CN109290543A - A method of producing high-intensitive near net-shaped metal parts - Google Patents

A method of producing high-intensitive near net-shaped metal parts Download PDF

Info

Publication number
CN109290543A
CN109290543A CN201811052890.5A CN201811052890A CN109290543A CN 109290543 A CN109290543 A CN 109290543A CN 201811052890 A CN201811052890 A CN 201811052890A CN 109290543 A CN109290543 A CN 109290543A
Authority
CN
China
Prior art keywords
near net
ingot blank
shaped metal
metal parts
intensitive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811052890.5A
Other languages
Chinese (zh)
Inventor
杨云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Fenghe Precision Spray Forming Technology Co Ltd
Original Assignee
Foshan Fenghe Precision Spray Forming Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Fenghe Precision Spray Forming Technology Co Ltd filed Critical Foshan Fenghe Precision Spray Forming Technology Co Ltd
Priority to CN201811052890.5A priority Critical patent/CN109290543A/en
Publication of CN109290543A publication Critical patent/CN109290543A/en
Priority to PCT/CN2019/105001 priority patent/WO2020052528A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/007Semi-solid pressure die casting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The present invention discloses a kind of method for producing the near net-shaped part base of high duty metal complicated shape, includes the following steps: that step a) produces metal ingot blank using metal jet forming technology;Step c) is heated to semi-solid temperature to metal ingot blank;Semi-solid-state metal ingot blank is molded near net-shaped metal parts by the techniques such as step d) extruding.Method of the invention can be directly prepared into using the ultrahigh speed solidification of injection forming has the characteristics that fine uniform pelletizing shape tissue, there is better semi-solid die casting characteristic than raw material made of conventional method, it is used directly to the high-intensitive complicated near net-shaped part of production semi-solid-state shaping, has the characteristics that equipment and process flow are at low cost, high-efficient, quality is more stable and reliable.

