CN102962634A - Explosive welding method for Zr-titanium-carbon steel metal composite plates - Google Patents
Explosive welding method for Zr-titanium-carbon steel metal composite plates Download PDFInfo
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- CN102962634A CN102962634A CN 201210344472 CN201210344472A CN102962634A CN 102962634 A CN102962634 A CN 102962634A CN 201210344472 CN201210344472 CN 201210344472 CN 201210344472 A CN201210344472 A CN 201210344472A CN 102962634 A CN102962634 A CN 102962634A
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Abstract
The invention relates to an explosive welding method for Zr-titanium-carbon steel metal composite plates, which is characterized in that the explosive welding methodby comprisesing the following steps of: base material treatment, composite material treatment, coating and pairing, explosive combination, repair welding, heat treatment and subsequent treatment. The explosive welding method provided by the invention has the advantages that zirconium plates and common steel plates can be effectively combined, the required strength is obtained on the premise that the composite steel plates have all advantages of the zirconium plates, and the quantity of the used precious metals is reduced. At the same time, the product produced by adopting the method has very high welding quality, the long-term stability in use is guaranteed and the situation of falling is avoided.
Description
Technical field
What the present invention relates to is the metallic explosive combination process.
Background technology
Composite metal plate generally is comprised of two parts, the one, base material is ordinary carbon steel, the 2nd, multiple material is expensive alloy, if use the not only cost increase of pure material, and will cause the passage of more domestic rare metal mineral resources, therefore ordinary carbon steel and expensive steel alloy are manufactured the composite metal plate use by explosion welding technique, it can not only satisfy the requirement of strength under the certain condition, also can satisfy the corrosion-resistant requirement of special occasions.
Domestic present production composite plate has two kinds of forms, and the one, it is compound to explode, and another kind is exactly rolling.Explosion welding technique is the high-voltage pulse load that produces by explosive detonation, promote the another kind of material (base material) of a kind of material (multiple material) high speed inclined impact, its loading stress is higher than the yield strength of metal material far away, the moment property of loading procedure (being generally trace level), the locality of material stand under load, interweaving occurs in the small adjacent domain of application point and the mode such as mobile at high speed, realizes the metallurgical binding of two kinds of metals, and the land is rendered as wavy metallurgical binding.Explosive welding is again the new and high technology a kind of of great practical value of carrying out the intermetallic welding and producing metallic composite as the energy with explosive.Its maximum characteristics are with metallic combination, to weld together in moment simple, rapid and strongly.The advantage of comparing explosion welding technique with solder technology such as rolling, built-up welding, casting is:
The solderability of adaptability for materials is applicable to most ductile metal or alloy widely; Especially for the welding of large-area metal, can be described as unique method of attachment; Be not only applicable to the combination of intermiscibility metal, and be applicable to the combination of non-intermiscibility metal, be applicable to easily produce metal and the alloy of compound between brittle metal yet; Have good thermal conductivity, low interface resistance, the land consists of good joint performance without the heat affected area, and the thermal process of moment does not have the interface or a small amount of dissolving is only arranged.
Summary of the invention
The purpose of this invention is to provide the explosion welding method of a kind of Zr-titanium-carbon steel metal composite plate to remedy the deficiency of prior art.
The object of the present invention is achieved like this: the explosion welding method of Zr-titanium-carbon steel metal composite plate is characterized in that: may further comprise the steps:
A, base material treatment: smoothing makes steel plate unevenness＜5mm/m; And justifying face≤10mm/ total length or overall with; Tube sheet plate face unevenness＜1.5mm/m; And justifying face≤2.5mm/ total length or overall with; Steel plate is set level again, used emery wheel to polish, remove surface irregularities, make any surface finish, smooth, surface roughness is Ra12.5 μ m, and it is bright and clean to carry out rubbing down again;
B, multiple material are processed: the plate face unevenness＜5mm/m that guarantees zr plate, titanium plate and carbon steel sheet; And justifying face≤10mm/ total length or overall with; Tube sheet plate face unevenness＜1.5mm/m; And justifying face≤2.5mm/ total length or overall with; Set level again, use abrasive band or impeller bright and clean along the length polishing;
C, brushing and pairing: zr plate, titanium plate and carbon steel sheet are coated with and brush multiple material protective agent;
D, the blast compound: carbon steel sheet is set level, and the zr plate is parallel placement thereon, and at the even explosive of zr plate outer surface, by cap sensitive, the explosion velocity of explosive is 1.8 * 10
3-2.2 * 10
3M/s, brisance are that 6-10mm, density are 0.6g/cm
3-0.85g/cm
3, under high brake pressure, the surface of zr plate and carbon steel sheet just bonds together firmly;
E, subsequent explosion are compound: the plate after once-combined is set level, and the titanium plate is parallel placement thereon, and at the even explosive of titanium plate outer surface, by cap sensitive, the explosion velocity of explosive is 1.8 * 10
3-2.2 * 10
3M/s, brisance are that 6-10mm, density are 0.6g/cm
3-0.85g/cm
3, under high brake pressure, another surface of titanium plate and carbon steel sheet just bonds together firmly;
F, subsequent treatment: the steel plate after compound of will exploding gets product after through repair welding, smoothing, side cut, machine glazed finish.
