CN106825898A - A kind of explosive welding processing method of stainless steel magnesium alloy composite board - Google Patents
A kind of explosive welding processing method of stainless steel magnesium alloy composite board Download PDFInfo
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- CN106825898A CN106825898A CN201710052454.7A CN201710052454A CN106825898A CN 106825898 A CN106825898 A CN 106825898A CN 201710052454 A CN201710052454 A CN 201710052454A CN 106825898 A CN106825898 A CN 106825898A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-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
- B23K20/08—Explosive welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
- B23K2103/05—Stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/15—Magnesium or alloys thereof
Abstract
A kind of explosion welding method of stainless steel magnesium alloy composite board, belongs to composite plate preparing technical field, and it is cladding using stainless steel, and magnesium alloy is basic unit, and explosive welding is carried out using expanded ammonium nitrate composite explosives as the blast energy；Magnesium alloy plate is made annealing treatment before explosive welding, mechanical grinding stainless steel, magnesium alloy plate face to be combined, destructor is arranged on earthen foundation, rubber layer is laid on ground, using expanded ammonium nitrate composite explosives, electric cap is remotely ignited.The present invention is simple to operate, economical, Surface bond rate 100%, and interface bond strength 130.0Mpa is the feasible method for preparing stainless steel magnesium alloy composite board.
Description
Technical field
The invention belongs to composite plate preparing technical field, specifically stainless steel is compound with magnesium alloy.
Background technology
The deficiency such as the intrinsic plastic deformation ability of magnesium alloy is low, surface gap sensitiveness is strong, corrosion resistance is poor so that magnesium alloy
It is quite limited relative to the application of numerous metal materials.
Improving the corrosive method of Mg alloy surface at present has the methods such as plating, chemical plating, thermal spraying come for magnesium alloy adds
Plus metal coating, improve the corrosivity of magnesium alloy substrate.Aforesaid operations are complicated, and coating is thin, and coating is with magnesium matrix bond strength
Low, the mechanical property to magnesium alloy substrate does not improve.
Stainless steel is a kind of high-alloy steel that can resist acid, alkali, salt and its solution and the corrosion of some other corrosive medium,
It is one of most widely used metal in industrial production.Stainless steel in addition to outstanding corrosion resistance, also with excellent mechanical strength,
High-temperature oxidation, toughness and weldability.In view of stainless steel has, plasticity is high, erosion-resisting feature, if by magnesium alloy with not
Rust steel is combined and is made composite wood plate, can not only improve the surface corrosion resistance performance of magnesium alloy materials, can also improve magnesium alloy base
The comprehensive mechanical property of body, meets the service demand of material.This is the effective way for widening magnesium alloy materials application, with important
Practical significance.
Known by iron magnesium binary phase diagraml, ferro element upper indissoluble metallurgical with magnesium elements is closed, and magnesium alloy and stainless steel fusing point phase
Difference is very big, and two kinds of materials difference in itself, is that the connection of two kinds of materials has manufactured difficulty.Explosive welding be applied to it is of the same race or
The production of person's dissimilar metal clad plate, but the material of poor toughness easily produces embrittlement when explosive welding is implemented.
Chinese patent " magnesium-steel composite board and preparation method thereof " (publication number CN103551383), discloses with rolling
Method magnesium steel composite board, the method needs to add intermediate layer and could realize the combination of magnesium steel, and the manufacture to composite plate increased
Cost, explosive welding need not add intermediate layer, can be with straight forming.
The content of the invention
The purpose of the present invention is directed to the situation of background technology, by the patent before weldering to magnesium alloy materials, utilizes
Specific explosion weld process, makes the magnesium alloy plate of plasticity difference, and with indissoluble on metallurgy, the stainless steel that fusing point differs greatly is realized connecting
Connect, being made stainless steel magnesium alloy composite board can improve magnesium alloy matrix surface corrosion resistance and comprehensive mechanical property, and the present invention is helped
In the use scope for expanding magnesium alloy plate.
Technical solution of the present invention：A kind of explosion welding method of stainless steel magnesium alloy composite board, it is characterised in that：Using not
Rust steel is cladding, and magnesium alloy is basic unit, using expanded ammonium nitrate composite explosives as the blast energy.
Expanded ammonium nitrate composite explosives proportioning is ammonium nitrate 85%, diesel oil 3%, wood chip 8.5%, industrial salt 3.5%, expanded
The density 0.85g/cm of ammonium nitrate composite explosives3, 2500 ~ 2700m/s of detonation velocity.
A kind of explosion welding method of stainless steel magnesium alloy composite board, it is characterised in that：Explosive welding is comprised the following steps：
（1）Magnesium alloy plate and stainless steel plate are selected as the mother metal of explosive welding；And annealing toughening is carried out to magnesium alloy plate；
（2）Magnesium alloy plate and stainless steel plate interface to be combined are polished；
（3）Cushion rubber layer is padded below magnesium alloy plate, gap post is arranged on magnesium alloy plate, the height of gap post=（1.5~
2.5）× stainless steel plate thickness, the spacing between the post of gap is 100mm, and in gap, post is placed above stainless steel plate, stainless steel plate
Butter is applied above, uniform thickness does not lay one layer of explosive above butter, initiation ends explosive thickness is fried more than blast ending end explosive thickness,
Medicine layer terminates end and seamlessly transits from initiation ends to blast；
（4）Detonator is inserted into explosive layer, the cap length of explosive layer is inserted more than 1/2nd of initiation ends explosive thickness, and
Addition 2 ~ 5mg hexogen in 5 ~ 10mm radius around detonator；
（5）Detonator lead is more than 40 meters, and using electromagnetic control apparatus detonating primer, explosive welding is completed.
The gap post is 20mm for a block length, and width is（1.5~2.5）× stainless steel plate thickness, thickness is 0.5mm
Rectangle stainless steel thin slice, bend some foldings in the length direction of rectangle stainless steel thin slice, angle of bend is 100 ~ 120 degree；
Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to stainless steel magnesium alloy composite board, stainless
Steel magnesium alloy composite board Percentage bound 99.8%；According to GB/T6369-2008, test stainless steel magnesium alloy composite board interface is drawn and cuts strong
Degree, the tensile-sbear strength at interface is 120 ~ 138Mpa；Surface scan analysis, the component of two planes of disruption are carried out to tensile-shear crack interface
All magnesium, illustrates that tensile-shear crack occurs in magnesium alloy position, it was demonstrated that explosive welding makes two kinds of materials of magnesium alloy and stainless steel
Generate firm combination；Combination interface is observed using surface sweeping Electronic Speculum SEM, calmodulin binding domain CaM is showed microwave shape, existed using EDS
Near interface does line surface sweeping analysis, and magnesium elements and ferro element spread.
The present invention has the following advantages relative to existing technology：
（1）Using explosive welding production magnesium steel composite board for processing is rolled, advantage is, base compound plate area, thickness
Unrestricted, the plate face size of the composite plate that explosive welding is made, thickness can as needed configure two kinds of portfolio ratios of mother metal.
Equipment limit is not received, low cost of manufacture is easy to operate without intermediate layer.
（2）Annealing patent is carried out to magnesium alloy plate before blast, blast process magnesium alloy embrittlement is prevented.
（3）Buffered using rubber air mattress, prevent ground recoil strength from causing the magnesium alloy plate of plasticity difference to ftracture.
（4）Using this explosion welding technique, indissoluble on metallurgy is realized, the stainless steel and magnesium alloy that fusing point differs greatly are high
Effect connection.
（5）On magnesium alloy, the characteristics of being effectively improved Mg alloy surface and be easily corroded, simultaneously synthesizing answers stainless steel double
Plywood intensity is higher than magnesium alloy substrate.
（6）Using the welding procedure of not uniform thickness cloth medicine at from initiation ends to blast ending, it is combined after reducing explosive welding
The region area of the non-soldering of edges of boards circle.
（7）The defects such as microstructure observation's interface pore-free, crackle, 120 ~ 138Mpa of interface tensile-sbear strength.
Brief description of the drawings
Fig. 1 is stainless steel/magnesium alloy composite board explosion welding apparatus schematic diagram；
In figure：1st, earthen foundation, 2, rubber base plate, 3, magnesium alloy plate, 4, gap post, 5, stainless steel plate, 6 butter layers, 7 medicine frames, 8
Nitrolite, 9 electric caps.
Fig. 2 is explosive welding stainless steel/magnesium alloy composite board interface microscopic appearance；
Fig. 3 is near interface elemental line scan figure；
Fig. 4 is the shape graph of the curved edges of intermediate gap post of the present invention.
Specific embodiment one
（1）AZ31B magnesium alloy plates and 2205 stainless steel plates are selected as the mother metal of explosive welding；And AZ31B magnesium alloy plates are entered
Row annealing toughening, 300 DEG C of annealing temperature, soaking time 120min；
AZ31B magnesium alloy plates：1000mmX600mmX3mm；
2205 stainless steel plates：1050 mmX650mmX2mm；
（2）Using the method for mechanical grinding, the oxide layer at removal AZ31B magnesium alloy plates and 2205 stainless steel plates interface to be combined and
Impurity：To be polished at the beginning of stainless steel and magnesium alloy interface to be combined using the angle grinder of installation grinding wheel, wire brush, Ran Houyong
The sand paper polishing of 600 mesh, makes surface roughness Ra to be combined no more than 2 μm, then wipes clean face to be combined with dry wipe.
（3）The AZ31B magnesium alloy plates and 2205 stainless steel plates that will be handled well carry out explosive welding：I.e. explosive welding is in soil property
Carried out on ground, without other objects in the radius of 30 meters of periphery, the cushion rubber layer (2000 of 5mm thickness is placed on soil
MmX1600mmX5mm), cushion rubber layer is fixed with ground, and after cushion is used for reducing blast generation, ground is upward in face of composite plate
Impulsive force；Basic unit's AZ31B magnesium alloy plates are placed on cushion rubber layer, magnesia gap post is arranged on magnesium alloy plate,
Spacing between gap post is 100mm, and gap pillar height degree is 5mm, 2205 stainless steel plates is placed on the post of gap, with AZ31B magnesium
Alloy sheets are parallel；Layer coating butter on stainless steel, thickness is 2mm, and in 2205 stainless steel plate edges all coating butters,
Brown paper medicine frame and butter are bonded, 2205 stainless steel plate edges are attached to；By expanded ammonium nitrate composite explosives with not equal thickness
It is layered on the butter on the upside of 2205 stainless steel plates, end laying explosive thickness is terminated from initiation ends to blast and is gradually successively decreased, side of detonating
Explosive thickness is 27mm, blast ending end explosive thickness 15mm；Explosive layer terminates end and seamlessly transits from initiation ends to blast；Use side
Edge ignites method, and detonator is inserted in into detonating charge edge, and detonator inserts detonating charge depth for 15mm, and 5 ~ 10mm around detonator
Addition 2 ~ 5mg hexogen in radius, detonator lead is more than 40 meters；A long way off, it is quick-fried using electromagnetic control apparatus detonating primer
Fried welding is completed；
（4）The 2205/AZ31B composite plates of synthesis of exploding are carried out into annealing heat-treats, is then smoothed on level(l)ing machine；Annealing is in electricity
Carried out in resistance heater box, annealing temperature is 200 DEG C, soaking time 60min；Heat treatment temperature is warming up to 10 DEG C of speed per second
200 DEG C, after insulation terminates, composite plate furnace cooling；
（5）The non-soldering region in composite plate edge is cut with plate shearing machine（About 35mm）, cleaning stainless steel upper surface side residual
Butter, obtains 2205/AZ31B composite plates.
（6）Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to composite plate, result of detection
Show composite plate Percentage bound 99.8%；According to GB/T6369-2008, test compound board interface tensile-sbear strength, the tensile-sbear strength at interface
It is 130.0Mpa, Surface scan analysis is carried out to tensile-shear crack interface, all magnesium of component of two planes of disruption is illustrated to draw and cut
Generation is split in magnesium alloy position, rather than in joint location, it was demonstrated that explosive welding is produced makes two kinds of materials of magnesium alloy and stainless steel
Material generates firm combination；Combination interface is observed using surface sweeping Electronic Speculum SEM, calmodulin binding domain CaM shows microwave shape, interface knot
Close intact, the defect such as pore-free, crackle.Line surface sweeping is done using EDS near interface to analyze, magnesium elements and ferro element expand
Dissipate, illustrate that two kinds of materials realize metallurgical binding by diffusion reaction.
