In-situ particle strengthening heat resisting aluminium base composite material
A particle-reinforced, composite material technology, applied in the field of aluminum-based materials, can solve the problems of inability to meet the requirements of high temperature strength, low content of reinforced particles, etc., and achieve the effects of good interface bonding, good high temperature stability, and good heat resistance.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0012] Preparation ingredients weight percent composition 1% Mg, 1% Cu, 0.5% Ni, 0.5% Fe, 0.05% Zr, 5% TiB 2 , and the rest are heat-resistant aluminum matrix composites of Al.
[0013] Add industrial pure aluminum into the crucible to melt the aluminum ingot, and KFB 4 、KTiF 6 Mix evenly, then add the mixed salt into the melt, and carry out mechanical stirring to make the mixed salt react with the melt. After the reaction, take out the by-products of the reaction, and add industrial pure Mg, Al-Cu, Al-Ni, Al - Fe, Al-Zr master alloy, degassed and refined, poured into cast billet, then extruded cast billet into a bar of a certain size, and then subjected to solution aging treatment.
[0014] TiB in composite 2 The size of the particles is 50-300nm, and the particles are dispersed in the matrix. TiB 2 The interface with the substrate is clean, there is no interface reaction, and the combination is good. Mechanical properties of materials at 300°C: σ b =258MPa, σ 0.2 =215...
Embodiment 2
[0016] Preparation ingredients weight percent composition 2% Mg, 2.5% Cu, 1.5% Ni, 1.5% Fe, 0.3% Zr, 20% TiB 2 , and the rest are heat-resistant aluminum matrix composites of Al.
[0017] Add industrial pure aluminum into the crucible to melt the aluminum ingot, and KFB 4 、KTiF 6 Mix evenly, then add the mixed salt into the melt, and carry out mechanical stirring to make the mixed salt react with the melt. After the reaction, take out the by-products of the reaction, and add industrial pure Mg, Al-Cu, Al-Ni, Al - Fe, Al-Zr master alloy, degassed and refined, poured into cast billet, then extruded cast billet into a bar of a certain size, and then subjected to solution aging treatment.
[0018] TiB in composite 2 The size of the particles is 50-300nm, and the particles are dispersed in the matrix. TiB 2 The interface with the substrate is clean, there is no interface reaction, and the combination is good. Mechanical properties of materials at 300°C: σ b =265MPa, σ 0.2 =2...
Embodiment 3
[0020] Preparation ingredients weight percent composition 3% Mg, 5% Cu, 3% Ni, 3% Fe, 0.5% Zr, 40% TiB 2 , and the rest are heat-resistant aluminum matrix composites of Al.
[0021] Add industrial pure aluminum into the crucible to melt the aluminum ingot, and KFB 4 、KTiF 6 Mix evenly, then add the mixed salt into the melt, and carry out mechanical stirring to make the mixed salt react with the melt. After the reaction, take out the by-products of the reaction, and add industrial pure Mg, Al-Cu, Al-Ni, Al - Fe, Al-Zr master alloy, degassed and refined, poured into cast billet, then extruded cast billet into a bar of a certain size, and then subjected to solution aging treatment.
[0022] TiB in composite 2 The size of the particles is 50-250nm, and the particles are dispersed in the matrix. TiB 2 The interface with the substrate is clean, there is no interface reaction, and the combination is good. Mechanical properties of materials at 300°C: σ b =289MPa, σ 0.2 =267MPa,...
PUM
| Property | Measurement | Unit |
|---|---|---|
| Σ0.2 | aaaaa | aaaaa |
| Σ0.2 | aaaaa | aaaaa |
| Σ0.2 | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More