CN107009017A - A kind of complex method of three-layer metal material single explosive forming - Google Patents

A kind of complex method of three-layer metal material single explosive forming Download PDF

Info

Publication number
CN107009017A
CN107009017A CN201710337815.2A CN201710337815A CN107009017A CN 107009017 A CN107009017 A CN 107009017A CN 201710337815 A CN201710337815 A CN 201710337815A CN 107009017 A CN107009017 A CN 107009017A
Authority
CN
China
Prior art keywords
compound plate
explosive
metal material
layer metal
complex method
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
CN201710337815.2A
Other languages
Chinese (zh)
Inventor
夏潮荣
杨超
周佐玉
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.)
Hubei Jin Lan Special Metal Material Co Ltd
Original Assignee
Hubei Jin Lan Special Metal Material 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 Hubei Jin Lan Special Metal Material Co Ltd filed Critical Hubei Jin Lan Special Metal Material Co Ltd
Priority to CN201710337815.2A priority Critical patent/CN107009017A/en
Publication of CN107009017A publication Critical patent/CN107009017A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/06Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
    • B23K20/08Explosive welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a kind of complex method of three-layer metal material single explosive forming, belong to specialty metal processing technique field.It solves the technical problems such as existing sheet material composite cost height.A kind of complex method of three-layer metal material single explosive forming, the sheet material of explosive forming has substrate, compound plate one and compound plate two, the step such as the arrangement of this complex method including ground, the overlapping of compound plate, the placement of explosive, the assigning of detonator, igniting blasting, subsequent treatment, the present invention has the advantages that cost is low, efficiency high.

Description

A kind of complex method of three-layer metal material single explosive forming
Technical field
The invention belongs to characteristic metal processing technique field, it is related to a kind of the compound of three-layer metal material single explosive forming Method.
Background technology
With the development of science and technology, application of the new material in industrial technology is more and more extensive.Explosive metal composite is more next More it is widely used in the industrial circles such as oil, metallurgy, machinery, Aero-Space, ocean engineering, nuclear power.
Explosive clad plate is that the compound plate that will be prepared is placed on substrate, and one layer of explosive, profit are then laid on compound plate The instantaneous super-pressure and bypervelocity impact produced during with explosive charge can realize the solid-state metallurgical binding of metal interlevel.Blast at present The composite of composite plate production has two layers and more than two layers, but is single blast individual layer at present, such as needs to be combined for more than two layers Material, is both needed to carry out individual layer one by one and is combined.There are particular/special requirement or material welding characteristic itself to carry out three times for composite Compound, individual layer Explosion composite production process is more one by one, efficiency bottom, manufacturing cost are high.
The content of the invention
The purpose of the present invention be for existing technology exist above mentioned problem there is provided a kind of three-layer metal material single is quick-fried The complex method of fried shaping, the technical problems to be solved by the invention are how to realize three-layer metal material single composite molding.
The purpose of the present invention can be realized by following technical proposal:A kind of three-layer metal material single explosive forming is answered Conjunction method, it is characterised in that the sheet material of explosive forming has substrate, compound plate one and compound plate two, this complex method includes following step Suddenly:
A, ground arrangement:Fine sand of the place mat a layer thickness in 200mm~500mm on the smooth strong ground of open ground Layer, forms the fort for explosive forming;Requirement to fort is:It is soft it is suitable, have some strength, and can buffer, because whole Individual explosive welding process is completed in moment, and high intensity, high pressure are acted on fort, it is necessary to fort has preferable intensity, Sheet material is prevented during explosive welding unbalance stress occur and cause deformation larger or local burst;Simultaneously, it is also desirable to which sheet material is entered Row buffering, to alleviate impulsive force of the sheet material in blast process, improves the flatness and the uniformity of sheet material welding position, can also carry Security in high technology processing procedure;Ground uses the bearing mode for the formula of being squashed in this method, and fine sand layer is hit power Backward outer ring is squashed, and meets the requirement of explosive welding.
B, compound plate overlapping:Substrate is placed on the ground, the compound plate one and compound plate two once overlayed described On substrate, some supporters are uniformly arranged between compound plate one and substrate, between compound plate two and compound plate one;The effect of supporter It is:To provide certain accelerating space between compound plate one and composite plate two, between substrate and compound plate one, rushed by HTHP When hitting, the metal jet that supporter is formed wash away or be melted under the influence of high pressure and temperature two kinds of sheet material faying faces it Between.
C, explosive placement:One and the gabarit identical medicine frame of compound plate two are made, medicine frame is placed on to the top of compound plate two, Set some support sticks to fix medicine frame between medicine frame and ground, will formula explosive by technological parameter requirement it is evenly laid out The medicine inframe;Whole blast process is extremely short, and the effect of medicine frame and support stick is interim fixed formula explosive, prevents explosive stream Leakage etc..
D, detonator are assigned:In formula explosive specified location insertion detonator, assigning increases certain dose as rising at detonator Quick-fried medicine, and detonator is fixed, detonator lead is drawn to safety zone;Detonator is used for the formula explosive that ignites, and ensures formula explosive wink Between complete blast, prevent false combustion, it is unburned situations such as, ensure the safety of operation.
E, igniting blasting:Point combustion wire is by cap sensitive, and formula explosive blanket type, which ignites, completes three-layer metal Material cladding.
F, subsequent treatment:Non-Destructive Testing is carried out to the composite plate after explosive welding, the detonator region of composite plate is repaiied It is multiple, process specifications are reached, target product size and technical requirements are reached by heat treatment, smoothing, Non-Destructive Testing, cutting, Finally it is surface-treated, forms finished product composite plate.
In a kind of complex method of above-mentioned three-layer metal material single explosive forming, the contour dimension of compound plate one is big In the contour dimension of the substrate, the contour dimension of the compound plate two is equal to or more than the contour dimension of the compound plate one.So Setting mainly reduce or eliminate harmful effect of the edge effect to production board of explosion time.
In a kind of complex method of above-mentioned three-layer metal material single explosive forming, the supporter be copper or aluminium or Titanium or copper-titanium alloy or albronze or aluminum titanium alloy.The supporter of different materials is selected according to the characteristic of sheet material, it is desirable to be:It is full The sufficient unsupported body influence of properties of product, supporter can be merged with corresponding sheet material.
In a kind of complex method of above-mentioned three-layer metal material single explosive forming, the thickness of the supporter is 0.10mm~0.25mm.
In a kind of complex method of above-mentioned three-layer metal material single explosive forming, the medicine frame is fiberboard or paper Lumber is made.In blast process, medicine frame moment turns to dust and ashes residue, and its cost and manufacture complexity, are the main of selection Standard, fiberboard and paper sheet have pliable foldable type, easy to operate, low cost and other advantages.
In a kind of complex method of above-mentioned three-layer metal material single explosive forming, the supporter includes a set Cylinder and the base below sleeve.In actual mechanical process, the shape of supporter can also be V-type, N-type, W types, wherein Supporter with sleeve and base has structural strength height, stability is strong, syncretizing effect is good, volume-diminished is traditional support body 1/3, in ultrasonic examination will not display defect ripple the advantages of.
In a kind of complex method of above-mentioned three-layer metal material single explosive forming, the supporter is in substrate and again Distribution ranks spacing between plate one is 300mm~500mm;Distribution and base of the supporter between compound plate one and compound plate two Corresponded to up and down between plate and compound plate one consistent.
Data statistics in actual production process shows, single explosive forming is carried out to three-layer metal material using this method Success rate be up to more than 98%, a small amount of failure operation is due to the consumption and compound plate one or the thickness of compound plate two for being formulated explosive Fail to reach coordination ratio, cause compound plate one or compound plate two slightly to deform, cause support body supports highly inconsistent, cause blast Moment exhaust is not smooth, and phenomenon is melted in faying face.
Nevertheless, this method composite three-layer metal material almost only needs to the one of former method on the consumption of formula explosive Half, compared to conventional method, heat treatment, the number of times for polishing, smoothing and transport back and forth semi-finished product halve, and substantially increase production effect Rate, reduces production cost;
Metallic plate is thick and heavy, size is larger, and carrying out a field explosive welding needs substantial amounts of manpower and financial resources, three-layer metal Material single composite molding, reduces human cost, reduces to the noise pollution of resident and environmental pollution near blast place, The production of special metal material is beneficial to industrial development, by oil, metallurgy, machinery, Aero-Space, ocean engineering, nuclear power, polycrystalline The eager demand of the industrial circles such as silicon, is a national future development field, army's industrial circle and heavy manufacturing important branch Support, follows energy-conserving and environment-protective, high-quality and efficient main trend, strong work of making the country prosperous.
Brief description of the drawings
Fig. 1 is the schematic diagram that each sheet material and part are stacked, assembled in the present invention.
In figure, 1, substrate;2nd, compound plate one;3rd, compound plate two;4th, well-off ground;5th, supporter;6th, medicine frame;7th, support stick; 8th, detonator;9th, fort;10th, it is formulated explosive.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in figure 1, the sheet material of explosive forming has substrate 1, compound plate 1 and compound plate 23, this complex method includes as follows Step:
A, well-off ground 4 are arranged:Place mat a layer thickness is in 200mm~500mm on the smooth strong ground of open ground Fine sand layer as fort 9, form the ground 4 for explosive forming;It is to ground 4 and the combination requirement of fort 9:High intensity, energy Buffering because whole explosive welding process is completed in moment, high intensity, high pressure act on ground 4 and fort 9, it is necessary to Ground 4 has preferable intensity, and fort 9 has certain cushioning effect, and sheet material occurs deforming and wrong during preventing explosive welding Position;Simultaneously to alleviate impulsive force of the sheet material in blast process, the flatness and the uniformity of sheet material welding position are improved, can also be carried Security in high technology processing procedure;The bearing mode for the formula of being squashed is used in this method, fort 9 is hit after power outwards Circle is squashed, and meets the requirement of explosive welding.
B, compound plate overlapping:Substrate 1 is placed on ground 4, compound plate 1 and compound plate 23 are once stacked on substrate 1, Some supporters 5 are uniformly arranged between compound plate 1 and substrate 1, between compound plate 23 and compound plate 1;The effect of supporter 5 is: To provide uniform stress point between compound plate 1 and composite plate two, between substrate 1 and compound plate 1, HTHP impact is being received When, supporter 5 destroys the smooth of binding face, and the binding face between two kinds of sheet materials is interpenetrated, mingles, merged.
C, explosive placement:One and the gabarit identical medicine frame 6 of compound plate 23 are made, medicine frame 6 is placed on compound plate 23 Top, sets some support sticks 7 to fix medicine frame 6 between medicine frame 6 and ground 4, and formula explosive 10 is laid in into medicine frame 6 It is interior;Whole blast process is extremely short, and the effect of medicine frame 6 and support stick 7 is interim fixed formula explosive 10, prevents explosive stream from leaking Deng.
D, detonator 8 are assigned:Detonator 8 is inserted on formula explosive 10, detonator 8 is fixed on medicine frame 6, the lead of detonator 8 Draw to safety zone;Detonator 8 is used for the formula explosive 10 that ignites, and ensures that the formula moment of explosive 10 completes blast, prevents vacation Combustion, it is unburned situations such as, ensure operation safety.
E, igniting blasting:Point combustion wire ignites detonator 8, and the formula blanket type of the explosive 10 completion three-layer metal material that ignites is answered Close.
F, subsequent treatment:Non-Destructive Testing is carried out to the composite plate after explosive welding, the detonator region of composite plate is repaiied It is multiple, process specifications are reached, target product size, technical requirements are reached by heat treatment, smoothing, Non-Destructive Testing, cutting, most It is surface-treated afterwards, forms finished product composite plate.
Supporter is copper or aluminium or titanium or copper-titanium alloy or albronze or aluminum titanium alloy.According to the selection of the characteristic of sheet material not With the supporter of material, it is desirable to be:The unsupported body influence of properties of product is met, supporter can be merged with corresponding sheet material.
Supporter 5 is copper or aluminium or titanium or copper-titanium alloy or albronze or aluminum titanium alloy.Selected according to the characteristic of sheet material The supporter 5 of different materials, it is desirable to be:Meeting the unsupported body 5 of performance is influenceed, and supporter 5 can be merged with corresponding sheet material;Branch The thickness of support body 5 is 0.10mm~0.25mm.
Medicine frame 6 is made up of fiberboard or paper sheet;In blast process, the moment of medicine frame 6 turns to dust and ashes residue, its cost and Complexity is manufactured, is the main standard of selection, fiberboard and paper sheet have pliable foldable type, operating aspect, cost bottom The advantages of.
Supporter 5 includes sleeve and the base below sleeve.In actual mechanical process, the shape of supporter may be used also To be V-type, N-type, W types, wherein the supporter 5 with sleeve and base has, structural strength is high, stability is strong, volume-diminished is biography Unite supporter 1/3, in ultrasonic examination will not display defect ripple the advantages of.Supporter 5 is between substrate 1 and compound plate 1 Distribution ranks spacing be 300mm~500mm;Distribution of the supporter 5 between compound plate 1 and compound plate 23 and substrate 1 and Corresponded to up and down between compound plate 1 consistent.
Data statistics in actual production process shows, single explosive forming is carried out to three-layer metal material using this method Success rate be up to more than 98%, a small amount of failure operation is due to the thickness of the consumption and compound plate 1 or compound plate 23 that are formulated explosive Degree fails to reach coordination ratio, causes compound plate 1 or compound plate 23 slightly to deform, causes the bearing height of supporter 5 inconsistent, lead Cause instant of detonation exhaust not smooth, phenomenon is melted in faying face.
Nevertheless, this method composite three-layer metal material almost only needs to the one of former method on the consumption of formula explosive Half, compared to conventional method, heat treatment, the number of times for polishing, smoothing and transport back and forth semi-finished product halve, and substantially increase production effect Rate, reduces production cost;
Metallic plate is thick and heavy, size is larger, and carrying out a field explosive welding needs substantial amounts of manpower and financial resources, three-layer metal Material single composite molding, reduces human cost, reduces to the noise pollution of resident and environmental pollution near blast place, The production of special metal material is beneficial to industrial development, by oil, metallurgy, machinery, Aero-Space, ocean engineering, nuclear power, polycrystalline The eager demand of the industrial circles such as silicon, is a national future development field, army's industrial circle and heavy manufacturing important branch Support, follows energy-conserving and environment-protective, high-quality and efficient main trend, strong work of making the country prosperous.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (7)