Specific embodiment two
（1）AZ31B magnesium alloy plates and 316L stainless steel plates are selected as the mother metal of explosive welding；And AZ31B magnesium alloy plates are entered
Row annealing toughening, 300 DEG C of annealing temperature, soaking time 120min；
AZ31B magnesium alloy plates：950mmX550mmX8mm；
316L stainless steel plates：1000 mmX600mmX2mm；
（2）Using the method for mechanical grinding, the oxide layer at removal AZ31B magnesium alloy plates and 316L stainless steel plates interface to be combined and
Impurity：To be polished at the beginning of stainless steel and magnesium alloy interface to be combined using the angle grinder of installation grinding wheel, wire brush, Ran Houyong
The sand paper polishing of 600 mesh, makes surface roughness Ra to be combined no more than 2 μm, then wipes clean face to be combined with dry wipe.
（3）The AZ31B magnesium alloy plates and 316L stainless steel plates that will be handled well carry out explosive welding：I.e. explosive welding is in soil property
Carried out on ground, without other objects in the radius of 30 meters of periphery, the cushion rubber layer (2000 of 5mm thickness is placed on soil
MmX1600mmX5mm), cushion rubber layer is fixed with ground；Basic unit's AZ31B magnesium alloy plates are placed on cushion rubber layer,
Magnesia gap post is arranged on magnesium alloy plate, the spacing between the post of gap is 100mm, and gap pillar height degree is 5mm, and 316L is stainless
Steel plate is placed on the post of gap, parallel with AZ31B magnesium alloy plates；Layer coating butter on stainless steel, thickness is 2mm, and
316L stainless steel plates edge all coating butters, brown paper medicine frame and butter are bonded, and are attached to 316L stainless steel plates surrounding
Edge；Expanded ammonium nitrate composite explosives are layered on the butter on the upside of 316L stainless steel plates with not equal thickness, are tied to blast from initiation ends
Beam end laying explosive thickness gradually successively decreases, and detonation side explosive thickness is 27mm, blast ending end explosive thickness 15mm；Explosive layer from
Initiation ends terminate end and seamlessly transit to blast；Method is ignited using edge, detonator is inserted in detonating charge edge, detonator insertion detonation
Explosive depth is 15mm, and adds 2 ~ 5mg hexogen in 5 ~ 10mm radius around detonator, and detonator lead is more than 40 meters；
A long way off, using electromagnetic control apparatus detonating primer, explosive welding is completed；
（4）316L/AZ31B composite plates of synthesis of exploding are carried out into annealing heat-treats, is then smoothed on level(l)ing machine；Annealing exists
Carried out in resistance heating case, annealing temperature is 200 DEG C, soaking time 60min；Heat treatment temperature is heated up with 10 DEG C of speed per second
To 200 DEG C, after insulation terminates, composite plate furnace cooling；
（5）The non-soldering region of composite plate surrounding is cut with plate shearing machine, the butter of cleaning stainless steel upper surface side residual obtains 316L
/ AZ31B composite plates.
（6）Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to composite plate, result of detection
Show composite plate Percentage bound 99.8%；According to GB/T6369-2008, test compound board interface tensile-sbear strength, the tensile-sbear strength at interface
It is 120.0Mpa, Surface scan analysis is carried out to tensile-shear crack interface, all magnesium of component of two planes of disruption is illustrated to draw and cut
Generation is split in magnesium alloy position, rather than in joint location, it was demonstrated that explosive welding is produced makes two kinds of materials of magnesium alloy and stainless steel
Material generates firm combination；Combination interface is observed using surface sweeping Electronic Speculum SEM, calmodulin binding domain CaM shows microwave shape, interface knot
Close intact, the defect such as pore-free, crackle.Line surface sweeping is done using EDS near interface to analyze, magnesium elements and ferro element expand
Dissipate, illustrate that two kinds of materials realize metallurgical binding by diffusion reaction.
