CN102626843A - Manufacturing method for automobile parts made of aluminum-based composite material through spray deposition - Google Patents

Manufacturing method for automobile parts made of aluminum-based composite material through spray deposition Download PDF

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Publication number
CN102626843A
CN102626843A CN2012100361566A CN201210036156A CN102626843A CN 102626843 A CN102626843 A CN 102626843A CN 2012100361566 A CN2012100361566 A CN 2012100361566A CN 201210036156 A CN201210036156 A CN 201210036156A CN 102626843 A CN102626843 A CN 102626843A
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Prior art keywords
deposition
composite
blank
matrix
extrusion
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CN2012100361566A
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Chinese (zh)
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汤汉良
陈刚
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汤汉良
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Priority to CN2012100361566A priority Critical patent/CN102626843A/en
Publication of CN102626843A publication Critical patent/CN102626843A/en
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Abstract

The invention relates to a manufacturing method for automobile parts made of an aluminum-based composite material through spray deposition, in particular to a method for manufacturing the automobile parts made of the aluminum-based composite material by using the spray deposition. The manufacturing method includes manufacturing a deposition blank by using a spray deposition method, then performing exploitation processing to extract the parts, and finally obtaining the automobile parts with good structures and interfaces and prominent mechanical property. The automobile parts can replace cast iron parts, and the manufacturing method is completely suitable for the light abrasion-resistant aluminum-based composite material of the automobile parts.