1. a kind of complex method of three-layer metal material single explosive forming, it is characterised in that the sheet material of explosive forming has base Plate (1), compound plate one (2) and compound plate two (3), this complex method comprise the following steps:
A, ground (4) arrangement:Fine sand of the place mat a layer thickness in 200mm~500mm on the smooth strong ground of open ground Layer forms the ground (4) for explosive forming as fort (9);
B, compound plate overlapping:Substrate (1) is placed on the ground (4), the compound plate one (2) and compound plate two (3) are once folded Be placed on the substrate (1), between compound plate one (2) and substrate (1), compound plate two (3) and compound plate one (2) if between be uniformly arranged Heavenly Stems and Earthly Branches support body (5).
C, the placement for being formulated explosive:One and compound plate two (3) gabarit identical medicine frame (6) are made, medicine frame (6) is placed on compound plate The top of two (3), some support sticks (7) for being used to fix medicine frame (6) are set between medicine frame (6) and ground (4), will be formulated Explosive (10) is laid in the medicine frame (6).
D, detonator (8) are assigned:Insertion detonator (8), detonator (8) is fixed on medicine frame (6), detonator on formula explosive (10) (8) lead is drawn to safety zone.
E, igniting blasting:Point combustion wire ignites detonator (8), and formula explosive (10) blanket type completion three-layer metal material that ignites is answered Close.
F, subsequent treatment:To the composite plate after explosive welding through Overheating Treatment, smoothing, Non-Destructive Testing etc., to the detonator of composite plate (8) region is repaired, and then edge surplus is cut, and reaches target size and shape, finally carries out surface throwing Light, forms finished product composite plate.
2. a kind of complex method of three-layer metal material single explosive forming according to claim 1, it is characterised in that described Compound plate one (2) contour dimension is more than the contour dimension of the substrate (1), and the contour dimension of the compound plate two (3) is equal to or more than The contour dimension of the compound plate one (2).
3. a kind of complex method of three-layer metal material single explosive forming according to claim 2, it is characterised in that described Supporter (5) is copper or aluminium or titanium or copper-titanium alloy or albronze or aluminum titanium alloy.
4. a kind of complex method of three-layer metal material single explosive forming according to claim 3, it is characterised in that described The thickness of supporter (5) is 0.10mm~0.25mm.
5. a kind of complex method of three-layer metal material single explosive forming according to claim 4, it is characterised in that described Medicine frame (6) is made up of fiberboard or paper sheet.
6. a kind of complex method of three-layer metal material single explosive forming according to claim 5, it is characterised in that described Supporter (5) includes sleeve and the base below sleeve.
7. a kind of complex method of three-layer metal material single explosive forming according to claim 6, it is characterised in that described Distribution ranks spacing of the supporter (5) between substrate and compound plate one (2) is 300mm~500mm;The supporter (5) is multiple Distribution spacing between plate one (2) and compound plate two (3) is 300mm~500mm.
CN201710337815.2A 2017-05-15 2017-05-15 A kind of complex method of three-layer metal material single explosive forming Pending CN107009017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710337815.2A CN107009017A (en) 2017-05-15 2017-05-15 A kind of complex method of three-layer metal material single explosive forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710337815.2A CN107009017A (en) 2017-05-15 2017-05-15 A kind of complex method of three-layer metal material single explosive forming

