Preparation method of iron, chromium and aluminum multielement electrothermal alloy with high resistance
An electrothermal alloy, iron-chromium-aluminum series technology, applied in the field of preparation combined with melting and powder metallurgy, can solve the problems of urgent improvement of strength and oxidation resistance, serious brittleness, shortened service life, etc., to achieve the improvement of mechanical properties and Oxidation resistance, improvement of microstructure, and effect of improving alloy strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Example Embodiment
[0008] The present invention is further illustrated and understood by the following examples.
[0009] The preparation method includes: (1) batching: batching according to the following composition: C: 0.0015%, Si: 0.3%, Mn: 1.4%, A1: 0.95%, Cr: 14.6%, Co: 2.1%, Hf: 4.9 %, Zr: 5.6%, Nb: 6.3%, Ti: 1.8%, Tb: 0.4%, Dy: 0.5%, B: 0.007%, S≤O.0001%, P≤O.0001%, the balance is iron and unavoidable impurities; (2) Smelting: put the above-mentioned raw materials into a non-consumable electromagnetic induction melting furnace, and vacuumize to 1×10 -3 pa, filled with high-purity argon to 1×10 4 pa, smelted at above 2800 ℃ and then cooled with the furnace to form alloy ingots; (3) crushing and ball milling: crush the smelted alloy ingots and put them into a high-energy ball mill for grinding for 70 hours to obtain an average particle size of 1-3 μm. Alloy powder; (4) Spark plasma sintering: put the mold filled with the above-mentioned alloy powder into the sintering equipment, sintering...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap