公开(公告)号：US11072022B2

公开(公告)日：2021-07-27

申请号：US15743370

申请日：2016-07-08

Applicant: ImerTech SAS

Inventor： Thomas Krumrei ,  Scot Graddick ,  Danilo Frulli ,  Joachim Wolff

IPC: B22C1/18 ,  C04B35/14 ,  C04B35/622 ,  C04B35/18 ,  B22C9/12 ,  C04B35/119 ,  C04B35/626 ,  C04B35/63 ,  B22C1/16

Abstract: The present invention relates to investment casting moulds comprising a furnace dust, wherein said furnace dust comprises ZrO2 and/or Al2O3. The present invention also relates to investment casting moulds comprising a metal oxide dust comprising ZrO2 and one or more materials selected from alumina, silica and aluminosilicate, and wherein said metal oxide dust has a d50 of 10 μm or less. The invention also relates to compositions for the production of investment casting moulds, the use of dusts in the formation of investment casting moulds, and the use of investment casting moulds of the invention.