Description

A method of producing high-intensitive near net-shaped metal parts
Technical field
The present invention relates near net-shaped part manufacture field, in particular to a kind of side for producing high-intensitive near net-shaped metal parts Method.
Background technique
The metal of many complicated shapes, such as aluminium alloy, the near net-shaped part of complexity be to be cast by cast aluminium alloy gold Shape.But this method is limited by alloy species and technique limitation, and the intensity of traditional die casting is lower, mostly in 100-300MPa model It encloses, and die casting is easy that there are stomata or interior tissue are loose, it is difficult to reach the requirement of high-end components, metallographic Figure is as shown in Figure 1.
The metal jet forming technique that last century the seventies occur can be molten metal with the speed of the 10000 degrees second orders of magnitude Ultrahigh speed condensation, can prepare traditional pressure technology and be difficult to the uniform high alloy material of the fine microstructures produced, what is thus produced is certain For 7- line aluminium alloy intensity up to 800MPa, metallographic microscope is as shown in Figure 2.But generated just because of metal jet forming technique The Material Strength of product is higher, so its poor plasticity, this field always is with metal jet forming technique and directly produces Part base shapes final part by cutting, technique for grinding later.For complicated part, spray the technology of forming although It can accomplish accurate forming, but design of part is more complicated, more accurate, thickness is just smaller, and the time for causing it to shape gets over It is long.
Moreover, tissue and performance can become again if the part base of these metal jets forming is carried out remelting die casting again At very poor level, metallographic microscope is as shown in Figure 3.
Semi-solid forming technology is also the new metal-forming techniques of one kind of last century the seventies invention.Pass through various works Skill means become the dendrite (as shown in Figure 1) generated in metal solidification process have Semi-Solid Thixoforming characteristic after pelletizing shape is brilliant With rheology mold-filling capacity under pressure.Compared with traditional die casting, semi-solid-state shaping product has intensity and consistency height, shrinking percentage The low size shape near net-shaped part more precisely, forming temperature it is lower so that the advantages that die life improves.Semisolid temperature Degree refers to the temperature of solid-liquid temperature range.The near net-shaped part, after referring to part forming, it is only necessary to which a small amount of processing no longer adds Work.
There are mainly two types of the methods for preparing semi-solid-state shaping raw metal at present: 1) implementing vibration of ultrasonic wave in process of setting Method, metallographic microscope are as shown in Figure 4;2) implement thermal agitation method in process of setting, metallographic microscope is as shown in Figure 5.But their technique Complicated, at high cost, low efficiency.And those skilled in the art devote a tremendous amount of time, energy goes to solve how to allow dendrite can be more It is good, more evenly, quickly fragmentation the problem of.
Metal jet fabrication strength is high, but the tissue after founding and performance can significantly be deteriorated again, and casting manufacturability It can be poor.In the process flow of semi-solid-state shaping, and founding again must be carried out to material, so metal jet forming and semisolid Both forming techniques are emerging parallel technologies, since inherently there is competing situations for the two process flow, and Each have their own advantage, each have their own disadvantage.For complex parts forming, the forming speed of semi-solid-state shaping is fast, but intensity is low, The long processing time of metal jet forming, but intensity is high.
The research direction that metal jet forming technology will make high-intensitive near net-shaped metal parts is to speed up each thickness shape At speed, and the research direction of semi-solid-state shaping is how effectively and quickly to smash dendrite to improving its intensity.Two The research direction of person is completely different.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of method for producing high-intensitive near net-shaped metal parts.
The solution that the present invention solves its technical problem is:
A method of high-intensitive near net-shaped metal parts is produced, is included the following steps:
Step a) produces metal ingot blank using metal jet forming technology;
Step c) is heated to semi-solid temperature to metal ingot blank;
Metal ingot blank with semi-solid temperature is formed near net-shaped metal parts with mold with extrusion process by step d).
As a further improvement of the foregoing solution, step c1 is additionally provided between step c) and step d)): to metal ingot blank Carry out heat preservation 5 seconds to 30 seconds.
As a further improvement of the foregoing solution, in step c), metal ingot blank is heated using electromagnetic inductor.
As a further improvement of the foregoing solution, in step d), the forming process of near net-shaped metal parts is such that mould Tool includes upper die and lower die, is equipped with the feed inlet section being sequentially connected, flow channel section, type chamber section, upper die and lower die on upper die and lower die Feed inlet section, flow channel section, type chamber section piece together the feed inlet being sequentially communicated, runner, type chamber, the gold of semi-solid temperature will be in Belong to ingot blank and be put into feed inlet, squeezes metal ingot blank with the nip roll being adapted to the shape of feed inlet, size, nip roll will be in semisolid The metal ingot blank of temperature is entered in the type chamber of mold and is filled by narrow runner from the feed inlet of mold, thus Form near net-shaped metal parts.
As a further improvement of the foregoing solution, the cross-sectional area of runner no more than nip roll cross-sectional area ten/ One.
As a further improvement of the foregoing solution, in step d), volume > type chamber volume+runner body of metal ingot blank Product, the nip roll pressure stamping to metal ingot blank is known as first pressure, and after the cavity filling for completing mold, nip roll is with second Pressure carries out pressure maintaining near net-shaped metal parts.
As a further improvement of the foregoing solution, second pressure is generally higher than first pressure, and the dwell time is not less than 3 seconds
As a further improvement of the foregoing solution, the forming process of the near net-shaped metal parts of step d) is such that described Mold is forging mold, and the mold includes upper die and lower die, and metal ingot blank is placed between upper die and lower die, forging equipment is used Upper die and lower die are allowed to be molded, to form near net-shaped metal parts.
As a further improvement of the foregoing solution, step b) is additionally provided between step a) and step c): with pressure processing work Metal ingot blank is processed into the metal ingot blank with single section by skill.
As a further improvement of the foregoing solution, pressure processing craft described in step b) includes hot extrusion, in hot rolling Any one.
The beneficial effects of the present invention are: since metal ingot blank of the invention is to use made of metal jet forming technology, The unusual fine uniform of its interior tissue, is not present dendrite.Such metal ingot blank is heated to semi-solid temperature to be unlikely to Dendrite arm, and good fluidity are generated, so that metal ingot blank is carried out pressure forming, it is high to be used directly to production semi-solid-state shaping The complicated near net-shaped part of intensity, has the characteristics that equipment and process flow are at low cost, high-efficient, quality is more stable and reliable.This hair The bright metallic character that tiny rounding metallographic structure is obtained using metal jet forming superelevation condensation rate, it is directly solid as half The high-intensitive near net-shaped metal parts of state forming blank production, replaces the cumbersome skills for preparing semi-solid-state shaping blank such as tradition stirring Art, have process flow is brief, quality is high, overall economics high efficiency a little.The present invention is shaped for metal parts.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs Scheme and attached drawing.