The explosion welding method of described Zr-titanium-carbon steel metal composite plate is characterized in that: when making multiple material and process, during the thickness of zr plate and titanium plate 〉=5mm, periphery should be slotted.
The explosion welding method of described Zr-titanium-carbon steel metal composite plate is characterized in that: when zr plate and titanium plate undersized, weld before processing and splice making multiple material.
The explosion welding method of described Zr-titanium-carbon steel metal composite plate is characterized in that: described multiple material protective agent is waterglass, and its concentration (° Be) is 16-20.
Beneficial effect
The method that the present invention passes through, can be effectively that zr plate and titanium plate and general steel plate is compound, thus guaranteeing that clad steel plate has under the prerequisite of all advantages of zr and titanium, has had the intensity of needs, thereby has saved the use amount of expensive metal.The very high welding quality of product tool that while this method provides guarantees that steady in a long-term the use can not come off.
The invention will be further described below by embodiment:
The specific embodiment
Embodiment:
The base material technology for blanking:
Steel plate should have quality certificate, indicates clear; The steel plate that material has ultrasound detection to require should be qualified through ultrasound detection as requested; The grade of steel of material, specification, examination of materials numbering should be consistent with the follow-up of quality card.
By the specification line that feeds intake, the angle that should guarantee steel plate four limit dimension lines during line is the right angle.The length of steel plate and width difference are 0-5mm, and the diagonal error is not more than 3mm.
Check the surface quality of steel plate, if find should in time process when surface of steel plate has mass defect qualified.Carry out gas cutting by line and shear, allow to stay an amount of reconditioning surplus, deburr and slag after shearing, cut surface should be vertical with steel plate surface.Smooth bright and clean.Must not scab, the defectives such as zigzag, pit, when defects occurring, allow reconditioning smooth to reach cutting surfaces.
Should smooth when steel plate face unevenness 〉=5mm/m or justifying face＞10mm/ total length (wide), after smoothing the unevenness of steel plate face should＜5mm/m, and justifying face≤10mm/ total length (wide).
Clad tubesheet should be smoothed during with steel plate face unevenness 〉=1.5mm/m or justifying face＞2.5mm/ total length (wide), after smoothing the unevenness of steel plate face should＜1.5mm/m, and justifying face≤2.5mm/ total length (wide).
Multiple material technology for blanking:
Check material, the specification of zr plate and titanium plate.If when zr plate and titanium plate need to splice, its splicing required as follows: when the width of zr plate and titanium plate need to splice, the splicing width dimensions 〉=300mm of zr plate and titanium plate in the time can not satisfying, spliced the width minimum dimension and answers＞250mm in principle; When the length of zr plate and titanium plate need to be spliced, answered≤L/4 position of center line (L is zr plate or titanium plate length) the splicing welding joint position of zr plate and titanium plate.Assembling and spot welding should adopt the welding rod with product welding same model, specification, every 100mm spot welding a bit, and the about 4-6mm of spot welding length.Grinding and buffing weld seam again.
Unreel front cleaning roll-type purl machine, the foreign material that the equipment such as plate shearing machine are inside and outside and dust.And the roller of wiping roll-type purl machine, if will polish smooth with crocus cloth when feel is rough, use wooden stick when unreeling and transmit, prevent zr plate and titanium plate surface tear.
Shear is sheared by line, keeps line, again deburring.Plasma cutting keeps line by the line cutting, removes slag, and with grinder buffing scarfing acute angle.
When zr plate and titanium plate thickness 〉=5mm, periphery should be slotted: because multiple material is in compound, under the effect of powerful impulsive force, the edge of multiple material can be sheared under the effect of shearing force and come off, and the end face of that multiple material and base material will be concordant, when the thickness of multiple material is larger, shearing force is not enough to reach requirement, will affect the edge quality of composite plate, in order to be effective, just can be at the desired location fluting in order to come off smoothly.Groove is processed at planer or lathe; If with the carbon arc air gouging fluting, should guarantee the notch size as far as possible.Should be coated with the anti-coating that splashes before the gouge, answer splash and the oxide of sand milling both sides behind the gouge.
