Material for flattening internal weld joint of platinum channel as well as preparation method and application of material
By using materials composed of platinum powder, iridium alloy powder, binder and rare earth oxide, materials for flattening of welds in the platinum channel are prepared, which solves the problems of low flatness and poor corrosion resistance in traditional welds, and achieves flattening and long life of welds.
CN119566620APending Publication Date: 2025-03-07SICHUAN SHUWANG CHENSHENG NEW MATERIALS CO LTD
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Patent Information
- Application Number
- CN202411765874.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-03-07
AI Technical Summary
Technical Problem
The welds in traditional platinum channels are low in flatness, are susceptible to glass liquid corrosion, and are prone to weld cracking or breaking under high temperature and high current environments, which affects the performance and life.
Method used
Materials composed of platinum powder, iridium alloy powder, binder and rare earth oxide are prepared by mixing and ball milling processes, and sintered under vacuum or inert gas protection to form flat welds.
Benefits of technology
It achieves flattening, corrosion resistance and long life of the weld in a high-temperature liquid glass environment, and extends the service life of the platinum channel.
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Abstract
The invention discloses a material for flattening an internal weld joint of a platinum channel as well as a preparation method and application of the material, and belongs to the technical field of glass production. According to the technical scheme, the platinum-iridium alloy composite material comprises the following components in percentage by mass: 50-80% of platinum powder, 10-35% of iridium alloy powder, 5-20% of a binder and 2-10% of rare earth oxide. According to the invention, planarization, corrosion resistance and long service life of a welding seam in a high-temperature molten glass environment are realized.
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