Fig. 1 is the metallographic microscope for casting A390 aluminium alloy;
Fig. 2 is the metallographic microscope of injection forming A390 aluminium alloy;
Fig. 3 is that gold injection forming A390 aluminium alloy re-starts founding metallographic microscope after cooling;
Fig. 4 is metallographic microscope of the A390 aluminum alloy melt using the ingot blank of ultrasonic activation method preparation;
Fig. 5 is metallographic microscope of the A390 aluminum alloy melt using the ingot blank of hot mixing method preparation;
Fig. 6 is the metallographic microscope that A390 aluminium alloy uses near net-shaped metal parts prepared by the present invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the present invention, in the premise of not conflicting conflict Under can be with combination of interactions.
Referring to Fig. 6, this is the embodiment applied to A390 aluminium alloy of the invention, specifically:
A method of high-intensitive near net-shaped metal parts is produced, is included the following steps:
Step a) produces metal ingot blank using metal jet forming technology;
Step c) is heated to semi-solid temperature to metal ingot blank;
Step d) is shaped with die pressure forms near net-shaped metal zero with mold for the metal ingot blank with semi-solid temperature Part.
Method of the invention can be directly prepared into using the ultrahigh speed solidification of injection forming with fine uniform pelletizing shape tissue Semi-solid-state shaping raw material, than raw material made of conventional method have better semi-solid die casting characteristic, it is directly used It produces the near net-shaped part of semi-solid-state shaping high intensity complicated shape, there is equipment and process flow is at low cost, high-efficient, matter Measure more stable and reliable feature.Comparison diagram 2, Fig. 6 are it is found that the present invention can not only allow the internal component structure of near net-shaped metal parts It is finer and close, and substantially maintain injection the tiny spheric grain structure of form metal, Semi-Solid Thixoforming with higher and Mold-filling capacity is flowed, so that the die forming of complicated shape part is realized, and structure is finer and close, so the present invention can also protect The characteristic for the high intensity for staying metal jet to shape, and intensity itself and plasticity inherently a pair of contradictory body, but pass through this The two paradox are exactly combined together by invention.Also that is, the technique of semi-solid-state shaping of the invention avoids shaping injection Metal material carry out founding again, keep its superior tissue and performance, and then the high intensity for shaping complicated shape is near net-shaped Part.The crystal grain of traditional semi-solid-state shaping raw material, which is changed into spherical process, to be realized in stirring, vibration.And it is of the invention Semi-solid-state shaping raw material by injection forming ultrahigh speed solidification directly generate better quality, greatly simplify process flow, drop Low cost provides part performance.
Step b) is additionally provided between the step a) and step c) of the present embodiment: metal ingot blank being processed with pressure processing craft At the metal ingot blank with single section.Convenient for the progress of metal ingot blank, accurately intercept, each section of metal ingot blank are made in this way For the metal ingot blank in step c).
The step b) of the present embodiment be metal ingot blank is compacted into it is rodlike, can will be after cooling in actual production processing Rodlike metal ingot blank intercept, then by after intercept metal ingot blank carry out step c).
The techniques such as pressure processing described in step b) include hot extrusion, any one in hot rolling.Gold can be improved in this way The plasticity for belonging to ingot blank, can well eliminate the hole in metal ingot blank, and be conducive to prepare suitable shape and weight Semi-solid-state shaping raw material base.
There is the hole of a small amount of (about 1% volume) by step b), d inside the metal ingot blank of metal jet forming) after energy It will effectively be eliminated, the intensity of the energy near net-shaped part of effective guarantee metal.
In order to make the internal and external temperature of metal ingot blank more consistent, step c1 is additionally provided between step c) and step d)): it is right Metal ingot blank carries out heat preservation 5 seconds to 30 seconds.
In the step c) of the present embodiment, metal ingot blank is heated using electromagnetic inductor, it in this way can be by adjusting frequency Rate and power well integrally simultaneously heat metal, avoid traditional outside heating method first hot very by the outside of metal ingot blank To fusing, inside can be only achieved semi-solid temperature, efficiently reduce heating time, realize the control of good bulk temperature, together When allow the inside and outside of metal ingot blank not occur dendrite again, under the premise of ensuring production efficiency, avoid this " spray formed material remelting die casting, tissue and performance can be converted back into very poor level again " that invention is recorded in the background technology Problem.
In step d), the forming process of near net-shaped metal parts is such that mold includes upper die and lower die, upper die and lower die On be equipped with the feed inlet section being sequentially connected, flow channel section, type chamber section, feed inlet section, flow channel section, the type chamber section of upper die and lower die are spelled Synthesize the feed inlet, runner, the type chamber that are sequentially communicated, the metal ingot blank in semi-solid temperature be put into feed inlet, with charging Mouthful shape, size adaptation nip roll squeeze metal ingot blank, nip roll by the metal ingot blank in semi-solid temperature from mold into Material mouth is entered in the type chamber of mold and is filled by narrow runner, to form near net-shaped metal parts.Due to stream The cross-sectional area in road is smaller, so the pressure that metal ingot blank is subject in runner can be very big when filling type, can allow so close The internal structure of net shape metal parts can be more fine and close.The shapes and sizes of the feed inlet of the present embodiment, nip roll, metal ingot blank It is all the same, it can prevent gas from entering the inside of near net-shaped metal parts to the maximum extent in this way, can also prevent metal surface of ingot blank Plastic deformation occurs to encase gas, gas is brought into the inside of near net-shaped metal parts.
The cross-sectional area of runner is generally set to 1/10th no more than nip roll cross-sectional area.The cross section of runner Area is small, can increase crystal grain fusion, the effect of rounding.
In step d), volume > type chamber volume+runner volume of metal ingot blank, nip roll claims the pressure of metal ingot blank For first pressure, after the cavity filling for completing mold, nip roll carries out pressure maintaining near net-shaped metal parts with second pressure, to keep away Exempt from gas evolution and is formed loose.The second pressure of the present embodiment is greater than first pressure, and the dwell time is not less than 3 seconds, due to having The setting of pressure maintaining can ensure the consistency of near net-shaped metal parts well.
It is of course also possible to which metal ingot blank is pressed into global shape with pressure processing craft by metal ingot blank in step b) Following step b) is then carried out again close near net-shaped metal parts.
Step d) the mold be forging mold, the mold includes upper die and lower die, by metal ingot blank be placed on upper mold and It between lower die, is molded with forging equipment by upper die and lower die, to form near net-shaped metal parts.
It after the processing for completing near net-shaped part base, can further be machined out, to go deburring, more than runner Material, can also be further heat-treated.
Better embodiment of the invention is illustrated above, but the present invention is not limited to the embodiment, Those skilled in the art can also make various equivalent modifications or replacement on the premise of without prejudice to spirit of the invention, this Equivalent variation or replacement are all included in the scope defined by the claims of the present application a bit.

