CN104588897A - Titanium-steel composite plate bonding layer defect repair method - Google Patents
Titanium-steel composite plate bonding layer defect repair method Download PDFInfo
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- CN104588897A CN104588897A CN201410674223.6A CN201410674223A CN104588897A CN 104588897 A CN104588897 A CN 104588897A CN 201410674223 A CN201410674223 A CN 201410674223A CN 104588897 A CN104588897 A CN 104588897A
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- titanium
- plate layer
- niobium
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention relates to a titanium-steel composite plate bonding layer defect repair method. A defect area of a bonding layer involves an exposed titanium plate layer and a steel plate layer, one side of the titanium plate layer of the defect area is filled with niobium material packing of physical properties approximate to those of the titanium plate layer, one side of the steel plate layer of the defect area is filled with copper material packing of physical properties approximate to those of the steel plate layer, the niobium material packing and the copper material packing are welded to corresponding plate layer base materials, the niobium material packing and the copper material packing are welded together, and accordingly a niobium-copper transition connection layer well bonded to the titanium plate layer base materials and the steel plate layer base materials is formed in the defect area. The niobium material packing of physical properties approximate to those of the titanium plate layer and the copper material packing of physical properties approximate to those of the steel plate layer serve as transition media, so that the structure defect between the titanium plate layer and the steel plate layer of the bonding layer is overcome reliably and efficiently in a simple welding mode, the utilization rate of titanium-steel composite plates is increased, and operating cost of enterprises is reduced.
Description
Technical field:
The present invention relates to the manufacture of metallic composite, specifically a kind of titanium-steel composite board binder course defect-restoration method therefor.
Background technology:
Titanium-steel composite board not only had titanium plate excellent corrosion resistance, but also there is the high-strength structure of steel plate and compare Titanium board cost and also significantly decline, be thus widely applied in the equipment such as various chemical reaction container, heat exchanger (such as condenser, oil cooler).Titanium-steel composite board is the sheet material be composited by titanium and steel, namely there is in this composite molding sheet material the binder course of titanium flaggy and steel plate layer, this binder course is along with the impact of a series of unpredictable factors such as composite board itself is shaping, material transportation, easily cause local de-to split, process the defects such as indent, these defects can affect the serviceability of titanium-steel composite board, thus need to repair it.
But forming the titanium of titanium-steel composite board and the linear expansion coefficient of steel metal and thermal conductivity all has larger difference, and this directly causes the difficulty of above-mentioned binder course defect repair effectively to overcome.People attempt and repair in the mode of direct repair welding, so, the linear expansion coefficient of titanium and steel metal and thermal conductivity directly determine coarse grains in welding point, form larger internal stress, namely in weld seam, form a large amount of brittle intermetallic thing TiFe, TiFe when iron and the direct melting welding of titanium
2, the carbon electrode in titanium and steel easily forms the TiC of fragility, and then weld seam is become fragile, plasticity, toughness and surrender, tensile strength reduce, the mechanical performance of titanium-steel composite board sharply declines, so direct repair welding mode effectively cannot repair the defect of titanium-steel composite board binder course.
At present, the processing mode for titanium-steel composite board binder course defect mainly selects mode, i.e. the solving in plug-hole mode, drop into application of less defect, larger defect then can only scrap process.
Summary of the invention:
Goal of the invention of the present invention is: for the blank of above-mentioned titanium-steel composite board self structure characteristic and prior art means, provide a kind of simple, can effectively repair-deficiency, reliable and practical titanium-steel composite board binder course defect-restoration method therefor.
The technical solution adopted in the present invention is: a kind of titanium-steel composite board binder course defect-restoration method therefor, there is in the defect area of described binder course exposed titanium flaggy and steel plate layer, the close niobium material filler of physical property is filled with in the titanium flaggy side of described defect area, the close copper material filler of physical property is filled with in the steel plate layer side of described defect area, described niobium material filler and copper material filler weld together with corresponding flaggy mother metal, and both niobium material filler and copper material filler also weld together, formed and titanium in defect area with this, niobium-copper transition the articulamentum of steel plate layer mother metal good combination.
Described niobium material filler is pure niobium Nb1.
Described copper material filler is fine copper T3.
Described niobium material filler is welded on titanium flaggy in built-up welding mode.
Described copper material filler is welded in steel plate layer in built-up welding mode.
The invention has the beneficial effects as follows:
1. the present invention using physical property close to the niobium material filler of titanium flaggy and physical property close to the copper material filler of steel plate layer as transition medium, thus the fault of construction of reliably, effectively repairing with simple welding manner between titanium flaggy and steel plate layer binder course, improve the utilization rate of titanium-steel composite board, reduce enterprise operation cost; Meanwhile, the present invention has also filled up the current blank for titanium-steel composite board binder course defect repair techniques, obvious technical effects;
2. the transition filler (i.e. niobium material filler and copper material filler) selected by the present invention had both had certain corrosion resistance, there is again good weldability, and then having ensured the serviceability of the shaping titanium-steel composite board of reparation greatly, reliability is high, practical;
3. transition filler (i.e. niobium material filler and the copper material filler) welding manner on mother metal (i.e. titanium flaggy and steel plate layer) selected by the present invention makes the adhesion of transition filler on corresponding mother metal more reliable, firm, is conducive to the reliability ensureing titanium-steel composite board binder course defect repair further.
