CN107574338A - A kind of aluminum-base composite powder body material for increasing material manufacturing and preparation method thereof - Google Patents

A kind of aluminum-base composite powder body material for increasing material manufacturing and preparation method thereof Download PDF

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Publication number
CN107574338A
CN107574338A CN201710765856.1A CN201710765856A CN107574338A CN 107574338 A CN107574338 A CN 107574338A CN 201710765856 A CN201710765856 A CN 201710765856A CN 107574338 A CN107574338 A CN 107574338A
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powder
aluminum
ball
base composite
alsi
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赵伟
赵晓明
薛蕾
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Xi'an Platinum Power Technology Ltd By Share Ltd
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Xi'an Platinum Power Technology Ltd By Share Ltd
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Abstract

The invention discloses a kind of aluminum-base composite powder body material for increasing material manufacturing, includes following raw material components according to percentage by weight:13~20% nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%.Its preparation method is:Step 1, the following nanometer SiC powder by vacuumizing the raw material components 13~20% being sealed is weighed, remaining is AlSi10Mg powder;Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which add, carries out ball milling, batch mixing in ball mill, obtain aluminum-base composite powder body material.Composite prepared by the present invention improves the mechanical property performance of matrix, its preparation method, solves nanometer reinforcing phase particle technical problem pockety in the base.