Description

The jet deposition preparation method of aluminum matrix composite auto parts and components
Technical field
The present invention relates to a kind of preparation method of auto parts and components, specifically a kind of method of jet deposition of utilizing prepares the aluminum matrix composite auto parts and components.
Background technology
That spray deposition technique is based on the earliest is energy-conservation, low consumption, purpose and a kind of material of growing up closely forms shape rapid solidification new technology cheaply; Its basic principle: motlten metal or alloy are atomized in inert atmosphere; Form the drop injection stream, inject directly on the colder matrix, through bump, coalescence, solidify and form deposit; This deposit can forge immediately, extruding or rolling processing, also can be nearly shape product.
Summary of the invention
The present invention provides the jet deposition preparation method of aluminum matrix composite auto parts and components, and final acquisition is organized good, and the interface is good, and mechanical property is exsertile, thereby obtains to replace traditional cast-iron parts.The light wear-resistant aluminum matrix composite that is fit to auto parts and components fully.
Preparation method of the present invention has comprised following steps:
Buncher 1 impeller mechanism 4 sends the enhanced granule in the hopper 23 into Venturi tube 5; The particle transport amount is controlled by impeller 4 rotating speeds; Gases at high pressure 16 get into Venturi tube 5 through tolerance control valve 17 and produce negative pressure simultaneously with whole suctions of enhanced granule and formation particle two phase flow; Two phase flow forms molten drop and enhanced granule dispersed jet 8 through atomizer 7 with the metal bath atomizing that flows in the crucible 6; This jet directly sprays to deposition cooled and solidified formation deposit preform 9 on the matrix 10 that is provided with in advance, during spray deposition blank-making, along with the increase of blank height; Matrix constantly descends to keep jetting height under the driving of motor 12 through elevating mechanism 11, makes the distance between deposition surface and the spray gun constant;
Adopt 1500 tons of extruders that ingot blank is carried out extrusion process, the preparation pipe; 470 ℃~480 ℃ of extrusion temperatures; Extrusion ratio is 20~25:1, and T6 technology, i.e. solid solution under 520 ℃~540 ℃ temperature, 175 ℃~180 ℃ timeliness 8~10h are adopted in heat treatment; The pipe of preparation is prepared cylinder sleeve, bearing shell or piston after machined and welding; To the ingot blank machined adopt the divergent die extrusion process prepare automobile with the high-performance frame structure with aluminium alloy extrusions and frame.
Be that the SiCp particle strengthens 6066 aluminium alloys in the said hopper 2, the parts of preparation are 200 * 200mm composite ingot blanks.
Melting fluid temperature of the present invention is at 800 ~ 950 ℃, and the catheter diameter is 3 ~ 5mm, and jetting height is 50 ~ 200mm; Tiltedly the spray angle is 20 ~ 90 ℃; SiCp particle transport pressure 0.4 ~ 0.8mpa, SiCp particle transport amount is 5 ~ 20g/s, matrix disc spin speed 300r/min.
Good effect of the present invention is final to obtain to organize good, and the interface is good, and mechanical property is exsertile, thereby obtains to replace traditional cast-iron parts.The light wear-resistant aluminum matrix composite that is fit to auto parts and components fully.Its performance parameter is following: sb3320MPa, and s0.23280MPa, δ 35%; Coefficient of friction is 0.35~0.45, and wear extent is less than 0.3g/MJ.
Description of drawings
Fig. 1 is that deposit preform of the present invention prepares the equipment sketch map.1. buncher 2. hoppers 3. enhanced granule 4. impellers 5. Venturi tubes 6. crucibles 7. spray guns 8. atomizing flows 9. deposit preforms 10. matrixes 11. matrix elevating mechanisms 12. matrix elevating mechanism drive motors 13. rotary encoders, 14. programmable logic controller (PLC)s (PLC) 15. are controlled platforms 16. gases at high pressure 17. gas flow control valves 18. computers
The specific embodiment
According to shown in Figure 1; Buncher 1 impeller mechanism 4 sends the enhanced granule in the hopper 23 into Venturi tube 5; The particle transport amount is by the control of impeller 4 rotating speeds, and gases at high pressure 16 produce negative pressure through tolerance control valve 17 entering Venturi tubes 5 and simultaneously enhanced granule all sucked and form the particle two phase flow, and two phase flow passes through atomizer 7 the metal bath atomizing that flows in the crucible 6 is formed molten drop and enhanced granule dispersed jet 8; This jet directly sprays to deposition cooled and solidified formation deposit preform 9 on the matrix 10 that is provided with in advance; The height that requires to the corresponding parts of deposit preform 9 is (till 20 ~ 300mm), when spray deposition blank-making, along with the increase of blank height; Matrix constantly descends to keep jetting height under the driving of motor 12 through elevating mechanism 11, makes the distance between deposition surface and the spray gun constant;
Adopt 1500 tons of extruders that ingot blank is carried out extrusion process, the preparation pipe; 470 ℃~480 ℃ of extrusion temperatures; Extrusion ratio is 20~25:1, and T6 technology, i.e. solid solution under 520 ℃~540 ℃ temperature, 175 ℃~180 ℃ timeliness 8~10h are adopted in heat treatment; The pipe of preparation is prepared cylinder sleeve, bearing shell or piston after machined and welding; To the ingot blank machined adopt the divergent die extrusion process prepare automobile with the high-performance frame structure with aluminium alloy extrusions and frame.
Be that the SiCp particle strengthens 6066 aluminium alloys in the said hopper 2, the parts of preparation are 200 * 200mm composite ingot blanks.
Melting fluid temperature of the present invention is at 800 ~ 950 ℃, and the catheter diameter is 3 ~ 5mm, and jetting height is 50 ~ 200mm; Tiltedly the spray angle is 20 ~ 90 ℃; SiCp particle transport pressure 0.4 ~ 0.8mpa, SiCp particle transport amount is 5 ~ 20g/s, matrix disc spin speed 300r/min.