Detailed description of the invention:
The present invention is the restorative procedure of titanium-steel composite board binder course defect, and wherein, the defect of aforementioned binder course can be crack or groove, guarantees that defect area planted agent has exposed titanium flaggy and steel plate layer.Technological measure of the present invention is, introduces the close intermediate isolating layer of physical property as packing material, and then utilize the packing material of middle transition the titanium flaggy in defect area and steel steel plate layer to be welded together reliably in aforementioned drawback region.
Concrete, first consider packing material.Packing material need meet following requirement usually: 1. have good weldability respectively with titanium and steel metal; 2. to there is certain intensity; 3., for the parts of contact corrosion medium, certain corrosion resistance need be possessed.This condition of base is selected, and does not also find a kind of metal material can all have good solderability with titanium and steel metal respectively at present, so, consider that employing two kinds of transition metal are as packing material.Through comprehensive selection, the physical and chemical performance of niobium metal and titanium relatively, the physical and chemical performance of copper metal and steel metal relatively, thus, select niobium metal as the packing material near titanium-steel composite board titanium flaggy side, select copper metal as the packing material near titanium-steel composite board steel plate layer (carbon steel) side, simultaneously in order to avoid impurity element is on the impact of above material weldability, the niobium metal chosen is pure niobium Nb1, and copper metal is fine copper T3.
Then REPAIR WELDING is carried out.First rubbing down is carried out to level and smooth to the defect area of titanium-steel composite board binder course, remake corresponding detection.Again the niobium material filler (tensile strength is 200MPa) of above-mentioned selection is welded titanium flaggy (TA1, tensile strength the is 240MPa) side being filled in defect area in built-up welding mode, even if niobium material filler and titanium flaggy mother metal weld together; The copper material filler (tensile strength is 205MPa) of above-mentioned selection is welded steel plate layer (Q235-B, tensile strength the is 375MPa) side being filled in defect area in built-up welding mode, even if copper material filler and steel plate layer mother metal weld together; Finally both niobium material filler and copper material filler are also welded together, form the niobium-copper transition articulamentum with titanium flaggy mother metal and steel plate layer mother metal good combination with this in defect area, the binder course place namely now in defect area forms titanium-niobium-copper-steel joint.
Based on these repair mechanisms, with the same material made copper steel test plate (panel) (fine copper plate: T3, tensile strength is 205MPa; Steel plate: Q235-B, tensile strength is 375MPa; Test plate (panel) thickness is 3mm), copper niobium test plate (panel) (fine copper plate: T3, tensile strength is 205MPa; Pure niobium plate: Nb1, tensile strength is 200MPa; Test plate (panel) thickness is 3mm), niobium titanium test plate (panel) (Titanium board: TA1, tensile strength is 240MPa; Pure niobium plate: Nb1, tensile strength is 200MPa; Test plate (panel) thickness is 3mm) each two pieces, carried out solderability tension test to their welding point, result of the test is in table 1.
Table 1 six pieces of test plate (panel) welding point tension test data
All test plate (panel)s by JB/T4730 as PT check 1 grade qualified, as RT check 1 grade qualified.Draw high test data to be shown in Table 1.The tensile strength values of all samples is all greater than the minimum tensile strength values of mother metal, is all obvious ductile rupture.As can be seen here, do not form the intermetallic compound of fragility in the welding line joint of copper steel test plate (panel), copper niobium test plate (panel), niobium titanium test plate (panel), this is also ensure that material possesses the advantage of solderability.
Under the above material of confirmation possesses the precondition of solderability, also carry out the overlay welding experiment of steel-copper-niobium-titanium.With Q235-B steel plate for base material, surfacing of Cu, niobium, titanium successively in the above.This built-up welding test plate (panel) is completely qualified through PT inspection.
Due to the corrosion resistance and good (see table 2) of niobium, and niobium and titanium possess good solderability, for reducing technology difficulty, can consider the built-up welding of omitting last one deck titanium in the delamination defect repair process of titanium-steel composite board binder course.
The decay resistance of table 2 niobium
Note: atomic corrosion: below 0.0127mm/; Microcorrosion: 0.0127 ~ 0.127mm/; Sharply corrode: more than 0.254mm/.
Above-mentioned concrete technical scheme, only in order to the present invention to be described, is not intended to limit.Although with reference to above-mentioned concrete technical scheme to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to above-mentioned concrete technical scheme, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of technical solution of the present invention.