Description

A kind of aluminum-base composite powder body material for increasing material manufacturing and preparation method thereof
Technical field
The present invention relates to metal powder material technical field, more particularly to a kind of aluminum-base composite powder for increasing material manufacturing Body material, the invention further relates to a kind of preparation method of the aluminum-base composite powder body material for increasing material manufacturing.
Background technology
Metal-base composites is not only able to keep the premium properties of metal matrix material, after addition strengthens particle, also With the performance not available for other matrixes, e.g., higher tensile property, good wearability, KIC and lower Crack Extension Speed etc..Current most typical application is exactly Al based composites.
The Al based composites of nano SiC granule enhancing have that density is low, intensity is high, plasticity is good, higher high temperature resistant and The features such as wearability, its easy to process and cost is low, applied to Aero-Space and automobile manufacturing field, great potential.Traditional Preparation method is that hot pressed sintering or high temperature insostatic pressing (HIP) shaping are carried out after being mixed by powder, mainly there is two aspect shortcomings:First, powder Mix uneven, or produce enhancing particle powder after mixing during hot pressed sintering and reunite etc., oversized enhancing is mutually not only Invigoration effect will not be played, substantially reduces substrate performance on the contrary;Second, shaped using hot pressed sintering or high temperature insostatic pressing (HIP), it is difficult into Shape complex-shaped workpieces, and thermal deformation is difficult to control, dimensional accuracy can not ensure, be even more nothing for the complicated part of internal die cavity Method shapes and processing;Both the above shortcoming significantly limit the application of nano SiC granule reinforced Al matrix composite.
The content of the invention
It is an object of the invention to provide a kind of aluminum-base composite powder body material for increasing material manufacturing, using nano SiC granule as Strengthen phase, improve alloy matrix aluminum mechanical property and anti-corrosion, resistance to elevated temperatures.
It is a further object to provide a kind of preparation method of the aluminum-base composite powder body material for increasing material manufacturing, Solves prior art nanometer reinforcing phase particle technical problem pockety in the base.
The technical solution adopted in the present invention is a kind of aluminum-base composite powder body material for increasing material manufacturing, according to weight Percentage includes following raw material components:13~20% nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component weight Percentage sum is 100%.
The features of the present invention also resides in,
Nano SiC powder material purity is not less than 99.9%, and granularity is 400~500nm.
AlSi10The purity of Mg powder body materials is not less than 99.9%, and granularity is 15~150 μm.
Another technical scheme of the present invention is a kind of system of aluminum-base composite powder body material for increasing material manufacturing Preparation Method, comprise the following steps:
Step 1, weighed according to percentage by weight following by vacuumizing receiving for the raw material components 13~20% being sealed Rice SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material.
The features of the present invention also resides in,
In step 1, nano SiC powder material purity is not less than 99.9%, and granularity is 400~500nm;AlSi10Mg powders The purity of material is not less than 99.9%, and granularity is 15~150 μm.
In step 2, drying and processing technique is:In argon atmosphere, 2 hours are incubated at 100~130 DEG C.
In step 3, the abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
In step 3, the ball radius that ball mill uses includes Φ 6 and Φ 8, and abrading-ball ratio is:Φ6:Φ 8=3:2;
In step 3, the ball radius that ball mill uses includes Φ 6, Φ 8 and Φ 20, and abrading-ball ratio is:Φ6:Φ8:Φ20 =2:2:1;
In step 3, the handling process of ball mill is:Under conditions of 180~250rpm of rotating speed, 15~20min is rotated forward, temporarily Stop 3~5min, invert 20~25min, suspend 3~5min, Ball-milling Time is 4~5h.
The invention has the advantages that using nano SiC granule as enhancing phase, it is added to AlSi10In Mg matrixes, increasing material system During making, a part of nano SiC granule is directly fused into matrix, plays invigoration effect;Another part and matrix AlSi10Mg gives birth to Cheng Xin Al4SiC4Hardening constituent, further improve alloy matrix aluminum mechanical property and anti-corrosion and resistance to elevated temperatures so that base aluminum Alloy material use temperature range is promoted to 100 DEG C or so, and material hardness is promoted to 220HV or so.Using preparation side of the invention The aluminum-base composite powder body material that method obtains is in three kinds of existing 3D printing equipment (EOS M280, BLT S300, BLT S400) Shaping, its hardness are promoted to 220HV or so.
Embodiment
With reference to embodiment, the present invention is described in detail.