Smoothing: the plate face unevenness 〉=5mm/m of zr plate and titanium plate or and should smooth plate face after smoothing during justifying face＞10mm/ total length (wide); Unevenness＜5mm/m; And justifying face≤10mm/ total length (wide);
Clad tubesheet should be smoothed during with steel plate face unevenness 〉=1.5mm/m or justifying face＞2.5mm/ total length (wide) with plate face clad tubesheet, after smoothing the unevenness of steel plate face should＜1.5mm/m, and justifying face≤2.5mm/ total length (wide).
The base material technique for grinding:
The buffed surface of carbon steel sheet composite surface is wanted evenly not allowed oxide skin, pit.The defectives such as pit, and to guarantee steel plate thickness.
Thick polishing is with No. 36 grinding wheels when 60mm (steel plate thickness＜) or No. 24 grinding wheels when 60mm (steel plate thickness 〉=), and discovery oxide skin, pit, pit and polishing when inhomogeneous when slightly polishing polished after should in time processing again; Should in time remove the abrasive dust on polishing surface after after the thick polishing.The foreign material such as oxide skin, laying dust.
The essence polishing should in time be removed the foreign material such as the surperficial iron filings of polishing, laying dust with No. 60 grinding wheels after the smart polishing; Buffed surface after the smart polishing is smooth, bright and clean.Its surface roughness Ra 12.5 μ m
It is bright and clean that steel plate face after the polishing carries out rubbing down uniformly with stainless steel wire wheel.
Multiple material technique for grinding:
It is bright and clean that the polishing of zr plate and titanium plate adopts abrasive band or impeller to polish along the length direction, if can adopt the abrasive band to polish when zr plate and titanium plate surface defectiveness need to be polished.
Polishing is wanted evenly not allow the defectives such as oxide skin, pit, pit to occur, mend the thickness of zr plate and titanium plate.Should in time remove the foreign material such as the surperficial abrasive dust of polishing, laying dust after the polishing.
The multiple material surface of zr plate after the polishing and titanium plate should be smooth, presents metallic luster.
Multiple material protective agent brushing technique:
Zr plate, titanium plate and carbon steel sheet are matched, and with zr plate and titanium plate external coating waterglass, its concentration (° Be) is 16-20 again, and the foam brush or the spray gun that are coated with waterglass must keep clean.Explode compound before, should strictly control the intermittence between base material and the multiple material, guarantee composite quality.
It is compound to explode:
Carbon steel sheet is set level, and the zr plate is parallel placement thereon, and at the even explosive of zr plate outer surface, by cap sensitive, the explosion velocity of explosive is 1.8 * 10
3-2.2 * 10
3M/s, brisance are that 6-10mm, density are 0.6g/cm
3-0.85g/cm
3, under high brake pressure, the surface of zr plate and carbon steel sheet just bonds together firmly;
Subsequent explosion is compound:
Plate after once-combined is set level, and the titanium plate is parallel placement thereon, and at the even explosive of titanium plate outer surface, by cap sensitive, the explosion velocity of explosive is 1.8 * 10
3-2.2 * 10
3M/s, brisance are that 6-10mm, density are 0.6g/cm
3-0.85g/cm
3, under high brake pressure, another surface of titanium plate and carbon steel sheet just bonds together firmly;
Repair welding:
The compound rear Surface Defects in Steel Plate degree of depth is no more than the defective partly of composite plate tolerance and should give polishing smoothly; The defective partly that surpasses the composite plate tolerance be should give repair welding.
Treating to brush the anti-coating that splashes around the repair welding district in the 100mm scope, on the carbon arc air gouging direction, except adopting the anti-coating that splashes, the Ying Zuofang dividing plate that splashes also, the splash damage plate surface when not allowing gouge.With carbon arc air gouging will be not the multiple layer of bound fraction remove, then with emery wheel will the gouge surface around polishing clean, and basic unit ground off 0.5-1mm, grind 50-60 degree oblique angle on every side.Then according to the regulation welding of " stainless compound steel plate welding procedure rules ", should adopt Φ 2.5mm welding rod and little electric current to connect a circle along melt run after the repair welding of multiple layer, to reduce the depression at melt run place.
Repair welding place is smooth with emery wheel corase grind first after the repair welding, then with the sand ribbon polishing, last repair welding place and around in the 100mm scope, should be through UT and PT passed examination.
Smoothing, trimming technology:
The upwards back and forth roll-in smoothing on seven roller levelling machines or three rolls plate bending machine of the multiple layer of composite plate is rule after reaching requirement, shears (composite plate thickness≤20mm) or plasma cutting (composite plate thickness＞20mm) by line again; The peripheral cut surface of composite plate four (circle) should be vertical with the plate face, and the defectives such as the peripheral cut surface of composite plate four (circle) should be smooth, smooth, must not scab, zigzag, pit, if there is defects to allow reconditioning to reach requirement.
