CN112265338A - High-strength high-toughness liquid die forging aluminum alloy material - Google Patents

High-strength high-toughness liquid die forging aluminum alloy material Download PDF

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CN112265338A
CN112265338A CN202011124918.9A CN202011124918A CN112265338A CN 112265338 A CN112265338 A CN 112265338A CN 202011124918 A CN202011124918 A CN 202011124918A CN 112265338 A CN112265338 A CN 112265338A
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parts
layer
aluminum alloy
powder
retardant
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CN112265338B (en
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潘琦俊
胡柏丽
叶伍文
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Wuhu Hetian Automotive Industry Co Ltd
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Wuhu Hetian Automotive Industry Co Ltd
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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Abstract

The invention provides a high-strength high-toughness liquid die forging aluminum alloy material which comprises a transition reinforcing layer, a first aluminum alloy layer and a second aluminum alloy layer, wherein the first aluminum alloy layer is arranged on the upper surface of the transition reinforcing layer, the second aluminum alloy layer is arranged on the lower surface of the transition reinforcing layer, a first flame-retardant oxidation-resistant layer covers the upper surface of the first aluminum alloy layer, a first scratch-resistant layer covers the upper surface of the first flame-retardant oxidation-resistant layer, and a second flame-retardant oxidation-resistant layer covers the lower surface of the second aluminum alloy layer; according to the invention, the transition reinforcing layer, the first aluminum alloy layer and the second aluminum alloy layer are combined into the aluminum alloy base layer, the modified phenolic resin and the PBT resin are taken as base materials under the action of the transition reinforcing layer, the toughness of the PC material is considered, the effect of reinforcing wire ribs is matched, the integral tensile strength is greatly improved, the ultimate strength of a tensile test is more than or equal to 340MPa, and compared with common aluminum alloy, the aluminum alloy disclosed by the invention has higher strength.

Description

High-strength high-toughness liquid die forging aluminum alloy material
Technical Field
The invention relates to the technical field of aluminum alloy materials, in particular to a high-strength high-toughness liquid die forging aluminum alloy material.
Background
Aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, and is widely applied in aviation, aerospace, automobile, mechanical manufacturing, ships and chemical industry, the rapid development of industrial economy has increased the demand on aluminum alloy welding structural parts, and the research on the weldability of the aluminum alloy is also deepened;
the existing aluminum alloy is usually smelted and mixed by using alloy elements such as copper, zinc, manganese, silicon, magnesium and the like, has limited strength, poor plasticity and easy fracture, and is easy to generate various surface defects such as wrinkles, cracks and the like, so the invention provides a high-strength high-toughness liquid die forging aluminum alloy material to solve the problems in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides a high-strength high-toughness liquid die forging aluminum alloy material, which is characterized in that a transition reinforcing layer, a first aluminum alloy layer and a second aluminum alloy layer are combined into an aluminum alloy base layer, and through the action of the transition reinforcing layer, modified phenolic resin and PBT resin are taken as base materials, the toughness of the PC material is taken into consideration, and the tensile strength of the whole is greatly improved by matching with the action of reinforcing wire ribs.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a high strength high tenacity liquid forging aluminum alloy material, includes transition enhancement layer, first aluminum alloy layer and second aluminum alloy layer, the upper surface of transition enhancement layer is equipped with first aluminum alloy layer, and the lower surface of transition enhancement layer is equipped with second aluminum alloy layer, the upper surface on first aluminum alloy layer covers has first fire-retardant antioxidation layer, and the upper surface coating of first fire-retardant antioxidation layer has first resistant layer of scraping, the lower surface coating on second aluminum alloy layer has the fire-retardant antioxidation layer of second, and the lower surface coating of the fire-retardant antioxidation layer of second has the resistant layer of scraping of second.
The further improvement lies in that: the inside of transition enhancement layer is equipped with the reinforcement wire muscle, and the reinforcement wire muscle is equipped with the multiunit, the reinforcement wire muscle is the spiral, the last lower surface of transition enhancement layer all is equipped with the cavity, and the inside packing of cavity has anion to fill the powder.
The further improvement lies in that: be connected with the connecting rib between first aluminum alloy layer and the second aluminum alloy layer, and the connecting rib is equipped with the multiunit, the connecting rib runs through the transition enhancement layer, and the inside of connecting rib is equipped with elastic fiber.