A kind of aluminum-base composite powder body material for increasing material manufacturing of the present invention, includes following raw material according to percentage by weight Component:13~20% nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%.
Nano SiC powder material purity is not less than 99.9%, and granularity is 400~500nm.
AlSi10The purity of Mg powder body materials is not less than 99.9%, and granularity is 15~150 μm.
A kind of preparation method of above-mentioned aluminum-base composite powder body material for increasing material manufacturing, comprises the following steps:
Step 1, weighed according to percentage by weight following by vacuumizing receiving for the raw material components 13~20% being sealed Rice SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;
In step 1, nano SiC powder material purity is not less than 99.9%, and granularity is 400~500nm;AlSi10Mg powders The purity of material is not less than 99.9%, and granularity is 15~150 μm;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;
In step 2, drying and processing technique is:In argon atmosphere, 2 hours are incubated at 100~130 DEG C;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material;
In step 3, the abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1;
In step 3, the ball radius that ball mill uses includes Φ 6 and Φ 8, and abrading-ball ratio is:Φ6:Φ 8=3:2;
In step 3, the ball radius that ball mill uses includes Φ 6, Φ 8 and Φ 20, and abrading-ball ratio is:Φ6:Φ8:Φ20 =2:2:1;
In step 3, the handling process of ball mill is:Under conditions of 180~250rpm of rotating speed, 15~20min is rotated forward, temporarily Stop 3~5min, invert 20~25min, suspend 3~5min, Ball-milling Time is 4~5h.
The aluminum-base composite powder body material being prepared using the inventive method is fitted into the powder drum of 3D printing equipment, according to The threedimensional model of part, model is pressed into certain thickness slicing delamination, i.e., is converted into the three-dimensional shape information of part a series of Two-dimensional silhouette information, then under the control of digital control system, controlled with laser by battle array mirror come fusing metal powder, direct forming Part with geometry in particular.Metal dust is completely melt in forming process, metallurgical binding is produced, according to part three-dimensional mould Type successively prints, and is made the aluminum-base composite powder body material part of complicated shape, after aluminum-base composite powder body material part forming, carries out Heat treatment, then part is separated from base material, part is finally processed.
Using the aluminum-base composite powder body material dedicated for increasing material manufacturing, using precinct laser fusion (SLM) process forming Aluminum-base composite powder body material product, not only composition is uniform, has high intensity, high temperature resistant, a good characteristic such as wear-resistant, and can be with The complex parts of arbitrary shape are shaped, expand application of the material in Aero-Space and automotive field.
Using the aluminum-base composite powder body material that the inventive method is prepared existing 3D printing equipment (EOS M280, BLT S300, BLT S400) in shape, its hardness is promoted to 220HV or so.
Wherein, precinct laser fusion is the increment manufacturing technology based on discrete-accumulation theory, is added with traditional removal material Work method has production week on the contrary, using high energy beam laser successively optionally fusing metal powder accumulation Prototyping Metal Parts The clear superiorities such as the phase is short, part geometry is complex-shaped and material machining kinds are various.
Embodiment 1
The preparation method of a kind of aluminum-base composite powder body material for increasing material manufacturing, using nano SiC granule as enhancing phase, bag Include following steps:
Step 1, the following nano SiC by vacuumizing the raw material components 13% being sealed is weighed according to percentage by weight Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;Wherein, AlSi10Mg powder body materials Purity be not less than 99.9%, granularity be 15 μm;Nano SiC powder material purity is not less than 99.9%, granularity 400nm;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;Wherein, drying and processing Technique is:In argon atmosphere, 2 hours are incubated at 100 DEG C;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed;Wherein, the handling process of ball mill is:In rotating speed 180rpm Under conditions of, 15min is rotated forward, suspends 3min, inverts 20min, suspends 3min, so repeatedly rotating forward-pause-reversion-pause Process, Ball-milling Time 4h;The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1;The ball radius that ball mill uses Including Φ 6 and Φ 8, abrading-ball ratio is:Φ6:Φ 8=3:2.
Embodiment 2
The preparation method of a kind of aluminum-base composite powder body material for increasing material manufacturing, using nano SiC granule as enhancing phase, bag Include following steps:
Step 1, the following nano SiC by vacuumizing the raw material components 20% being sealed is weighed according to percentage by weight Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;Wherein, AlSi10Mg powder body materials Purity be not less than 99.9%, granularity be 150 μm;Nano SiC powder material purity is not less than 99.9%, granularity 500nm;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;Wherein, drying and processing Technique is:In argon atmosphere, 2 hours are incubated at 130 DEG C;
Step 3, the AlSi after step 1 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed;Wherein, the handling process of ball mill is:In rotating speed 250rpm Under conditions of, 20min is rotated forward, suspends 5min, inverts 25min, suspends 5min, so repeatedly rotating forward-pause-reversion-pause Process, Ball-milling Time 4h;The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1;The ball radius that ball mill uses Including Φ 6 and Φ 8, abrading-ball ratio is:Φ6:Φ 8=3:2.
Embodiment 3
The preparation method of a kind of aluminum-base composite powder body material for increasing material manufacturing, using nano SiC granule as enhancing phase, bag Include following steps:
Step 1, the following nano SiC by vacuumizing the raw material components 14% being sealed is weighed according to percentage by weight Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;Wherein, AlSi10Mg powder body materials Purity be not less than 99.9%, granularity be 60 μm;Nano SiC powder material purity is not less than 99.9%, granularity 430nm;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;Wherein, drying and processing Technique is:In argon atmosphere, 2 hours are incubated at 120 DEG C;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed;Wherein, the handling process of ball mill is:In rotating speed 200rpm Under conditions of, 16min is rotated forward, suspends 4min, inverts 21min, suspends 4min, so repeatedly rotating forward-pause-reversion-pause Process, Ball-milling Time 5h;The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1;The ball radius that ball mill uses Including Φ 6, Φ 8 and Φ 20, abrading-ball ratio is:Φ6:Φ8:Φ 20=2:2:1.
Embodiment 4
The preparation method of a kind of aluminum-base composite powder body material for increasing material manufacturing, using nano SiC granule as enhancing phase, bag Include following steps:
Step 1, the following nano SiC by vacuumizing the raw material components 15% being sealed is weighed according to percentage by weight Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;Wherein, AlSi10Mg powder body materials Purity be not less than 99.9%, granularity be 40 μm;Nano SiC powder material purity is not less than 99.9%, granularity 410nm;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;Wherein, drying and processing Technique is:In argon atmosphere, 2 hours are incubated at 115 DEG C;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed;Wherein, the handling process of ball mill is:In rotating speed 190rpm Under conditions of, rotate forward 17min, suspend 3.5min, invert 23min, suspend 3.5min, so repeatedly rotating forward-pause-reversion-temporarily The process stopped, Ball-milling Time 4.5h;The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1;The mill that ball mill uses Bulb diameter includes Φ 6, Φ 8 and Φ 20, and abrading-ball ratio is:Φ6:Φ8:Φ 20=2:2:1.
Embodiment 5
The preparation method of a kind of aluminum-base composite powder body material for increasing material manufacturing, using nano SiC granule as enhancing phase, bag Include following steps:
Step 1, the following nano SiC by vacuumizing the raw material components 19% being sealed is weighed according to percentage by weight Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;Wherein, AlSi10Mg powder body materials Purity be not less than 99.9%, granularity be 130 μm;Nano SiC powder material purity is not less than 99.9%, granularity 480nm;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;Wherein, drying and processing Technique is:In argon atmosphere, 2 hours are incubated at 116 DEG C;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed;Wherein, the handling process of ball mill is:In rotating speed 195rpm Under conditions of, rotate forward 17min, suspend 3.5min, invert 23min, suspend 3.5min, so repeatedly rotating forward-pause-reversion-temporarily The process stopped, Ball-milling Time 4.5h;The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1;The mill that ball mill uses Bulb diameter includes Φ 6 and Φ 8, and abrading-ball ratio is:Φ6:Φ 8=3:2.
The present invention has the following advantages:Using nano SiC granule as enhancing phase, it is added to AlSi10In Mg matrixes, aluminium conjunction is improved Auri mechanics performance and anti-corrosion and resistance to elevated temperatures, during increasing material manufacturing, a part of nano SiC granule directly fuses into base In body, invigoration effect is played;Another part and matrix AlSi10Mg generates new Al4SiC4Hardening constituent, further improve aluminium alloy Matrix mechanical property and anti-corrosion and resistance to elevated temperatures.So that aluminum matrix alloy materials'use temperature range is promoted to 100 DEG C or so, Material hardness is promoted to 220HV or so.The aluminum-base composite powder body material obtained using the preparation method of the present invention is existing at three kinds 3D printing equipment (EOS M280, BLT S300, BLT S400) in shape, its hardness is promoted to 220HV or so.

