- Patent Title: Process for the moderately refractory assembling of articles made of SiC-based materials by non-reactive brazing in an oxidizing atmosphere, brazing compositions, and joint and assembly obtained by this process
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Application No.: US12548992Application Date: 2009-08-27
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Publication No.: US10093582B2Publication Date: 2018-10-09
- Inventor: Olivier Mailliart , Valérie Chaumat , Fiqiri Hodaj
- Applicant: Olivier Mailliart , Valérie Chaumat , Fiqiri Hodaj
- Applicant Address: FR Paris
- Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
- Current Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
- Current Assignee Address: FR Paris
- Agency: Miles & Stockbridge P.C.
- Priority: FR0855857 20080901
- Main IPC: C03B29/00
- IPC: C03B29/00 ; B32B27/00 ; B29C65/00 ; C04B35/44 ; C04B35/195 ; C04B35/22 ; C04B37/00
Abstract:
Process for the moderately refractory assembly of at least two articles made of silicon carbide-based materials by non-reactive brazing in an oxidizing atmosphere, in which the articles are placed in contact with a non-reactive brazing composition and the assembly formed by the articles and the brazing composition is heated in an oxidizing atmosphere at a brazing temperature sufficient to melt the brazing composition so as to form a moderately refractory joint, wherein the non-reactive brazing composition is a composition A composed of silica (SiO2), alumina (Al2O3) and calcium oxide (CaO), or alternatively a composition B composed of alumina (Al2O3), calcium oxide (Cao) and magnesium oxide (MgO).Brazing suspension, paste comprising a powder of said brazing composition and an organic binder.Refractory joint and assembly.
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