungeformten Erzeugnisses, einen derartigen Feuerbetonversatz, ein derartiges Erzeugnis sowie ein Verfahren zu dessen Herstellung und eine Zustellung eines Industrieofens für die Aluminiumindustrie, und einen derartigen Industrieofen sowie eine Zustellung eines Rinnentransportsystems oder eines mobilen Transportgefäßes für die Aluminiumindustrie, und ein derartiges Rinnentransportsystem und ein derartiges Transportgefäß.

公开(公告)号：WO2022072705A2

公开(公告)日：2022-04-07

申请号：PCT/US2021/052981

申请日：2021-09-30

Applicant: HERAEUS CONAMIC NORTH AMERICA LLC

Inventor： WALKER, Luke ,  DONELON, Matthew, Joseph ,  THOMPSON, Lillian

IPC: B28B3/02 ,  B22F3/14 ,  B28B3/08 ,  B28B11/24 ,  B30B11/04 ,  C04B35/645 ,  B28B11/243 ,  B28B3/025 ,  B28B3/086 ,  B30B11/027 ,  B30B15/022 ,  B32B18/00 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3244 ,  C04B2235/5418 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5463 ,  C04B2235/5481 ,  C04B2235/608 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/6581 ,  C04B2235/662 ,  C04B2235/666 ,  C04B2235/72 ,  C04B2235/763 ,  C04B2235/764 ,  C04B2235/768 ,  C04B2235/77 ,  C04B2235/775 ,  C04B2235/782 ,  C04B2235/784 ,  C04B2235/786 ,  C04B2235/95 ,  C04B2235/96 ,  C04B2235/963 ,  C04B2237/34 ,  C04B2237/343 ,  C04B35/119 ,  C04B35/185 ,  C04B35/195 ,  C04B35/44 ,  C04B35/443 ,  C04B35/50 ,  C04B35/505 ,  C04B35/581 ,  C04B35/6263 ,  C04B41/009 ,  C04B41/5346 ,  C04B41/91

Abstract: A method of making a sintered ceramic body comprising the steps of disposing a ceramic powder (5) inside an inner volume of a spark plasma sintering tool (1), wherein the tool comprises: a die (2) comprising a sidewall comprising inner and outer walls, wherein the inner wall has a diameter defining the inner volume; upper and lower punches (4,4') operably coupled with the die, wherein each of the punches have an outer wall defining a diameter less than the diameter of the die inner wall, thereby creating a gap (3) between the punches and the inner wall when at least one of the punches are moved within the inner volume, and the gap is from 10 μm to 70 μm wide; creating vacuum conditions inside the inner volume; moving at least one of the punches to apply pressure to the ceramic powder while heating, and sintering; and lowering the temperature of the sintered body.

公开(公告)号：WO2021120636A1

公开(公告)日：2021-06-24

申请号：PCT/CN2020/106966

申请日：2020-08-05

Applicant: 华中科技大学

Inventor： 李晨辉 ,  邹阳 ,  史玉升 ,  胡梁 ,  刘江安 ,  吴甲民

IPC: C04B35/565 ,  B29C64/153 ,  C04B35/83 ,  B33Y10/00 ,  C04B2235/428 ,  C04B2235/48 ,  C04B2235/5248 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/616 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/661 ,  C04B2235/665 ,  C04B2235/96 ,  C04B35/573 ,  C04B35/622 ,  C04B35/64

Abstract: 一种3D打印制备碳纤维增强SiC陶瓷基复合材料的方法，该方法包括：将SiC粉体与短切碳纤维、粘结剂混合得到混合粉体；利用混合粉体进行激光选区烧结成形，得到SiC/短切碳纤维生坯；将SiC/短切碳纤维生坯表面清粉后进行碳化处理，然后对其浸渗有机碳前驱体溶液，干燥后进行二次碳化处理得到SiC/短切碳纤维/碳素坯；采用液相渗硅法对其进行致密化处理，获得碳纤维增强SiC陶瓷基复合材料。二次碳化不仅可以借助碳前驱体固化热解后残留相，增大坯体强度便于后续操作，而且有利于短切碳纤维增韧作用的发挥；此外，碳化裂解后形成的空间网状次生碳可以进一步增强复合材料的力学性能。