Claims (10)

1. a kind of method for producing high-intensitive near net-shaped metal parts, characterized by the following steps:
Step a) produces metal ingot blank using metal jet forming technology;
Step c) is heated to semi-solid temperature to metal ingot blank;
Metal ingot blank with semi-solid temperature is formed near net-shaped metal with mold with the method that die pressure shapes by step d) Part.
2. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 1, it is characterised in that: in step C) step c1 is additionally provided between step d)): heat preservation 5 seconds to 30 seconds is carried out to metal ingot blank.
3. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 1, it is characterised in that: step c) In, metal ingot blank is heated using electromagnetic inductor.
4. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 1, it is characterised in that: step d) In, the forming process of near net-shaped metal parts is such that mold includes upper die and lower die, and successively phase is equipped on upper die and lower die Feed inlet section even, flow channel section, type chamber section, feed inlet section, flow channel section, the type chamber section of upper die and lower die, which pieces together, to be sequentially communicated Metal ingot blank in semi-solid temperature is put into feed inlet by feed inlet, runner, type chamber, suitable with shape, the size with feed inlet The nip roll matched squeezes metal ingot blank, and nip roll will be in the metal ingot blank of semi-solid temperature from the feed inlet of mold, by narrow Runner is entered in the type chamber of mold and is filled, to form near net-shaped metal parts.
5. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 4, it is characterised in that: runner Cross-sectional area is not more than 1/10th of nip roll cross-sectional area.
6. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 4, it is characterised in that: step d) In, volume > type chamber volume+runner volume of metal ingot blank, the nip roll pressure stamping to metal ingot blank is known as first Pressure, after the cavity filling for completing mold, nip roll carries out pressure maintaining near net-shaped metal parts with second pressure.
7. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 4, it is characterised in that: the second pressure Power is generally higher than first pressure, and the dwell time is not less than 3 seconds.
8. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 1, it is characterised in that: step d) The forming process of near net-shaped metal parts is such that the mold is forging mold, and the mold includes upper die and lower die, will Metal ingot blank is placed between upper die and lower die, is molded with forging equipment by upper die and lower die, to form near net-shaped metal Part.
9. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 1, it is characterised in that: step a) It is additionally provided with step b) between step c): metal ingot blank being processed into metal ingot blank with pressure processing craft.
10. a kind of method for producing high-intensitive near net-shaped metal parts according to claim 9, it is characterised in that: step B) pressure processing craft described in includes hot extrusion, any one in hot rolling.
CN201811052890.5A 2018-09-10 2018-09-10 A method of producing high-intensitive near net-shaped metal parts Pending CN109290543A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811052890.5A CN109290543A (en) 2018-09-10 2018-09-10 A method of producing high-intensitive near net-shaped metal parts
PCT/CN2019/105001 WO2020052528A1 (en) 2018-09-10 2019-09-10 Method for producing high-strength near-net-shaped metal part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811052890.5A CN109290543A (en) 2018-09-10 2018-09-10 A method of producing high-intensitive near net-shaped metal parts