Specific embodiment three
（1）AZ31B magnesium alloy plates and 304 stainless steel plates are selected as the mother metal of explosive welding；And AZ31B magnesium alloy plates are carried out
Annealing toughening, 300 DEG C of annealing temperature, soaking time 120min；
AZ31B magnesium alloy plates： 750mmX700mmX8mm；
304 stainless steel plates：800 mmX750mmX3mm；
（2）Using the method for mechanical grinding, the oxide layer at removal AZ31B magnesium alloy plates and 304 stainless steel plates interface to be combined and
Impurity：To be polished at the beginning of stainless steel and magnesium alloy interface to be combined using the angle grinder of installation grinding wheel, wire brush, Ran Houyong
The sand paper polishing of 600 mesh, makes surface roughness Ra to be combined no more than 2 μm, then wipes clean face to be combined with dry wipe.
（3）The AZ31B magnesium alloy plates and 304 stainless steel plates that will be handled well carry out explosive welding：I.e. explosive welding is in soil property
Carried out on ground, without other objects in the radius of 30 meters of periphery, the cushion rubber layer (2000 of 5mm thickness is placed on soil
MmX1600mmX5mm), cushion rubber layer is fixed with ground；Basic unit's AZ31B magnesium alloy plates are placed on cushion rubber layer,
Magnesia gap post is arranged on magnesium alloy plate, the spacing between the post of gap is 100mm, and gap pillar height degree is 5mm, by 304 stainless steels
Plate is placed on the post of gap, parallel with AZ31B magnesium alloy plates；Layer coating butter on stainless steel, thickness is 2mm, and 304 not
Rust steel plate edge coating butter, brown paper medicine frame and butter are bonded, and are attached to 304 stainless steel plate edges；Will be expanded
Ammonium nitrate composite explosives are layered on the butter on the upside of 304 stainless steel plates with not equal thickness, end laying are terminated from initiation ends to blast fried
Web degree gradually successively decreases, and detonation side explosive thickness is 30mm, blast ending end explosive thickness 20mm；Explosive layer is from initiation ends to quick-fried
Fried end of terminating seamlessly transits；Method is ignited using edge, detonator is inserted in detonating charge edge, detonator insertion detonating charge depth is
20mm, and 2 ~ 5mg hexogen is added in 5 ~ 10mm radius around detonator, detonator lead is more than 40 meters；A long way off, utilize
Electromagnetic control apparatus detonating primer, explosive welding is completed；
（4）The 304/AZ31B composite plates of synthesis of exploding are carried out into annealing heat-treats, is then smoothed on level(l)ing machine；Annealing is in electricity
Carried out in resistance heater box, annealing temperature is 200 DEG C, soaking time 60min；Heat treatment temperature is warming up to 10 DEG C of speed per second
200 DEG C, after insulation terminates, composite plate furnace cooling；
（5）The non-soldering region of composite plate surrounding is cut with plate shearing machine, the butter of cleaning stainless steel upper surface side residual obtains 304/
AZ31B composite plates.
（6）Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to composite plate, result of detection
Show composite plate Percentage bound 99.8%；According to GB/T6369-2008, test compound board interface tensile-sbear strength, the tensile-sbear strength at interface
It is 138.0Mpa, Surface scan analysis is carried out to tensile-shear crack interface, all magnesium of component of two planes of disruption is illustrated to draw and cut
Generation is split in magnesium alloy position, rather than in joint location, it was demonstrated that explosive welding is produced makes two kinds of materials of magnesium alloy and stainless steel
Material generates firm combination；Combination interface is observed using surface sweeping Electronic Speculum SEM, calmodulin binding domain CaM shows microwave shape, interface knot
Close intact, the defect such as pore-free, crackle.Line surface sweeping is done using EDS near interface to analyze, magnesium elements and ferro element expand
Dissipate, illustrate that two kinds of materials realize metallurgical binding by diffusion reaction.
Explanation:99.8% Surface bond rate of the present invention is to remove the Percentage bound behind the uncombined region in edge.
Gap post of the present invention is 20mm for a block length, and the height of width=thin stainless steel substrates gap post is（1.5~
2.5）× stainless steel plate thickness, thickness is the rectangular sheet of 0.5mm, and some foldings are bent in the length direction of rectangular slab, curved
The bent curved edges shown in Fig. 4, angle of bend is 100 ~ 120 degree；Curved edges are contacted with faying face.
Explanation:99.8% Surface bond rate of the present invention is to remove the Percentage bound behind the uncombined region in edge.
Claims (7)
1. a kind of explosion welding method of stainless steel magnesium alloy composite board, it is characterised in that：The use of stainless steel is cladding, magnesium alloy
It is basic unit, using expanded ammonium nitrate composite explosives as the blast energy.