The further improvement lies in that: the top on first aluminum alloy layer is equipped with vertical cut, vertical cut is filled into to the bottom on first fire-retardant oxidation resisting layer, the bottom on second aluminum alloy layer is equipped with horizontal cut, horizontal cut is filled into to the top on the fire-retardant oxidation resisting layer of second.
The further improvement lies in that: the first aluminum alloy layer and the second aluminum alloy layer are respectively formed by smelting the following raw materials in percentage by mass: 100-120 parts of aluminum powder, 5-10 parts of rare earth elements, 15-20 parts of tin powder, 10-15 parts of copper powder, 1-3 parts of vanadium powder, 5-8 parts of nickel powder, 6-8 parts of magnesium powder, 10-12 parts of silicon powder, 5-7 parts of zinc powder, 3-5 parts of titanium powder, 1-3 parts of manganese powder, 1-3 parts of lithium powder, 2-4 parts of strontium powder, 1-3 parts of cobalt powder and 6-11 parts of magnetic powder.
The further improvement lies in that: the transition reinforcing layer is prepared by mixing and smelting the following raw materials in percentage by mass: 30-35 parts of modified phenolic resin, 1-3 parts of polyphosphoric acid, 10-12 parts of titanium dioxide, 2-4 parts of barium sulfate powder, 8-10 parts of zinc oxide, 40-70 parts of PBT resin, 10-15 parts of glass fiber, 4-6 parts of carboxymethyl cellulose, 0.6-0.8 part of heat stabilizer, 0.4-0.7 part of silver-loaded hydroxyl zirconium phosphate nano antibacterial agent, 5-10 parts of nano master batch, 5-9 parts of flexibilizer and 3-10 parts of calcium stearate.
The further improvement lies in that: the first flame-retardant oxidation-resistant layer and the second flame-retardant oxidation-resistant layer are respectively formed by mixing the following raw materials in percentage by mass: 45-55 parts of polymethyl methacrylate, 20-25 parts of furan resin, 8-10 parts of propylene-styrene resin, 5-7 parts of nano silicon dioxide, 1-3 parts of chitin fiber, 5-7 parts of calcium carbonate, 5-8 parts of phytic acid ammonium salt flame retardant, 8-12 parts of titanium oxide, 5-7 parts of polyvinylpyrrolidone, 5-7 parts of antioxidant, 4-6 parts of plasticizer, 8-10 parts of magnesium hydroxide and 2-4 parts of silver ion antibacterial agent.
The further improvement lies in that: the first scratch-resistant layer and the second scratch-resistant layer are respectively formed by mixing the following raw materials in percentage by mass: 55-60 parts of zinc borate modified phenolic resin, 35-45 parts of hexafluorobutyl acrylate, 25-35 parts of styrene, 10-12 parts of magnesium borate, 5-8 parts of film forming additive, 10-12 parts of silicon dioxide, 15-17 parts of graphite powder, 3-5 parts of acetylcholine, 15-18 parts of sodium hydroxymethyl cellulose, 1-3 parts of flatting agent and 3-5 parts of dispersing agent.
The further improvement lies in that: the thickness of transition enhancement layer is 2-3mm, the thickness of first aluminium alloy layer and second aluminium alloy layer is 3.5-4.5mm, the thickness of first fire-retardant antioxidation layer and the fire-retardant antioxidation layer of second is 0.9-1.2mm, the thickness of first resistant layer of scraping and the resistant layer of scraping of second is 0.7-1 mm.