Publications (1)

Publication Number Publication Date
CN109290543A true CN109290543A (en) 2019-02-01

Family

ID=65166736

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811052890.5A Pending CN109290543A (en) 2018-09-10 2018-09-10 A method of producing high-intensitive near net-shaped metal parts

Country Status (2)

Country Link
CN (1) CN109290543A (en)
WO (1) WO2020052528A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020052528A1 (en) * 2018-09-10 2020-03-19 佛山峰合精密喷射成形科技有限公司 Method for producing high-strength near-net-shaped metal part
CN112387968A (en) * 2020-11-16 2021-02-23 合肥工业大学 Process method for preparing high-strength aluminum alloy multi-rib variable-section complex component
CN112475294A (en) * 2020-10-20 2021-03-12 佛山峰合精密喷射成形科技有限公司 Method for producing ultra-high silicon aluminum alloy

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804034A (en) * 1985-03-25 1989-02-14 Osprey Metals Limited Method of manufacture of a thixotropic deposit
WO1997047415A1 (en) * 1996-06-12 1997-12-18 The Regents Of The University Of California Spray deposition in a low pressure environment
US5832982A (en) * 1997-01-29 1998-11-10 Williams International Co., L.L.C. Metal forming process
JP2000042709A (en) * 1998-05-12 2000-02-15 Daimlerchrysler Ag Manufacture of cylinder liner from hyper-eutectic aluminum-silicon alloy
CN1453080A (en) * 2003-05-29 2003-11-05 上海交通大学 Method of manufacturing large precise irregular pipe
CN1472026A (en) * 2003-06-10 2004-02-04 豪 张 Method for manufacturing high-strength and toughness precision irregularly metal pipe
CN1524650A (en) * 2003-09-18 2004-09-01 上海华元喷射成形有限公司 Preparation technology for jet forming and semisolid moulding largescale complex parts
CN104630667A (en) * 2015-01-29 2015-05-20 天津百恩威新材料科技有限公司 Densifying method for improving plasticity of spray-forming aluminum-silicon alloy

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100478474C (en) * 2002-07-31 2009-04-15 北京有色金属研究总院 Particle reinforced aluminium-based composite material and workpiece therefrom and its forming process
CN101603135A (en) * 2008-06-13 2009-12-16 张希林 Secondary nanophase microballon enhanced high alumina zinc base alloy composite material and preparation technology thereof
CN105798256A (en) * 2014-12-30 2016-07-27 北京有色金属研究总院 Semisolid die casting forming process for high-strength aluminum alloy steering knuckle
CN109290543A (en) * 2018-09-10 2019-02-01 佛山峰合精密喷射成形科技有限公司 A method of producing high-intensitive near net-shaped metal parts