Claims (5)
1. a titanium-steel composite board binder course defect-restoration method therefor, there is in the defect area of described binder course exposed titanium flaggy and steel plate layer, it is characterized in that: be filled with the close niobium material filler of physical property in the titanium flaggy side of described defect area, the close copper material filler of physical property is filled with in the steel plate layer side of described defect area, described niobium material filler and copper material filler weld together with corresponding flaggy mother metal, and both niobium material filler and copper material filler also weld together, formed and titanium in defect area with this, niobium-copper transition the articulamentum of steel plate layer mother metal good combination.
2. titanium-steel composite board binder course defect-restoration method therefor according to claim 1, is characterized in that: described niobium material filler is pure niobium Nb1.
3. titanium-steel composite board binder course defect-restoration method therefor according to claim 1, is characterized in that: described copper material filler is fine copper T3.
4. titanium-steel composite board binder course defect-restoration method therefor according to claim 1 or 2, is characterized in that: described niobium material filler is welded on titanium flaggy in built-up welding mode.
5. titanium-steel composite board binder course defect-restoration method therefor according to claim 1 or 3, is characterized in that: described copper material filler is welded in steel plate layer in built-up welding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410674223.6A CN104588897A (en) | 2014-11-21 | 2014-11-21 | Titanium-steel composite plate bonding layer defect repair method |
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| CN201410674223.6A CN104588897A (en) | 2014-11-21 | 2014-11-21 | Titanium-steel composite plate bonding layer defect repair method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461656A (en) * | 2020-11-16 | 2021-03-09 | 四川石油天然气建设工程有限责任公司 | Method for detecting weld joint of corrosion-resistant alloy composite pipe by using rheological strength |
| CN113145981A (en) * | 2021-04-16 | 2021-07-23 | 鞍钢股份有限公司 | Titanium steel composite board damage repair welding method |
| CN114289834A (en) * | 2021-12-15 | 2022-04-08 | 东方电气集团东方汽轮机有限公司 | Defect welding repair method for titanium-steel composite plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060083A1 (en) * | 1981-03-05 | 1982-09-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Titanium clad steel plate |
| JPS5841685A (en) * | 1981-09-07 | 1983-03-10 | Asahi Chem Ind Co Ltd | Titanium clad steel |
| CN201361767Y (en) * | 2009-03-19 | 2009-12-16 | 上海宝钢工程技术有限公司 | Improved connecting piece of titanium plate and stainless steel plate |
| CN102218592A (en) * | 2011-05-12 | 2011-10-19 | 西北工业大学 | Diffusion welding method of titanium or titanium alloy and stainless steel |
| CN103567661A (en) * | 2013-10-30 | 2014-02-12 | 西安理工大学 | Welding material for butt fusion welding transition layer of titanium-steel composite board and preparation method of welding material |
| CN103567660A (en) * | 2013-10-30 | 2014-02-12 | 西安理工大学 | Welding material and welding method for welding transition layer of Ti-pipeline steel composite board |
| CN103962717A (en) * | 2013-01-24 | 2014-08-06 | 中广核工程有限公司 | Welding method for surface treatment of steel and titanium or steel and titanium alloy |
-
2014
- 2014-11-21 CN CN201410674223.6A patent/CN104588897A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060083A1 (en) * | 1981-03-05 | 1982-09-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Titanium clad steel plate |
| JPS5841685A (en) * | 1981-09-07 | 1983-03-10 | Asahi Chem Ind Co Ltd | Titanium clad steel |
| CN201361767Y (en) * | 2009-03-19 | 2009-12-16 | 上海宝钢工程技术有限公司 | Improved connecting piece of titanium plate and stainless steel plate |
| CN102218592A (en) * | 2011-05-12 | 2011-10-19 | 西北工业大学 | Diffusion welding method of titanium or titanium alloy and stainless steel |
| CN103962717A (en) * | 2013-01-24 | 2014-08-06 | 中广核工程有限公司 | Welding method for surface treatment of steel and titanium or steel and titanium alloy |
| CN103567661A (en) * | 2013-10-30 | 2014-02-12 | 西安理工大学 | Welding material for butt fusion welding transition layer of titanium-steel composite board and preparation method of welding material |
| CN103567660A (en) * | 2013-10-30 | 2014-02-12 | 西安理工大学 | Welding material and welding method for welding transition layer of Ti-pipeline steel composite board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461656A (en) * | 2020-11-16 | 2021-03-09 | 四川石油天然气建设工程有限责任公司 | Method for detecting weld joint of corrosion-resistant alloy composite pipe by using rheological strength |
| CN113145981A (en) * | 2021-04-16 | 2021-07-23 | 鞍钢股份有限公司 | Titanium steel composite board damage repair welding method |
| CN114289834A (en) * | 2021-12-15 | 2022-04-08 | 东方电气集团东方汽轮机有限公司 | Defect welding repair method for titanium-steel composite plate |
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