公开(公告)号：WO2022269011A1

公开(公告)日：2022-12-29

申请号：PCT/EP2022/067280

申请日：2022-06-23

Applicant: S.A. LHOIST RECHERCHE ET DÉVELOPPEMENT

Inventor： FIRSBACH, Felix Georg ,  HOULDWORTH, Ian ,  CHUNLAMANI, Souliyann

IPC: C04B35/043 ,  C04B35/057 ,  C04B35/622 ,  C04B35/66 ,  C04B41/52 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3272 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5472 ,  C04B2235/72 ,  C04B2235/728 ,  C04B2235/9615 ,  C04B2235/9669 ,  C04B35/62222

Abstract: The present invention relates to a composition [composition (C), herein-after] suitable for hot repairing refractories, comprising a particulate mixture consisting of at least one first fraction consisting of first particles having a first chemical composition and at least one second fraction consisting of second particles having a second chemical composition, wherein the first fraction has a first d50 particle size value between 0.5 - 10 mm and the at least one second fraction has a second d50 particle size value which is wherein the ratio between the second d50 particle size value of the second fraction and the first d50 particle size value of the first fraction is from 0.05 to 0.95, and wherein the first chemical composition, relative to the total weight of the first chemical composition comprises: - from 20.0 wt.% to 45.0 wt.% of at least one first magnesium oxide compound, as expressed in wt.% of MgO; - from 40.0 wt.% to 60.0 wt.% of at least one calcium oxide compound, as expressed in wt.% of CaO; - from 5.0 wt.% to 12.0 wt.% of at least one iron oxide compound, as expressed in wt.% of Fe2O3, and wherein the second chemical composition comprises at least one second magnesium oxide compound, wherein the total content of the first and the second magnesium oxide compounds in the particulate mixture, relative to the total weight of the particulate mixture is from 30.0 to 80.0 wt.%, as expressed in wt.% of MgO. The invention further relates to methods for manufacturing of the composition (C), and to method for hot-repairing a refractory lining (L) wherein said refractory lining (L) is hot-repaired with the composition (C).

公开(公告)号：WO2022003269A1

公开(公告)日：2022-01-06

申请号：PCT/FR2021/051123

申请日：2021-06-21

Applicant: SAFRAN CERAMICS ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  UNIVERSITE DE BORDEAUX

Inventor： DELEHOUZE, Arnaud ,  BOUILLON, Eric ,  BERTRAND, Nathalie, Dominique ,  GUETTE, Alain, Jean-Michel ,  EL MANSOURI, Armine

IPC: C23C16/02 ,  C23C16/26 ,  C23C16/34 ,  C23C16/442 ,  C04B35/628 ,  C23C16/44 ,  B01J8/18 ,  F27B15/00 ,  F27B15/20 ,  C04B35/565 ,  C04B35/80 ,  C04B2235/3826 ,  C04B2235/5244 ,  C04B2235/5248 ,  C04B2235/526 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B35/62868 ,  C04B35/62871 ,  C04B35/62873 ,  C04B35/62884 ,  C23C16/0209 ,  C23C16/342 ,  C23C16/4417

Abstract: L'invention concerne un procédé de revêtement de fibres courtes par dépôt chimique en phase vapeur en lit fluidisé dans lequel les fibres courtes sont séparées les unes des autres durant le revêtement par l'ajout de particules d'espacement.

公开(公告)号：WO2021123363A1

公开(公告)日：2021-06-24

申请号：PCT/EP2020/087296

申请日：2020-12-18

Applicant: REFRATECHNIK HOLDING GMBH

Inventor： KLISCHAT, Hans-Jürgen ,  VELLMER, Carsten ,  WIRSING, Holger

IPC: C04B35/043 ,  C04B35/64 ,  C04B35/66 ,  C04B35/443 ,  C04B2111/00431 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3272 ,  C04B2235/3418 ,  C04B2235/5427 ,  C04B2235/5463 ,  C04B2235/606 ,  C04B2235/72 ,  C04B2235/725 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2235/9615 ,  C04B35/0435 ,  C04B35/6303 ,  C04B35/6306 ,  C04B35/6316 ,  C04B35/632 ,  C04B35/63476 ,  C04B35/636 ,  C04B38/0074

Abstract: Die vorliegende Erfindung betrifft einen trockenen Versatz zur Herstellung eines grobkeramischen feuerfesten basischen, geformten Erzeugnisses, ein derartiges Erzeugnis sowie ein Verfahren zu dessen Herstellung und eine Zustellung eines Industrieofens und einen Industrieofen.