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804034A (en) * 1985-03-25 1989-02-14 Osprey Metals Limited Method of manufacture of a thixotropic deposit
WO1997047415A1 (en) * 1996-06-12 1997-12-18 The Regents Of The University Of California Spray deposition in a low pressure environment
US5832982A (en) * 1997-01-29 1998-11-10 Williams International Co., L.L.C. Metal forming process
JP2000042709A (en) * 1998-05-12 2000-02-15 Daimlerchrysler Ag Manufacture of cylinder liner from hyper-eutectic aluminum-silicon alloy
CN1453080A (en) * 2003-05-29 2003-11-05 上海交通大学 Method of manufacturing large precise irregular pipe
CN1472026A (en) * 2003-06-10 2004-02-04 豪 张 Method for manufacturing high-strength and toughness precision irregularly metal pipe
CN1524650A (en) * 2003-09-18 2004-09-01 上海华元喷射成形有限公司 Preparation technology for jet forming and semisolid moulding largescale complex parts
CN104630667A (en) * 2015-01-29 2015-05-20 天津百恩威新材料科技有限公司 Densifying method for improving plasticity of spray-forming aluminum-silicon alloy

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
余永宁: "《金属学原理》", 31 October 2013 *
尹超林: "《压铸成型技术及模具-设计与实践》", 31 January 2017 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020052528A1 (en) * 2018-09-10 2020-03-19 佛山峰合精密喷射成形科技有限公司 Method for producing high-strength near-net-shaped metal part
CN112475294A (en) * 2020-10-20 2021-03-12 佛山峰合精密喷射成形科技有限公司 Method for producing ultra-high silicon aluminum alloy
CN112475294B (en) * 2020-10-20 2023-09-19 佛山峰合精密喷射成形科技有限公司 Method for producing ultra-high silicon aluminum alloy
CN112387968A (en) * 2020-11-16 2021-02-23 合肥工业大学 Process method for preparing high-strength aluminum alloy multi-rib variable-section complex component

Also Published As

Publication number Publication date
WO2020052528A1 (en) 2020-03-19

Similar Documents

Publication Publication Date Title
CN106563919B (en) A kind of preparation method of mobile phone center, rear cover
CN109290543A (en) A method of producing high-intensitive near net-shaped metal parts
CN101850376B (en) Method and die for forward extrusion and variable diameter bending extrusion of magnesium alloy semi-solid billets
CN100464898C (en) Process for making SiC particle reinforced composite material electronic package shell using semi-soild-state technology
CN106312016B (en) A kind of aluminum alloy forge piece vibration casting forging combined shaping method
CN102699081B (en) Semi-solid-state thixotropic extrusion forming method for Al-Si-Fe alloy engine cylinder sleeve
CN101537480A (en) Semi-solid forming and casting technology of aluminum magnesium alloy pot
CN101244454A (en) Accurate casting method for metal leakage type suction pouring titanium master alloy
CN101623741A (en) Method for formation and die design of one-die multi-part high SiC volume fraction structural part
CN108296468A (en) A kind of pressure regulation supercharging casting machine fills the casting device and casting method of type High Pressure Solidification with low pressure
CN105081275B (en) A kind of preparation method of classification pressurised liquid die forging aluminium alloy engine cylinder cap
CN104550888B (en) A kind of method that can produce semi-solid metal slurrg continuously
CN101537479A (en) Semi-solid forming process method for forming high silicon-aluminum alloy encapsulated shell structural member
CN107737814A (en) A kind of automobile engine aluminium alloy post production technology
JP3635258B2 (en) Molding method and mold of semi-solid aluminum compact
CN107598129A (en) A kind of magnesium alloy seamless closure frame and its semi-solid forming method
CN112725651A (en) Semi-solid forming technology for aluminum-based composite material electronic packaging shell
CN107457386A (en) It is a kind of persistently to cool down serpentine flow path semi-solid rheological die casting equipment
CN108237210A (en) A kind of high tough aluminium alloy automobile connector Semi-solid Thixo-Casting method
CN104264089A (en) Process for preparing semisolid aluminum alloy blank by compounding electromagnetic molding and secondary remelting
CN109622835A (en) A kind of casting forging of Model For The Bush-axle Type Parts is compounded to form device
CN100438999C (en) Manufacturing process for rheologic extrusion molding of sacrificial magnesium anode and device thereof
CN107552754A (en) A kind of method of semi-solid rheological shaping production magnesium alloy auto support parts
CN107983929A (en) A kind of heating furnace cobalt alloy cushion block semi-solid die casting process
CN113399642A (en) Die-casting method for uniform acceleration pressure chamber inoculation semi-solid rheology

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190201