Mechanical polishing process:
Get product after using impeller that the composite plate multi-layer surface is polished, the continuous mill line of clad surface must be consistent after the polishing.
Claims (4)
1.Zr the explosion welding method of-titanium-carbon steel metal composite plate is characterized in that: may further comprise the steps:
A, base material treatment: smoothing makes steel plate unevenness＜5mm/m; And justifying face≤10mm/ total length or overall with; Tube sheet plate face unevenness＜1.5mm/m; And justifying face≤2.5mm/ total length or overall with; Steel plate is set level again, used emery wheel to polish, remove surface irregularities, make any surface finish, smooth, surface roughness is Ra12.5 μ m, and it is bright and clean to carry out rubbing down again;
B, multiple material are processed: the plate face unevenness＜5mm/m that guarantees zr plate, titanium plate and carbon steel sheet; And justifying face≤10mm/ total length or overall with; Tube sheet plate face unevenness＜1.5mm/m; And justifying face≤2.5mm/ total length or overall with; Set level again, use abrasive band or impeller bright and clean along the length polishing;
C, brushing and pairing: zr plate, titanium plate and carbon steel sheet are coated with and brush multiple material protective agent;
D, the blast compound: carbon steel sheet is set level, and the zr plate is parallel placement thereon, and at the even explosive of zr plate outer surface, by cap sensitive, the explosion velocity of explosive is 1.8 * 10
3-2.2 * 10
3M/s, brisance are that 6-10mm, density are 0.6g/cm
3-0.85g/cm
3, under high brake pressure, the surface of zr plate and carbon steel sheet just bonds together firmly;
E, subsequent explosion are compound: the plate after once-combined is set level, and the titanium plate is parallel placement thereon, and at the even explosive of titanium plate outer surface, by cap sensitive, the explosion velocity of explosive is 1.8 * 10
3-2.2 * 10
3M/s, brisance are that 6-10mm, density are 0.6g/cm
3-0.85g/cm
3, under high brake pressure, another surface of titanium plate and carbon steel sheet just bonds together firmly;
F, subsequent treatment: the steel plate after compound of will exploding gets product after through repair welding, smoothing, side cut, machine glazed finish.
2. the explosion welding method of Zr-titanium as claimed in claim 1-carbon steel metal composite plate is characterized in that: when making multiple material and process, during the thickness of zr plate and titanium plate 〉=5mm, periphery should be slotted.
3. the explosion welding method of described Zr-titanium as claimed in claim 1-carbon steel metal composite plate is characterized in that: when zr plate and titanium plate undersized, weld before processing and splice making multiple material.
4. the explosion welding method of described Zr-titanium as claimed in claim 1-carbon steel metal composite plate is characterized in that: described multiple material protective agent is waterglass, and its concentration (° Be) is 16-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210344472 CN102962634A (en) | 2012-09-07 | 2012-09-07 | Explosive welding method for Zr-titanium-carbon steel metal composite plates |
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| CN 201210344472 CN102962634A (en) | 2012-09-07 | 2012-09-07 | Explosive welding method for Zr-titanium-carbon steel metal composite plates |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046798A (en) * | 2014-03-24 | 2014-09-17 | 攀钢集团攀枝花钢铁研究院有限公司 | Composite plate, preparation method and use of composite plate, and titanium sponge reduction distillation retort |
| CN104741880A (en) * | 2015-04-15 | 2015-07-01 | 西安天力金属复合材料有限公司 | Zirconium/steel composite board preparation method |
| CN107838545A (en) * | 2017-12-13 | 2018-03-27 | 安徽宝泰特种材料有限公司 | A kind of zirconium steel blast weldering composite plate special tooling |
-
2012
- 2012-09-07 CN CN 201210344472 patent/CN102962634A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046798A (en) * | 2014-03-24 | 2014-09-17 | 攀钢集团攀枝花钢铁研究院有限公司 | Composite plate, preparation method and use of composite plate, and titanium sponge reduction distillation retort |
| CN104741880A (en) * | 2015-04-15 | 2015-07-01 | 西安天力金属复合材料有限公司 | Zirconium/steel composite board preparation method |
| CN104741880B (en) * | 2015-04-15 | 2016-11-02 | 西安天力金属复合材料有限公司 | A kind of preparation method of zirconium/steel composite board |
| CN107838545A (en) * | 2017-12-13 | 2018-03-27 | 安徽宝泰特种材料有限公司 | A kind of zirconium steel blast weldering composite plate special tooling |
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Application publication date: 20130313 |