Publications (1)

Publication Number Publication Date
CN107009017A true CN107009017A (en) 2017-08-04

Family

ID=59449089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710337815.2A Pending CN107009017A (en) 2017-05-15 2017-05-15 A kind of complex method of three-layer metal material single explosive forming

Country Status (1)

Country Link
CN (1) CN107009017A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108067840A (en) * 2017-12-01 2018-05-25 洛阳双瑞金属复合材料有限公司 A kind of manufacturing method of thin copper-titanium dissimilar metal composite material
CN109986192A (en) * 2019-03-28 2019-07-09 湖北金兰特种金属材料有限公司 Aluminum steel connector explosion welding method
CN115138958A (en) * 2022-07-06 2022-10-04 中煤科工集团淮北爆破技术研究院有限公司 Explosion welding method for underwater double-sided metal composite plate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060219759A1 (en) * 2005-03-30 2006-10-05 Reactive Nanotechnologies, Inc. Method for fabricating large dimension bonds using reactive multilayer joining
CN103317222A (en) * 2013-07-05 2013-09-25 中国科学技术大学 Special structural explosive for explosive cladding, explosive cladding method and explosive cladding device
CN103612433A (en) * 2013-09-29 2014-03-05 魏玲 Metal honeycomb material used in aerospace and aircraft separation layer, and preparation method thereof
CN104526151A (en) * 2014-12-02 2015-04-22 太原理工大学 Explosive welding forming method for magnesia-alumina-titanium alloy composite board
CN104690411A (en) * 2015-03-13 2015-06-10 安徽宝泰特种材料有限公司 Explosive cladding structure of aluminum-titanium steel composite board and method for preparing aluminum-titanium steel composite board
CN106271017A (en) * 2016-09-06 2017-01-04 广西大学 A kind of explosion welding method of aluminium alloy fine aluminium steel composite board
CN106624330A (en) * 2017-01-24 2017-05-10 太原科技大学 Explosive welding processing method for stainless steel-copper-magnesium alloy composite board