The invention has the beneficial effects that: the invention combines the transition reinforced layer, the first aluminum alloy layer and the second aluminum alloy layer into the aluminum alloy base layer, takes the modified phenolic resin and the PBT resin as base materials through the function of the transition reinforced layer, considers the toughness of PC materials, and is matched with the function of the reinforced wire rib, so that the integral tensile strength is greatly improved, the tensile test ultimate strength is higher than or equal to 340MPa through verification, compared with common aluminum alloy, the aluminum alloy of the invention has higher strength, and the connecting rib is connected between the first aluminum alloy layer and the second aluminum alloy layer, and is matched with the function of elastic fiber, so that the structure connection stability is maintained, the elasticity is increased, the plasticity is improved by verification, the plasticity is higher than or equal to 10 percent, and meanwhile, the magnetic powder is added into the first aluminum alloy layer and the second aluminum alloy layer, so that the internal material has adsorbability and is not easy to break, and the effect of bearing bending force is better, the verification proves that the fracture toughness KIC is more than or equal to 30MPa.m1/2, in addition, the heat-resistant flame-retardant performance and the antioxidant effect of the whole body are improved by using the polymethyl methacrylate as a base material and using materials such as phytic acid ammonium salt flame retardant, antioxidant and the like as auxiliary materials through the functions of the first flame-retardant anti-oxidation layer and the second flame-retardant anti-oxidation layer, and a protective layer is formed outside the material through the functions of the first scratch-resistant layer and the second scratch-resistant layer, so that the material is more scratch-resistant, the defects of cockles, cracks and the like are avoided, and finally, the negative ions can be released through the addition of the negative ion filling powder.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a transition reinforcing layer structure according to the present invention;
FIG. 3 is a schematic view of a first aluminum alloy layer and a second aluminum alloy layer of the present invention;
FIG. 4 is a schematic top view of a first aluminum alloy layer according to the present invention;
FIG. 5 is a schematic view of a lower surface of a second aluminum alloy layer according to the present invention.
Wherein: 1. a transition reinforcing layer; 2. a first aluminum alloy layer; 3. a second aluminum alloy layer; 4. a first flame-retardant and oxidation-resistant layer; 5. a first scratch resistant layer; 6. a second flame-retardant and oxidation-resistant layer; 7. a second scratch resistant layer; 8. reinforcing the wire ribs; 9. a cavity; 10. negative ion filling powder; 11. a connecting rib; 12. an elastic fiber; 13. longitudinal cutting marks; 14. and (6) transverse cutting marks.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to shown in fig. 1, 2, 3, 4, 5, this embodiment provides a high strength and high toughness liquid die forging aluminum alloy material, including transition enhancement layer 1, first aluminum alloy layer 2 and second aluminum alloy layer 3, the upper surface of transition enhancement layer 1 is equipped with first aluminum alloy layer 2, and the lower surface of transition enhancement layer 1 is equipped with second aluminum alloy layer 3, the upper surface of first aluminum alloy layer 2 covers has first fire-retardant antioxidation layer 4, and the upper surface coating of first fire-retardant antioxidation layer 4 has first resistant layer 5 of scraping, the lower surface coating of second aluminum alloy layer 3 has the fire-retardant antioxidation layer 6 of second, and the lower surface coating of the fire-retardant antioxidation layer 7 of second has resistant layer 7 of scraping.
The inside of transition enhancement layer 1 is equipped with reinforcement wire muscle 8, and reinforcement wire muscle 8 is equipped with the multiunit, reinforcement wire muscle 8 is the spiral, the last lower surface of transition enhancement layer 1 all is equipped with cavity 9, and the inside packing of cavity 9 has anion to fill powder 10.
Be connected with between first aluminium alloy layer 2 and the second aluminium alloy layer 3 and connect rib 11, and connect rib 11 and be equipped with the multiunit, connect rib 11 to run through transition enhancement layer 1, and the inside of connecting rib 11 is equipped with elastic fiber 12.
The top on first aluminium alloy layer 2 is equipped with vertical cut 13, vertical cut 13 is gone into to the bottom filling of first fire-retardant antioxidation layer 4, the bottom on second aluminium alloy layer 3 is equipped with horizontal cut 14, horizontal cut 14 is gone into to the top filling of the fire-retardant antioxidation layer 6 of second. The function of the cutting mark is to increase the fit tightness of the flame-retardant oxidation-resistant layer.
The first aluminum alloy layer 2 and the second aluminum alloy layer 3 are respectively formed by smelting the following raw materials in percentage by mass: 100 parts of aluminum powder, 5 parts of rare earth elements, 15 parts of tin powder, 10 parts of copper powder, 1 part of vanadium powder, 5 parts of nickel powder, 6 parts of magnesium powder, 10 parts of silicon powder, 5 parts of zinc powder, 3 parts of titanium powder, 1 part of manganese powder, 1 part of lithium powder, 2 parts of strontium powder, 1 part of cobalt powder and 6 parts of magnetic powder.
