Aluminum alloy is one of the key materials of transportation, defense industries and high-end manufacturing, and is one of the key materials of green sustainable development. However, the strength of the aluminum alloy has a sharp decrease with the operating temperature, and the strength of the tensile strength of 350 ° C is only about 25% room temperature, and the traditional Al-Si system, Al-Cu system and Al-Fe-TM-Si-resistant aluminum Alloys are difficult to meet future engines such as serving the components in demanding environments on lightly high heat-resistant materials. Therefore, the heat resistance of aluminum alloy needs to be broken.
In response to the bottleneck, Shandong University proposed nano-seedling technology, breaking through the bottleneck, invented the new generation of heat-resistant high-strength aluminum alloy new materials.
Implementation Effect
Heat-resistant super high aluminum alloy new material
The heat-resistant super high aluminum alloy new material is detected by the national non-ferrous metals and electronic material analysis test center, and the tensile strength of 350 ° C and 500 ° C is 506 MPa, 217 MPa and 96 MPa (Fig. 7-1), 700 ° C. The compressive strength can still be maintained at 31.76 MPa.
Figure 7-1 Heat-resistant ultra high strength aluminum alloy new material properties: (a) room temperature stretching performance; (b) 350 ° C tensile properties; (c) 500 ° C tensile properties
Heat resistant high-strength high modulus aluminum alloy new material
The heat-resistant high-strength high-modulus aluminum alloy new material is 300 ° C for 258 MPa, and the room temperature compressive strength is 2.163 GPa; the material elastic modulus is particularly protruding, up to 174.6GPa, and conventional heat-resistant aluminum elastic modulus Below 80GPa, as shown in Figure 7-2.
Figure 7-2 Heat-resistant high-strength high modulus aluminum alloy new material properties: (a) 350 ° C tensile properties; (b) elastic modulus test; (c) pressure resistance performance test
Figure 7-3 lists several heat-resistant high-strength aluminum alloy new materials: (a) Figure is a new heat-resistant high-strength aluminum alloy new material to the piston head to meet the high power density engine on heat resistance, wear resistance , Demanding requirements such as anti-fatigue performance; (b) is a pipe material extruded by heat-resistant high-strength aluminum alloy, which can meet the needs of mechanical performance after long-term thermal exposure under deep well high temperature environment; (c) for use The mixing device made of heat-resistant high-strength aluminum alloy can serve in the aluminum water above 850 ° C or higher without creep.
Figure 7-3 Heat-resistant high-strength aluminum alloy new material products
Product advantages
The high-temperature mechanical properties of new materials have protected from 350 ° C to 210 MPa, 500 ° C reached 96 MPa.
The new material has excellent thermal stability, serving in a high temperature environment (> 350 ° C), and the mechanical properties do not recession.
The new material has good processing forming properties.
Product specifications
The heat-resistant high-strength aluminum alloy series new material can be made into a ingot, a blank, a rod, and the like, and can be combined with a process such as casting, forging, rotating, welding.
Application field
Modern automobile traffic, oil and gas mining, marine ship power equipment, heavy-duty armor weapons, advanced aerial vehicles and other parts and related high thermal needs of components manufacturing.
Aluminum alloy is one of the key materials of transportation, defense industries and high-end manufacturing, and is one of the key materials of green sustainable development. However, the strength of the aluminum alloy has a sharp decrease with the operating temperature, and the strength of the tensile strength of 350 ° C is only about 25% room temperature, and the traditional Al-Si system, Al-Cu system and Al-Fe-TM-Si-resistant aluminum Alloys are difficult to meet future engines such as serving the components in demanding environments on lightly high heat-resistant materials. Therefore, the heat resistance of aluminum alloy needs to be broken.
In response to the bottleneck, Shandong University proposed nano-seedling technology, breaking through the bottleneck, invented the new generation of heat-resistant high-strength aluminum alloy new materials.
Implementation Effect
Heat-resistant super high aluminum alloy new material
The heat-resistant super high aluminum alloy new material is detected by the national non-ferrous metals and electronic material analysis test center, and the tensile strength of 350 ° C and 500 ° C is 506 MPa, 217 MPa and 96 MPa (Fig. 7-1), 700 ° C. The compressive strength can still be maintained at 31.76 MPa.
Figure 7-1 Heat-resistant ultra high strength aluminum alloy new material properties: (a) room temperature stretching performance; (b) 350 ° C tensile properties; (c) 500 ° C tensile properties
Heat resistant high-strength high modulus aluminum alloy new material
The heat-resistant high-strength high-modulus aluminum alloy new material is 300 ° C for 258 MPa, and the room temperature compressive strength is 2.163 GPa; the material elastic modulus is particularly protruding, up to 174.6GPa, and conventional heat-resistant aluminum elastic modulus Below 80GPa, as shown in Figure 7-2.
Figure 7-2 Heat-resistant high-strength high modulus aluminum alloy new material properties: (a) 350 ° C tensile properties; (b) elastic modulus test; (c) pressure resistance performance test
Figure 7-3 lists several heat-resistant high-strength aluminum alloy new materials: (a) Figure is a new heat-resistant high-strength aluminum alloy new material to the piston head to meet the high power density engine on heat resistance, wear resistance , Demanding requirements such as anti-fatigue performance; (b) is a pipe material extruded by heat-resistant high-strength aluminum alloy, which can meet the needs of mechanical performance after long-term thermal exposure under deep well high temperature environment; (c) for use The mixing device made of heat-resistant high-strength aluminum alloy can serve in the aluminum water above 850 ° C or higher without creep.
Figure 7-3 Heat-resistant high-strength aluminum alloy new material products
Product advantages
The high-temperature mechanical properties of new materials have protected from 350 ° C to 210 MPa, 500 ° C reached 96 MPa.
The new material has excellent thermal stability, serving in a high temperature environment (> 350 ° C), and the mechanical properties do not recession.
The new material has good processing forming properties.
Product specifications
The heat-resistant high-strength aluminum alloy series new material can be made into a ingot, a blank, a rod, and the like, and can be combined with a process such as casting, forging, rotating, welding.
Application field
Modern automobile traffic, oil and gas mining, marine ship power equipment, heavy-duty armor weapons, advanced aerial vehicles and other parts and related high thermal needs of components manufacturing.
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