2. the explosion welding method of a kind of stainless steel magnesium alloy composite board according to claims 1, it is characterised in that：Institute
It is ammonium nitrate 85%, diesel oil 3%, wood chip 8.5%, industrial salt 3.5% to state expanded ammonium nitrate composite explosives proportioning, and expanded ammonium nitrate mixing is fried
The density 0.85g/cm of medicine3, 2500 ~ 2700m/s of detonation velocity.
3. the explosion welding method of a kind of stainless steel magnesium alloy composite board according to claims 1, it is characterised in that：It is quick-fried
Fried welding is comprised the following steps：
（1）Magnesium alloy plate and stainless steel plate are selected as the mother metal of explosive welding；And annealing toughening is carried out to magnesium alloy plate；
（2）Magnesium alloy plate and stainless steel plate interface to be combined are polished；
（3）Cushion rubber layer is padded below magnesium alloy plate, gap post is arranged on magnesium alloy plate, the height of gap post=（1.5~
2.5）× stainless steel plate thickness, the spacing between the post of gap is 100mm, and in gap, post is placed above stainless steel plate, stainless steel plate
Butter is applied above, uniform thickness does not lay one layer of explosive above butter, initiation ends explosive thickness is fried more than blast ending end explosive thickness,
Medicine layer terminates end and seamlessly transits from initiation ends to blast；
（4）Detonator is inserted into explosive layer, the cap length of explosive layer is inserted more than 1/2nd of initiation ends explosive thickness, and
Addition 2 ~ 5mg hexogen in 5 ~ 10mm radius around detonator；
（5）Detonator lead is more than 40 meters, and using electromagnetic control apparatus detonating primer, explosive welding is completed.
4. the explosion welding method of a kind of stainless steel magnesium alloy composite board according to claims 3, it is characterised in that：Institute
Gap post is stated for a block length is 20mm, width is（1.5~2.5）× stainless steel plate thickness, thickness be the rectangle of 0.5mm not
Rust steel thin slice, some foldings are bent in the length direction of rectangle stainless steel thin slice, and angle of bend is 100 ~ 120 degree.
5. the explosion welding method of a kind of stainless steel magnesium alloy composite board according to claims 1, it is characterised in that：It is quick-fried
Fried welding is comprised the following steps：
（1）Selection 1000mmX600mmX3mm AZ31B magnesium alloy plates and the stainless steel plate conducts of 1050 mmX650mmX2mm 2205
The mother metal of explosive welding；And annealing toughening, 300 DEG C of annealing temperature, soaking time 120min are carried out to AZ31B magnesium alloy plates；
（2）To be polished at the beginning of AZ31B magnesium alloy plates and 2205 stainless steel plates interface to be combined with angle grinder, then with the sand of 600 mesh
Paper is polished, and makes surface roughness Ra to be combined no more than 2 μm, then wipes clean face to be combined with dry wipe；
（3）AZ31B magnesium alloy plates and 2205 stainless steel plates after polishing is carried out into explosive welding：Explosive welding is enterprising in soil
OK, the cushion rubber layer of 5mm thickness, cushion rubber layer and ground are placed on soil without other objects in the radius of 30 meters of periphery
It is fixed；AZ31B magnesium alloy plates are placed on cushion rubber layer, gap post are arranged on AZ31B magnesium alloy plates, between the post of gap
Spacing be 100mm, clearance height is 5mm；2205 stainless steel plates are placed on the post of gap, 2205 stainless steel plates and AZ31B
Magnesium alloy plate is parallel；Layer coating butter on stainless steel, thickness is 2mm, and is all smeared in 2205 stainless steel plate edges
Butter, brown paper medicine frame and butter are bonded, and are attached to 2205 stainless steel plate edges；By expanded ammonium nitrate composite explosives with
Thickness is layered on above butter, end laying explosive thickness is terminated from initiation ends to blast and is gradually successively decreased, and detonation side explosive thickness is
27mm, blast ending end explosive thickness 15mm；Explosive layer terminates end and seamlessly transits from initiation ends to blast；Detonator is inserted in detonation
Explosive edge, detonator insertion detonating charge depth is 15mm, and adds the black ropes of 2 ~ 5mg in 5 ~ 10mm radius around detonator