The transition reinforcing layer 1 is prepared by mixing and smelting the following raw materials in percentage by mass: 30 parts of modified phenolic resin, 1 part of ammonium polyphosphate, 10 parts of titanium dioxide, 2 parts of barium sulfate powder, 8 parts of zinc oxide, 40 parts of PBT resin, 10 parts of glass fiber, 4 parts of carboxymethyl cellulose, 0.6 part of heat stabilizer, 0.4 part of silver-loaded hydroxyl zirconium phosphate nano antibacterial agent, 5 parts of nano master batch, 5 parts of toughening agent and 3 parts of calcium stearate.
The first flame-retardant oxidation-resistant layer 4 and the second flame-retardant oxidation-resistant layer 6 are prepared by mixing the following raw materials in percentage by mass: 45 parts of polymethyl methacrylate, 20 parts of furan resin, 8 parts of propylene-styrene resin, 5 parts of nano silica, 1 part of chitin fiber, 5 parts of calcium carbonate, 5 parts of phytic acid ammonium salt flame retardant, 8 parts of titanium oxide, 5 parts of polyvinylpyrrolidone, 5 parts of antioxidant, 4 parts of plasticizer, 8 parts of magnesium hydroxide and 2 parts of silver ion antibacterial agent.
The first scratch-resistant layer 5 and the second scratch-resistant layer 7 are respectively formed by mixing the following raw materials in percentage by mass: 55 parts of zinc borate modified phenolic resin, 35 parts of hexafluorobutyl acrylate, 25 parts of styrene, 10 parts of magnesium borate, 5 parts of film forming additive, 10 parts of silicon dioxide, 15 parts of graphite powder, 3 parts of acetylcholine, 15 parts of sodium hydroxymethyl cellulose, 1 part of leveling agent and 3 parts of dispersing agent.
The thickness of transition enhancement layer 1 is 2mm, the thickness of first aluminium alloy layer 2 and second aluminium alloy layer 3 is 3.5mm, the thickness of the fire-retardant antioxidation layer of first fire-retardant antioxidation layer 4 and the fire-retardant antioxidation layer of second 6 is 0.9mm, the first thickness of scraping resistant layer 5 and the resistant layer 7 of scraping of second is 0.7 mm.
Example two
According to shown in fig. 1, 2, 3, 4, 5, this embodiment provides a high strength and high toughness liquid die forging aluminum alloy material, including transition enhancement layer 1, first aluminum alloy layer 2 and second aluminum alloy layer 3, the upper surface of transition enhancement layer 1 is equipped with first aluminum alloy layer 2, and the lower surface of transition enhancement layer 1 is equipped with second aluminum alloy layer 3, the upper surface of first aluminum alloy layer 2 covers has first fire-retardant antioxidation layer 4, and the upper surface coating of first fire-retardant antioxidation layer 4 has first resistant layer 5 of scraping, the lower surface coating of second aluminum alloy layer 3 has the fire-retardant antioxidation layer 6 of second, and the lower surface coating of the fire-retardant antioxidation layer 7 of second has resistant layer 7 of scraping.
The inside of transition enhancement layer 1 is equipped with reinforcement wire muscle 8, and reinforcement wire muscle 8 is equipped with the multiunit, reinforcement wire muscle 8 is the spiral, the last lower surface of transition enhancement layer 1 all is equipped with cavity 9, and the inside packing of cavity 9 has anion to fill powder 10.
Be connected with between first aluminium alloy layer 2 and the second aluminium alloy layer 3 and connect rib 11, and connect rib 11 and be equipped with the multiunit, connect rib 11 to run through transition enhancement layer 1, and the inside of connecting rib 11 is equipped with elastic fiber 12.
The top on first aluminium alloy layer 2 is equipped with vertical cut 13, vertical cut 13 is gone into to the bottom filling of first fire-retardant antioxidation layer 4, the bottom on second aluminium alloy layer 3 is equipped with horizontal cut 14, horizontal cut 14 is gone into to the top filling of the fire-retardant antioxidation layer 6 of second.
The first aluminum alloy layer 2 and the second aluminum alloy layer 3 are respectively formed by smelting the following raw materials in percentage by mass: 110 parts of aluminum powder, 7 parts of rare earth elements, 18 parts of tin powder, 12 parts of copper powder, 2 parts of vanadium powder, 7 parts of nickel powder, 7 parts of magnesium powder, 11 parts of silicon powder, 6 parts of zinc powder, 4 parts of titanium powder, 2 parts of manganese powder, 2 parts of lithium powder, 3 parts of strontium powder, 2 parts of cobalt powder and 8 parts of magnetic powder.