Claims (10)

1. a kind of aluminum-base composite powder body material for increasing material manufacturing, it is characterised in that include following original according to percentage by weight Expect component:13~20% nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%.
2. a kind of aluminum-base composite powder body material for increasing material manufacturing according to claim 1, it is characterised in that described to receive Rice SiC powder material purity is not less than 99.9%, and granularity is 400~500nm.
3. a kind of aluminum-base composite powder body material for increasing material manufacturing according to claim 1, it is characterised in that described AlSi10The purity of Mg powder body materials is not less than 99.9%, and granularity is 15~150 μm.
4. the preparation method of a kind of aluminum-base composite powder body material for increasing material manufacturing, it is characterised in that comprise the following steps:
Step 1, the following nano SiC by vacuumizing the raw material components 13~20% being sealed is weighed according to percentage by weight Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%;
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing;
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which add, carries out ball milling, batch mixing in ball mill, obtain To aluminum-base composite powder body material.
5. a kind of preparation method of aluminum-base composite powder body material for increasing material manufacturing according to claim 4, its feature It is, in step 1, the nano SiC powder material purity is not less than 99.9%, and granularity is 400~500nm;The AlSi10Mg The purity of powder body material is not less than 99.9%, and granularity is 15~150 μm.
6. a kind of preparation method of aluminum-base composite powder body material for increasing material manufacturing according to claim 4, its feature It is, in step 2, drying and processing technique is:In argon atmosphere, 2 hours are incubated at 100~130 DEG C.
7. a kind of preparation method of aluminum-base composite powder body material for increasing material manufacturing according to claim 4, its feature It is, in step 3, the abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
8. a kind of preparation method of aluminum-base composite powder body material for increasing material manufacturing according to claim 7, its feature It is, in step 3, the ball radius that ball mill uses includes Φ 6 and Φ 8, and abrading-ball ratio is:Φ6:Φ 8=3:2.
9. a kind of preparation method of aluminum-base composite powder body material for increasing material manufacturing according to claim 7, its feature It is, in step 3, the ball radius that ball mill uses includes Φ 6, Φ 8 and Φ 20, and abrading-ball ratio is:Φ6:Φ8:Φ 20= 2:2:1。
10. a kind of preparation method of aluminum-base composite powder body material for increasing material manufacturing according to claim 4, its feature It is, in step 3, the handling process of ball mill is:Under conditions of 180~250rpm of rotating speed, 15~20min, pause 3 are rotated forward ~5min, 20~25min is inverted, suspend 3~5min, Ball-milling Time is 4~5h.
CN201710765856.1A 2017-08-30 2017-08-30 A kind of aluminum-base composite powder body material for increasing material manufacturing and preparation method thereof Pending CN107574338A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109261978A (en) * 2018-12-03 2019-01-25 湖南顶立科技有限公司 A kind of TiB for increasing material manufacturing2Enhance Al alloy powder and preparation method thereof
CN109434096A (en) * 2018-12-07 2019-03-08 南昌大学 A kind of enhancement type nanometer WC/AlSi10Mg composite powder and increasing material manufacturing technique
CN109530695A (en) * 2018-12-20 2019-03-29 西安铂力特增材技术股份有限公司 A method of for increasing material manufacturing high-performance metal product
CN111719066A (en) * 2019-03-19 2020-09-29 江西宝航新材料有限公司 Preparation method and application of AlSiC composite material for metal 3D printing

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CN103045914A (en) * 2012-12-06 2013-04-17 南京航空航天大学 Preparation method of nano silicon carbide reinforced aluminum-based composite material
CN103895285A (en) * 2014-02-28 2014-07-02 吉林大学 High-strength lamellar Al-based metal ceramic composite material and preparation method thereof
CN105112708A (en) * 2015-09-16 2015-12-02 华中科技大学 Rapid manufacturing method for laser remelting scanning carbide dispersion strengthened aluminum alloy

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RO110832B1 (en) * 1995-10-20 1996-04-30 Sc Imnr Sa PREPARATION PROCESS FOR THE COMPOSITE MATERIALS WITH METALLIC MATRIX OF AlSi2Mg_AlSi10Mg TYPE
US20030160480A1 (en) * 1998-09-04 2003-08-28 Renault Motor vehicle seat comprising a part made of aluminum foam controlling the deceleration of a passenger's pelvis
CN103045914A (en) * 2012-12-06 2013-04-17 南京航空航天大学 Preparation method of nano silicon carbide reinforced aluminum-based composite material
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109261978A (en) * 2018-12-03 2019-01-25 湖南顶立科技有限公司 A kind of TiB for increasing material manufacturing2Enhance Al alloy powder and preparation method thereof
CN109434096A (en) * 2018-12-07 2019-03-08 南昌大学 A kind of enhancement type nanometer WC/AlSi10Mg composite powder and increasing material manufacturing technique
CN109530695A (en) * 2018-12-20 2019-03-29 西安铂力特增材技术股份有限公司 A method of for increasing material manufacturing high-performance metal product
CN111719066A (en) * 2019-03-19 2020-09-29 江西宝航新材料有限公司 Preparation method and application of AlSiC composite material for metal 3D printing

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