Gold, detonator lead is more than 40 meters；A long way off, using electromagnetic control apparatus detonating primer, explosive welding is completed；
（4）The 2205/AZ31B composite plates of synthesis of exploding are carried out into annealing heat-treats, is then smoothed on level(l)ing machine；Annealing temperature
It is 200 DEG C, soaking time 60min；Annealing programming rate is 10 DEG C per second, after insulation terminates, composite plate furnace cooling；
（5）The non-soldering region of composite plate surrounding is cut with plate shearing machine, the butter of cleaning stainless steel upper surface side residual is obtained
2205/AZ31B composite plates；
（6）Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to composite plate, composite plate Percentage bound
99.8%；According to GB/T6369-2008, test compound board interface tensile-sbear strength, the tensile-sbear strength at interface is 130.0Mpa；To drawing
Shear fracture interface carries out Surface scan analysis, and all magnesium of component of two planes of disruption illustrates that tensile-shear crack occurs in magnesium alloy
Position, it was demonstrated that explosive welding makes magnesium alloy and stainless steel two kinds of materials generate firm combination；Seen using surface sweeping Electronic Speculum SEM
Combination interface is examined, calmodulin binding domain CaM shows microwave shape, do line surface sweeping near interface using EDS and analyze, magnesium elements and iron are first
Element spreads.
6. the explosion welding method of a kind of stainless steel magnesium alloy composite board according to claims 1, it is characterised in that：It is quick-fried
Fried welding is comprised the following steps：
（1）Select the AZ31B magnesium alloy plates of 950mmX550mmX8mm and the 316L stainless steel plates of 1000 mmX600mmX2mm
As the mother metal of explosive welding；And annealing toughening, 300 DEG C of annealing temperature, soaking time are carried out to AZ31B magnesium alloy plates
120min；
（2）To be polished at the beginning of 316L stainless steel plates and AZ31B magnesium alloy plates interface to be combined using angle grinder, then use 600 purposes
Sand paper is polished, and makes surface roughness Ra to be combined no more than 2 μm, then wipes clean face to be combined with dry wipe；
（3）The cushion rubber layer of 2000 mmX1600mmX5mm is placed on soil, cushion rubber layer is fixed with ground；By basic unit
AZ31B magnesium alloy plates are placed on cushion rubber layer, and magnesia gap post is arranged on magnesium alloy plate, and the spacing between the post of gap is
100mm, gap pillar height degree is 5mm；
（4）316L stainless steel plates are placed on the post of gap, it is parallel with AZ31B magnesium alloy plates；In 316L stainless steels upper surface and
Surrounding smearing thickness is the butter of 2mm；Brown paper medicine frame is pasted onto 316L stainless steel plates surrounding by butter；
（5）Above the butter that expanded ammonium nitrate composite explosives are layered on above 316L stainless steel plates with not equal thickness, from initiation ends to
Blast terminates end laying explosive thickness and gradually successively decreases, and initiation ends explosive thickness is 27mm, blast ending end explosive thickness 15mm；It is fried
Medicine layer terminates end and seamlessly transits from initiation ends to blast；
（6）Detonator is inserted in detonating charge edge, detonator insertion detonating charge depth is 15mm, and 5 ~ 10mm half around detonator
2 ~ 5mg hexogen is added in the range of footpath, detonator lead is more than 40 meters；
（7）A long way off, using electromagnetic control apparatus detonating primer, explosive welding completes to be 316L/AZ31B composite plates；
（8）316L/AZ31B composite plates of synthesis of exploding are carried out into annealing heat-treats, is then smoothed on level(l)ing machine；Annealing heat
Treatment programming rate is 10 DEG C per second, and annealing heat-treats temperature is 200 DEG C, and soaking time is 60min；After insulation terminates, it is combined
Plate furnace cooling；
（9）Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to 316L/AZ31B composite plates, multiple
Plywood Percentage bound is 99.8%；According to GB/T6369-2008, test 316L/AZ31B is combined board interface tensile-sbear strength, interface
Tensile-sbear strength is 120.0Mpa；Surface scan analysis, all magnesium of component of two planes of disruption are carried out to tensile-shear crack interface；Profit
Combination interface is observed with surface sweeping Electronic Speculum SEM, calmodulin binding domain CaM shows microwave shape.