The transition reinforcing layer 1 is prepared by mixing and smelting the following raw materials in percentage by mass: 33 parts of modified phenolic resin, 2 parts of ammonium polyphosphate, 11 parts of titanium dioxide, 3 parts of barium sulfate powder, 9 parts of zinc oxide, 50 parts of PBT resin, 12 parts of glass fiber, 5 parts of carboxymethyl cellulose, 0.7 part of heat stabilizer, 0.5 part of silver-loaded hydroxyl zirconium phosphate nano antibacterial agent, 8 parts of nano master batch, 8 parts of toughening agent and 5 parts of calcium stearate.
The first flame-retardant oxidation-resistant layer 4 and the second flame-retardant oxidation-resistant layer 6 are prepared by mixing the following raw materials in percentage by mass: 50 parts of polymethyl methacrylate, 22 parts of furan resin, 9 parts of propylene-styrene resin, 6 parts of nano silica, 2 parts of chitin fiber, 6 parts of calcium carbonate, 7 parts of phytic acid ammonium salt flame retardant, 9 parts of titanium oxide, 6 parts of polyvinylpyrrolidone, 6 parts of antioxidant, 5 parts of plasticizer, 9 parts of magnesium hydroxide and 3 parts of silver ion antibacterial agent.
The first scratch-resistant layer 5 and the second scratch-resistant layer 7 are respectively formed by mixing the following raw materials in percentage by mass: 58 parts of zinc borate modified phenolic resin, 40 parts of hexafluorobutyl acrylate, 30 parts of styrene, 11 parts of magnesium borate, 6 parts of film-forming aid, 11 parts of silicon dioxide, 16 parts of graphite powder, 4 parts of acetylcholine, 17 parts of sodium hydroxymethyl cellulose, 2 parts of leveling agent and 4 parts of dispersing agent.
The thickness of transition enhancement layer 1 is 2.5mm, the thickness of first aluminium alloy layer 2 and second aluminium alloy layer 3 is 4mm, the thickness of first fire-retardant antioxidation layer 4 and the fire-retardant antioxidation layer 6 of second is 1mm, the first thickness of scraping resistant layer 5 and the resistant layer 7 of scraping of second is 0.9 mm.
EXAMPLE III
According to shown in fig. 1, 2, 3, 4, 5, this embodiment provides a high strength and high toughness liquid die forging aluminum alloy material, including transition enhancement layer 1, first aluminum alloy layer 2 and second aluminum alloy layer 3, the upper surface of transition enhancement layer 1 is equipped with first aluminum alloy layer 2, and the lower surface of transition enhancement layer 1 is equipped with second aluminum alloy layer 3, the upper surface of first aluminum alloy layer 2 covers has first fire-retardant antioxidation layer 4, and the upper surface coating of first fire-retardant antioxidation layer 4 has first resistant layer 5 of scraping, the lower surface coating of second aluminum alloy layer 3 has the fire-retardant antioxidation layer 6 of second, and the lower surface coating of the fire-retardant antioxidation layer 7 of second has resistant layer 7 of scraping.
The inside of transition enhancement layer 1 is equipped with reinforcement wire muscle 8, and reinforcement wire muscle 8 is equipped with the multiunit, reinforcement wire muscle 8 is the spiral, the last lower surface of transition enhancement layer 1 all is equipped with cavity 9, and the inside packing of cavity 9 has anion to fill powder 10.
Be connected with between first aluminium alloy layer 2 and the second aluminium alloy layer 3 and connect rib 11, and connect rib 11 and be equipped with the multiunit, connect rib 11 to run through transition enhancement layer 1, and the inside of connecting rib 11 is equipped with elastic fiber 12.
The top on first aluminium alloy layer 2 is equipped with vertical cut 13, vertical cut 13 is gone into to the bottom filling of first fire-retardant antioxidation layer 4, the bottom on second aluminium alloy layer 3 is equipped with horizontal cut 14, horizontal cut 14 is gone into to the top filling of the fire-retardant antioxidation layer 6 of second.