Claims (3)

1. the jet deposition preparation method of aluminum matrix composite auto parts and components is characterized in that having the following steps:
Buncher (1) impeller mechanism (4) sends the enhanced granule (3) in the hopper (2) into Venturi tube (5); The particle transport amount is controlled by impeller (4) rotating speed; Gases at high pressure (16) get into Venturi tube (5) through tolerance control valve (17) and produce negative pressure simultaneously with whole suctions of enhanced granule and formation particle two phase flow; Two phase flow forms molten drop and enhanced granule dispersed jet (8) through atomizer (7) with the metal bath atomizing that flows in the crucible (6); This jet directly sprays to the matrix (10) that is provided with in advance and goes up deposition cooled and solidified formation deposit preform (9); During spray deposition blank-making, along with the increase of blank height, matrix passes through elevating mechanism
(11) under the driving of motor (12), constantly descend, make the distance between deposition surface and the spray gun constant to keep jetting height;
Adopt 1500 tons of extruders that ingot blank is carried out extrusion process, the preparation pipe; 470 ℃~480 ℃ of extrusion temperatures; Extrusion ratio is 20~25:1, and T6 technology, i.e. solid solution under 520 ℃~540 ℃ temperature, 175 ℃~180 ℃ timeliness 8~10h are adopted in heat treatment; The pipe of preparation is prepared part after machined and welding; To the ingot blank machined adopt the divergent die extrusion process prepare automobile with the high-performance frame structure with aluminium alloy extrusions and frame.
2. according to the method for claim 1, it is characterized in that in the hopper (2) it being that the SiCp particle strengthens 6066 aluminium alloys, the parts of preparation are 200 * 200mm composite ingot blanks.
3. according to the method for claim 1; It is characterized in that the melting fluid temperature at 800 ~ 950 ℃, the catheter diameter is 3 ~ 5mm, and jetting height is 50 ~ 200mm; Tiltedly the spray angle is 20 ~ 90 ℃; SiCp particle transport pressure 0.4 ~ 0.8mpa, SiCp particle transport amount is 5 ~ 20g/s, matrix disc spin speed 300r/min.
CN2012100361566A 2012-02-17 2012-02-17 Manufacturing method for automobile parts made of aluminum-based composite material through spray deposition Pending CN102626843A (en)

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CN2012100361566A CN102626843A (en) 2012-02-17 2012-02-17 Manufacturing method for automobile parts made of aluminum-based composite material through spray deposition

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Application Number Priority Date Filing Date Title
CN2012100361566A CN102626843A (en) 2012-02-17 2012-02-17 Manufacturing method for automobile parts made of aluminum-based composite material through spray deposition

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102938337A (en) * 2012-10-22 2013-02-20 西安建筑科技大学 Production process of gradient contact material
CN103551572A (en) * 2013-10-31 2014-02-05 王璐瑶 Three-dimensional (3D) metal printer
CN104723041A (en) * 2015-04-07 2015-06-24 张国君 Manufacture method for novel venturi valves
CN104878342A (en) * 2015-05-18 2015-09-02 广东省工业技术研究院(广州有色金属研究院) Method and device for preparing tungsten powder reinforced aluminum matrix composite
CN108031847A (en) * 2017-11-29 2018-05-15 湖南工业大学 A kind of more powder composite materials and its preparation facilities and preparation method
CN110841393A (en) * 2019-11-29 2020-02-28 黄予欣 Smoke removing method, moxibustion therapeutic device and tobacco smoke purifier

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102938337A (en) * 2012-10-22 2013-02-20 西安建筑科技大学 Production process of gradient contact material
CN102938337B (en) * 2012-10-22 2015-06-10 西安建筑科技大学 Production process of gradient contact material
CN103551572A (en) * 2013-10-31 2014-02-05 王璐瑶 Three-dimensional (3D) metal printer
CN104723041A (en) * 2015-04-07 2015-06-24 张国君 Manufacture method for novel venturi valves
CN104723041B (en) * 2015-04-07 2019-09-13 张国君 The production method of venturi valve
CN104878342A (en) * 2015-05-18 2015-09-02 广东省工业技术研究院(广州有色金属研究院) Method and device for preparing tungsten powder reinforced aluminum matrix composite
CN108031847A (en) * 2017-11-29 2018-05-15 湖南工业大学 A kind of more powder composite materials and its preparation facilities and preparation method
CN110841393A (en) * 2019-11-29 2020-02-28 黄予欣 Smoke removing method, moxibustion therapeutic device and tobacco smoke purifier

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Application publication date: 20120808