Reinforcing method for bonding interface of MgFe compound casting
A technology that combines surface and interface, applied in the improvement of process efficiency, additive manufacturing, energy efficiency and other directions, can solve the problem of insufficient bonding strength of MgFe, and achieve the effect of strengthening metallurgical bonding and mechanical bonding, reliable connection, and mature technology.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0025] The lattice material is 304 stainless steel, the type is pyramid, the rod length is 1.2mm, the rod diameter is 0.4mm, and the angle between the rods is 45°. Selected area laser melting molding process parameters: laser power 110W, scanning speed 650mm / s, spot diameter 60μm, powder layer thickness 0.02mm, scanning distance 80μm, using progressive scanning method to prepare Fe-based lattice materials.
[0026] The surface treatment of Fe-based lattice materials is as follows: use 65g / LNaOH, 22g / LNa 3 PO 4 , 23g / LNa 2 CO 3 , 5g / LNa 2 SiO 3 , surfactant 4mL / L, the rest is water, chemical degreasing; use 110g / LNaOH, 60g / LKMnO 4 , 90g / LNa 2 CO 3 , the rest is water, pickling at 85°C, and then passivation treatment with an aqueous solution of nitric acid with a volume ratio of 25% nitric acid at a solution temperature of 38°C for 33 minutes. Using copper sulfate (CuS0 4 5H 2 0) 16g / L, sodium potassium tartrate (NaKC 4 h 4 o 6 4H 2 O) 14g / L, EDTA 2Na 19.5g / L, nick...
Embodiment 2
[0029] The lattice material is 314 stainless steel, the type is tetrahedron, the length of the rod is 2mm, the diameter of the rod is 0.6mm, and the angle between the rods is 45°. Selected area laser melting molding process parameters Laser power 120W, scanning speed 300mm / s, spot diameter 65μm, powder layer thickness 0.025mm, scanning distance 90μm, using progressive scanning method to prepare Fe-based lattice materials.
[0030] The surface treatment of Fe-based lattice materials is as follows: use 70g / L NaOH, 24g / L NaOH 3 PO 4 , 25g / L Na 2 CO 3 , 7g / LNa 2 SiO 3 , surfactant 5mL / L, the rest is water, chemical degreasing; using 120g / L NaOH, 70g / L KMnO 4 , 95g / LNa 2 CO 3 , the rest is water, pickling at 90°C, and then passivation treatment with a nitric acid aqueous solution with a volume ratio of 32% at a solution temperature of 30°C for 45 minutes. Using copper sulfate (CuS0 4 5H 2 0) 15g / L, sodium potassium tartrate (NaKC 4 h 4 o 6 4H 2 O) 16g / L, EDTA 2Na 19.5...
PUM
Property | Measurement | Unit |
---|---|---|
Pole length | aaaaa | aaaaa |
Rod diameter | aaaaa | aaaaa |
Shear strength | aaaaa | aaaaa |
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com