The first aluminum alloy layer 2 and the second aluminum alloy layer 3 are respectively formed by smelting the following raw materials in percentage by mass: 120 parts of aluminum powder, 10 parts of rare earth elements, 20 parts of tin powder, 15 parts of copper powder, 3 parts of vanadium powder, 8 parts of nickel powder, 8 parts of magnesium powder, 12 parts of silicon powder, 7 parts of zinc powder, 5 parts of titanium powder, 3 parts of manganese powder, 3 parts of lithium powder, 4 parts of strontium powder, 3 parts of cobalt powder and 11 parts of magnetic powder.
The transition reinforcing layer 1 is prepared by mixing and smelting the following raw materials in percentage by mass: 35 parts of modified phenolic resin, 3 parts of ammonium polyphosphate, 12 parts of titanium dioxide, 4 parts of barium sulfate powder, 10 parts of zinc oxide, 70 parts of PBT resin, 15 parts of glass fiber, 6 parts of carboxymethyl cellulose, 0.8 part of heat stabilizer, 0.7 part of silver-loaded hydroxyl zirconium phosphate nano antibacterial agent, 10 parts of nano master batch, 9 parts of toughening agent and 10 parts of calcium stearate.
The first flame-retardant oxidation-resistant layer 4 and the second flame-retardant oxidation-resistant layer 6 are prepared by mixing the following raw materials in percentage by mass: 55 parts of polymethyl methacrylate, 25 parts of furan resin, 10 parts of propylene-styrene resin, 7 parts of nano silica, 3 parts of chitin fiber, 7 parts of calcium carbonate, 8 parts of phytic acid ammonium salt flame retardant, 12 parts of titanium oxide, 7 parts of polyvinylpyrrolidone, 7 parts of antioxidant, 6 parts of plasticizer, 10 parts of magnesium hydroxide and 4 parts of silver ion antibacterial agent.
The first scratch-resistant layer 5 and the second scratch-resistant layer 7 are respectively formed by mixing the following raw materials in percentage by mass: 60 parts of zinc borate modified phenolic resin, 45 parts of hexafluorobutyl acrylate, 35 parts of styrene, 12 parts of magnesium borate, 8 parts of film forming aid, 12 parts of silicon dioxide, 17 parts of graphite powder, 5 parts of acetylcholine, 18 parts of sodium hydroxymethyl cellulose, 3 parts of leveling agent and 5 parts of dispersing agent.
The thickness of transition enhancement layer 1 is 3mm, the thickness of first aluminium alloy layer 2 and second aluminium alloy layer 3 is 4.5mm, the thickness of the fire-retardant oxidation resisting layer of first fire-retardant 4 and second 6 is 1.2mm, the first thickness of scraping resistant layer 5 and the second layer 7 of scraping resistant is 1 mm.
According to the first embodiment, the second embodiment and the third embodiment, the invention comprises the following components in percentage by mass: preparing a first aluminum alloy layer 2 and a second aluminum alloy layer 3 from 100-120 parts of aluminum powder, 5-10 parts of rare earth elements, 15-20 parts of tin powder, 10-15 parts of copper powder, 1-3 parts of vanadium powder, 5-8 parts of nickel powder, 6-8 parts of magnesium powder, 10-12 parts of silicon powder, 5-7 parts of zinc powder, 3-5 parts of titanium powder, 1-3 parts of manganese powder, 1-3 parts of lithium powder, 2-4 parts of strontium powder, 1-3 parts of cobalt powder and 6-11 parts of magnetic powder; comprises the following components in percentage by mass: 30-35 parts of modified phenolic resin, 1-3 parts of polyphosphoric acid, 10-12 parts of titanium dioxide, 2-4 parts of barium sulfate powder, 8-10 parts of zinc oxide, 40-70 parts of PBT resin, 10-15 parts of glass fiber, 4-6 parts of carboxymethyl cellulose, 0.6-0.8 part of heat stabilizer, 0.4-0.7 part of silver-loaded zirconium phosphate hydroxide nano antibacterial agent, 5-10 parts of nano master batch, 5-9 parts of flexibilizer and 3-10 parts of calcium stearate to prepare a transition reinforcing layer 1; comprises the following components in percentage by mass: 45-55 parts of polymethyl methacrylate, 20-25 parts of furan resin, 8-10 parts of propylene-styrene resin, 5-7 parts of nano silicon dioxide, 1-3 parts of chitin fiber, 5-7 parts of calcium carbonate, 5-8 parts of phytic acid ammonium salt flame retardant, 8-12 parts of titanium oxide, 5-7 parts of polyvinylpyrrolidone, 5-7 parts of antioxidant, 4-6 parts of plasticizer, 8-10 parts of magnesium hydroxide and 2-4 parts of silver ion antibacterial agent to prepare a first flame-retardant antioxidant 4 layer and a second flame-retardant antioxidant layer 6; comprises the following components in percentage by mass: 55-60 parts of zinc borate modified phenolic resin, 35-45 parts of hexafluorobutyl acrylate, 25-35 parts of styrene, 10-12 parts of magnesium borate, 5-8 parts of film forming additive, 10-12 parts of silicon dioxide, 15-17 parts of graphite powder, 3-5 parts of acetylcholine, 15-18 parts of sodium hydroxymethyl cellulose, 1-3 parts of flatting agent and 3-5 parts of dispersing agent to prepare the first scratch-resistant layer 5 and the second scratch-resistant layer 7, so that the aluminum alloy material forged by the liquid die has excellent impact resistance, higher strength, better toughness and stronger plasticity.