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060219759A1 (en) * 2005-03-30 2006-10-05 Reactive Nanotechnologies, Inc. Method for fabricating large dimension bonds using reactive multilayer joining
CN103317222A (en) * 2013-07-05 2013-09-25 中国科学技术大学 Special structural explosive for explosive cladding, explosive cladding method and explosive cladding device
CN103612433A (en) * 2013-09-29 2014-03-05 魏玲 Metal honeycomb material used in aerospace and aircraft separation layer, and preparation method thereof
CN104526151A (en) * 2014-12-02 2015-04-22 太原理工大学 Explosive welding forming method for magnesia-alumina-titanium alloy composite board
CN104690411A (en) * 2015-03-13 2015-06-10 安徽宝泰特种材料有限公司 Explosive cladding structure of aluminum-titanium steel composite board and method for preparing aluminum-titanium steel composite board
CN106271017A (en) * 2016-09-06 2017-01-04 广西大学 A kind of explosion welding method of aluminium alloy fine aluminium steel composite board
CN106624330A (en) * 2017-01-24 2017-05-10 太原科技大学 Explosive welding processing method for stainless steel-copper-magnesium alloy composite board

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108067840A (en) * 2017-12-01 2018-05-25 洛阳双瑞金属复合材料有限公司 A kind of manufacturing method of thin copper-titanium dissimilar metal composite material
CN109986192A (en) * 2019-03-28 2019-07-09 湖北金兰特种金属材料有限公司 Aluminum steel connector explosion welding method
CN109986192B (en) * 2019-03-28 2022-04-08 湖北金兰特种金属材料有限公司 Explosive welding method for aluminum steel joint
CN115138958A (en) * 2022-07-06 2022-10-04 中煤科工集团淮北爆破技术研究院有限公司 Explosion welding method for underwater double-sided metal composite plate
CN115138958B (en) * 2022-07-06 2023-08-08 中煤科工集团淮北爆破技术研究院有限公司 Explosion welding method for underwater double-sided metal composite plate

Similar Documents

Publication Publication Date Title
CN107009017A (en) A kind of complex method of three-layer metal material single explosive forming
CN101352805B (en) Method for producing stainless steel composite steel plate
CN109405647B (en) Brick wall type multilayer tortoise shell protection device and preparation method thereof
CN101502910B (en) Explosion welding technology for machining and manufacturing continuous casting roller
CN104525954B (en) Preparation method of layered toughening tungsten
CN101021164A (en) Methods and apparatus for turbine engine rotors
CN106944736A (en) The double vertical explosive welding 3-layer composite materials of the high corrosion resistant titanium/aluminium/titanium of light-high-strength
CN103894722A (en) Explosive welding forming method of titanium and common low alloy steel composite seal head
CN105478991A (en) Preparation method for heat-resistant component containing embedded runner, of fusion reactor blanket
CN107876941A (en) Steel plate buried arc welding method
EP1400300B1 (en) Layered heat-resistant alloy plate and method of producing the same
CN107813024A (en) A kind of combination method for welding of honeycomb and copper-nickel alloy, high temperature alloy part
CN206343842U (en) A kind of soldering steel pistons
CN104197062A (en) Structure of sealing surface of valve body of small-diameter high-pressure forged steel stop valve
CN112170531A (en) Anti-radiation ODS steel-steel composite plate and preparation method thereof
CN208964956U (en) A kind of blast-furnace tuyere device with compression and sealing function
CN201393899Y (en) Stretching iron pan
CN101396752A (en) Surfacing method of alloy steel gear-wheel gear-ring transition layer
CN107937818A (en) Combined type cam and its manufacture method
CN108188672A (en) A kind of gear ring process for machining
JPS62280305A (en) Production of roll
CN205522771U (en) Composite metal spare
CN107695630B (en) A kind of convex copper-steel composite plate preparation method
CN107971486B (en) A kind of sintering jig and its application method
CN213733832U (en) Stainless steel-titanium-aluminum explosion composite board and connecting piece made of same

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

Application publication date: 20170804

RJ01 Rejection of invention patent application after publication