7. the explosion welding method of a kind of stainless steel magnesium alloy composite board according to claims 1, it is characterised in that：It is quick-fried
Fried welding is comprised the following steps：
（1）The AZ31B magnesium alloy plates of 750mmX700mmX8mm and 304 stainless steel plates of 800 mmX750mmX3mm are selected to make
It is the mother metal of explosive welding；And annealing toughening, 300 DEG C of annealing temperature, soaking time 120min are carried out to AZ31B magnesium alloy plates；
（2）To be polished at the beginning of 304 stainless steel plates and AZ31B magnesium alloy plates interface to be combined using angle grinder, then with the sand of 600 mesh
Paper is polished, and makes surface roughness Ra to be combined no more than 2 μm, then wipes clean face to be combined with dry wipe；
（3）The cushion rubber layer of 2000 mmX1600mmX5mm is placed on soil, cushion rubber layer is fixed with ground；By basic unit
AZ31B magnesium alloy plates are placed on cushion rubber layer, and magnesia gap post is arranged on magnesium alloy plate, and the spacing between the post of gap is
100mm, gap pillar height degree is 5mm；
（4）304 stainless steel plates are placed on the post of gap, it is parallel with AZ31B magnesium alloy plates；In 304 stainless steel upper surfaces and four
Periphery smearing thickness is the butter of 2mm；Brown paper medicine frame is pasted onto 304 stainless steel plate surroundings by butter；
（5）Above the butter that expanded ammonium nitrate composite explosives are layered on above 304 stainless steel plates with not equal thickness, from initiation ends to quick-fried
The fried end laying explosive thickness that terminates gradually successively decreases, and initiation ends explosive thickness is 30mm, blast ending end explosive thickness 20mm；Explosive
Layer terminates end and seamlessly transits from initiation ends to blast；
（6）Detonator is inserted in detonating charge edge, detonator insertion detonating charge depth is 20mm, and 5 ~ 10mm half around detonator
2 ~ 5mg hexogen is added in the range of footpath, detonator lead is more than 40 meters；
（7）A long way off, using electromagnetic control apparatus detonating primer, explosive welding completes to be 304/AZ31B composite plates；
（8）304/AZ31B composite plates of synthesis of exploding are carried out into annealing heat-treats, is then smoothed on level(l)ing machine；At annealing heat
Reason programming rate is 10 DEG C per second, and annealing heat-treats temperature is 200 DEG C, and soaking time is 60min；After insulation terminates, composite plate
Furnace cooling；
（9）Requirement according to GB/T 7734-2015 composite plate ultrasonic inspections is detected a flaw to 304/AZ31B composite plates, is combined
Plate Percentage bound is 99.8%；According to GB/T6369-2008, the compound board interface tensile-sbear strengths of test 304/AZ31B, the drawing at interface is cut
Intensity is 138.0Mpa；Surface scan analysis, all magnesium of component of two planes of disruption are carried out to tensile-shear crack interface；Using sweeping
Face Electronic Speculum SEM observation combination interfaces, calmodulin binding domain CaM shows microwave shape.
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| CN109622967A (en) * | 2019-02-01 | 2019-04-16 | 上海交通大学 | A kind of method of increasing material manufacturing stainless steel-magnesium interlocking bimetallic complicated shape part |
| CN111001922A (en) * | 2019-12-26 | 2020-04-14 | 安徽宝泰特种材料有限公司 | Preparation method of large-area, small-allowance and high-bonding-rate explosion composite tube plate |
| CN111590277A (en) * | 2020-05-28 | 2020-08-28 | 西安石油大学 | Preparation method of magnesium-titanium composite material |
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Effective date of registration: 20221107 Address after: No. 10, Electronic Street, Tanghuai Industrial Park, Shanxi Transformation Comprehensive Reform Demonstration Zone, Taiyuan, Shanxi Province, 030000 Patentee after: SHANXI YANGMEI CHEMICAL MACHINERY (GROUP) Co.,Ltd. Address before: 030024 Shanxi province Taiyuan city Berlin District Wan wa flow Road No. 66 Patentee before: TAIYUAN University OF SCIENCE AND TECHNOLOGY |