Verification example: the aluminum alloy material prepared by the invention is verified to have the tensile test ultimate strength of more than or equal to 340MPa, the plasticity of more than or equal to 10 percent, the fracture toughness KIC of more than or equal to 30MPa.m1/2 and the fluidity test spiral length of 6 x 8mm in cross section size of more than 1 m.
The high-strength high-toughness liquid die forging aluminum alloy material is characterized in that a transition reinforcing layer 1, a first aluminum alloy layer 2 and a second aluminum alloy layer 3 are combined into an aluminum alloy base layer, modified phenolic resin and PBT resin are used as base materials through the action of the transition reinforcing layer 1, the toughness of the PC material is taken into consideration, the tensile strength of the whole is greatly improved by matching with the action of a reinforcing wire rib 8, the tensile test ultimate strength is higher than or equal to 340MPa through verification, compared with common aluminum alloy, the aluminum alloy of the invention has higher strength, a connecting rib 11 is connected between the first aluminum alloy layer 2 and the second aluminum alloy layer 3 and is matched with the action of an elastic fiber 12, the elasticity is increased and the plasticity is improved while the structural connection stability is maintained, and the plasticity is higher than or equal to 10% through verification, meanwhile, magnetic powder is added into the first aluminum alloy layer 2 and the second aluminum alloy layer 3, the effect of silk muscle 8 and elastic fiber 12 is strengthened in the cooperation, the material bears the bending force effect better, through verifying, fracture toughness KIC is greater than or equal to 30MPa.m1/2, in addition, through the effect of first fire-retardant oxidation resisting layer 4 and the fire-retardant oxidation resisting layer 6 of second, use polymethyl methacrylate as the base material, assist phytic acid ammonium salt fire retardant, materials such as antioxidant, improve holistic heat-resisting flame retardant property and antioxidant effect, in addition the effect of first resistant layer 5 of scraping and the resistant layer 7 of scraping of second, at the outer one deck protective layer that becomes the membrane of material, it is more resistant to scrape, avoid pincher trees, defects such as crackle, finally, through the interpolation of anion filling powder, can release the anion, the environmental protection performance has.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The high-strength high-toughness liquid die forging aluminum alloy material is characterized in that: including transition enhancement layer (1), first aluminum alloy layer (2) and second aluminum alloy layer (3), the upper surface of transition enhancement layer (1) is equipped with first aluminum alloy layer (2), and the lower surface of transition enhancement layer (1) is equipped with second aluminum alloy layer (3), the upper surface on first aluminum alloy layer (2) covers has first fire-retardant antioxidation layer (4), and the upper surface coating of first fire-retardant antioxidation layer (4) has first resistant layer (5) of scraping, the lower surface coating of second aluminum alloy layer (3) has the fire-retardant antioxidation layer of second (6), and the lower surface coating of the fire-retardant antioxidation layer of second (7) has the second and is resistant layer (7) of scraping.
2. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the inside of transition enhancement layer (1) is equipped with reinforcement wire muscle (8), and reinforcement wire muscle (8) are equipped with the multiunit, reinforcement wire muscle (8) are the spiral, all be equipped with cavity (9) below the upper and lower face of transition enhancement layer (1), and the inside packing of cavity (9) has anion to fill powder (10).
3. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: be connected with between first aluminum alloy layer (2) and second aluminum alloy layer (3) and connect rib (11), and connect rib (11) and be equipped with the multiunit, connect rib (11) to run through transition enhancement layer (1), and the inside of connecting rib (11) is equipped with elastic fiber (12).
4. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the top on first aluminium alloy layer (2) is equipped with vertical cut (13), vertical cut (13) are gone into to the bottom filling of first fire-retardant antioxidation layer (4), the bottom on second aluminium alloy layer (3) is equipped with horizontal cut (14), horizontal cut (14) are gone into to the top filling of the fire-retardant antioxidation layer of second (6).
5. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the first aluminum alloy layer (2) and the second aluminum alloy layer (3) are respectively formed by smelting the following raw materials in percentage by mass: 100-120 parts of aluminum powder, 5-10 parts of rare earth elements, 15-20 parts of tin powder, 10-15 parts of copper powder, 1-3 parts of vanadium powder, 5-8 parts of nickel powder, 6-8 parts of magnesium powder, 10-12 parts of silicon powder, 5-7 parts of zinc powder, 3-5 parts of titanium powder, 1-3 parts of manganese powder, 1-3 parts of lithium powder, 2-4 parts of strontium powder, 1-3 parts of cobalt powder and 6-11 parts of magnetic powder.
6. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the transition reinforcing layer (1) is prepared by mixing and smelting the following raw materials in percentage by mass: 30-35 parts of modified phenolic resin, 1-3 parts of polyphosphoric acid, 10-12 parts of titanium dioxide, 2-4 parts of barium sulfate powder, 8-10 parts of zinc oxide, 40-70 parts of PBT resin, 10-15 parts of glass fiber, 4-6 parts of carboxymethyl cellulose, 0.6-0.8 part of heat stabilizer, 0.4-0.7 part of silver-loaded hydroxyl zirconium phosphate nano antibacterial agent, 5-10 parts of nano master batch, 5-9 parts of flexibilizer and 3-10 parts of calcium stearate.
7. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the first flame-retardant oxidation-resistant layer (4) and the second flame-retardant oxidation-resistant layer (6) are prepared by mixing the following raw materials in percentage by mass: 45-55 parts of polymethyl methacrylate, 20-25 parts of furan resin, 8-10 parts of propylene-styrene resin, 5-7 parts of nano silicon dioxide, 1-3 parts of chitin fiber, 5-7 parts of calcium carbonate, 5-8 parts of phytic acid ammonium salt flame retardant, 8-12 parts of titanium oxide, 5-7 parts of polyvinylpyrrolidone, 5-7 parts of antioxidant, 4-6 parts of plasticizer, 8-10 parts of magnesium hydroxide and 2-4 parts of silver ion antibacterial agent.
8. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the first scratch-resistant layer (5) and the second scratch-resistant layer (7) are respectively formed by mixing the following raw materials in percentage by mass: 55-60 parts of zinc borate modified phenolic resin, 35-45 parts of hexafluorobutyl acrylate, 25-35 parts of styrene, 10-12 parts of magnesium borate, 5-8 parts of film forming additive, 10-12 parts of silicon dioxide, 15-17 parts of graphite powder, 3-5 parts of acetylcholine, 15-18 parts of sodium hydroxymethyl cellulose, 1-3 parts of flatting agent and 3-5 parts of dispersing agent.
9. The high-strength high-toughness liquid die forging aluminum alloy material as claimed in claim 1, wherein: the thickness of transition enhancement layer (1) is 2-3mm, the thickness of first aluminium alloy layer (2) and second aluminium alloy layer (3) is 3.5-4.5mm, the thickness of first fire-retardant antioxidation layer (4) and the fire-retardant antioxidation layer of second (6) is 0.9-1.2mm, the thickness of first resistant layer of scraping (5) and the resistant layer of scraping of second (7) is 0.7-1 mm.
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CN107523764A (en) * 2017-10-24 2017-12-29 徐州轩辕铝业有限公司 A kind of super heat-resistant high-strength aluminum alloy materials
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