Invention Grant
- Patent Title: Gas mixture for forming protective coatings on graphite
- Patent Title (中): 用于在石墨上形成保护涂层的气体混合物
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Application No.: US3785994DApplication Date: 1960-09-23
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Publication No.: US3785994APublication Date: 1974-01-15
- Inventor: BOWMAN M , VIER D
- Applicant: BOWMAN M , VIER D
- Assignee: M Bowman,D Vier
- Current Assignee: M Bowman,D Vier
- Priority: US5813960 1960-09-23
- Main IPC: C04B35/52
- IPC: C04B35/52 ; C04B41/50 ; C04B41/87 ; G21C5/02 ; G21C15/08 ; C01B2/00 ; C23C13/02
Abstract:
A GASEOUS MIXTURE OF HYDROGEN, HYDROGEN CHLORIDE, AND A CHLORIDE OF TITANIUM, ZIRCONIUM OR NIOBIUM, WHICH PROVIDES PROTECTION FOR GRAPHITE SURFACES FROM HYDROGEN CORROSION AT TEMPERATURES GREATER THAN 1500*C. THE COMPOSITION OF THE MIXTURE IS SUCH THAT THE METAL CHLORIDE AND HYDROGEN REACT WITH GRAPHITE TO FORM A PROTECTIVE METAL CARBIDE LAYER.
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