CN101913021A - Superposing and welding method of electron beams of chromium bronze and two-phase titanium alloy dissimilar materials - Google Patents

Superposing and welding method of electron beams of chromium bronze and two-phase titanium alloy dissimilar materials Download PDF

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CN101913021A
CN101913021A CN 201010278132 CN201010278132A CN101913021A CN 101913021 A CN101913021 A CN 101913021A CN 201010278132 CN201010278132 CN 201010278132 CN 201010278132 A CN201010278132 A CN 201010278132A CN 101913021 A CN101913021 A CN 101913021A
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welding
chromium
bronze
titanium alloy
electron
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CN101913021B (en
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陈国庆
张秉刚
刘伟
宋国新
冯吉才
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

The invention relates to a superposing and welding method of electron beams of chromium bronze and two-phase titanium alloy dissimilar materials, belonging to the field of fusion welding of dissimilar materials. The invention aims to solve the problem that the layered structure of intermetallic compounds can be generated easily in electron beam welding of chromium bronze and two-phase titanium alloy dissimilar materials. Different from the conventional welding method, the superposing and welding method of the invention is used for respectively carrying out electron beam welding on the abutting surface of TC4 two-phase titanium alloy and QCr0.8 chrome bronze alloy and at a certain distance deflecting to the side of the QCr0.8 chrome bronze alloy. On the one hand, by adopting the method of the invention, the welding seams of the TC4 two-phase titanium alloy and the QCr0.8 chrome bronze alloy can form good metallurgical bonding, and joints do not have welding defects such as gas holes, cracks and the like; and on the other hand, the layered structure of intermetallic compounds formed at the welding seams and the side of the QCr0.8 chrome bronze alloy can be weakened or eliminated to obtain welding seam tissues which are distributed continuously, thus the tensile strength of the joints can be improved by more than 70% of the tensile strength of the parent materials of the QCr0.8 chrome bronze alloy.

Description

Chromium-bronze and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams
Technical field
The present invention relates to TC4 biphase titanium alloy and chromium-bronze alloy electron beam welding method for dissimilar materials, belong to foreign material molten solder field.
Background technology
The TC4 biphase titanium alloy is a kind of good structural material, have characteristics such as density is little, specific strength is high, plasticity and toughness are good, heat-proof corrosion-resistant is good, machinability is good, have very important using value in fields such as Aeronautics and Astronautics, Vehicle Engineering, biomedical engineerings.QCr0.8 chromium-bronze alloy has good electrical and thermal conductivity performance, ductility and good corrosion resistance.Thereby all obtained using widely in industry such as electric, electronics, chemical industry, power, traffic and Aero-Space and military service.The welding of foreign material is subject to people's attention day by day.Be characterized in that the advantage separately that can maximally utilise material satisfies modern production to the many-sided requirement of material structure performance, in some cases, the combination property of foreign material even surpass single metal structure.Realize the TC4 biphase titanium alloy and effective connection of QCr0.8 chromium-bronze alloy foreign material can satisfy thermal conductivity, wearability, corrosion proof requirement, can satisfy the requirement of high-strength light again, will gather around in fields such as Aero-Space, shipbuilding, instrument and have broad application prospects.
But, easily form lamellar tissue's structure of forming by intermetallic compound in chromium-bronze and the two-phase titanium alloy dissimilar materials electron beam welding welding seam, be the weak location in the joint, joint tensile strength is reduced, the rational method that addresses this problem does not both at home and abroad at present appear in the newspapers as yet.
Summary of the invention
The objective of the invention is to solve the problem that chromium-bronze and two-phase titanium alloy dissimilar materials electron beam welding are easy to generate intermetallic compounds layer shape structure.
A kind of chromium-bronze of the present invention and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, its welding object is TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal, described TC4 biphase titanium alloy composition is Al:6.2% (weight), V:3.5% (weight), impurity≤0.2% (weight), and surplus is Ti; QCr0.8 chromium-bronze alloying component is Cr:0.4~0.7% (weight), impurity≤0.8% (weight), surplus is Cu, described welding process is at first electron beam welding to be realized in the slit between the interface of TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal, is being partial to QCr0.8 chromium-bronze alloy mother metal side, is carrying out the electron beam welding second time apart from interface 0.2mm~1.0mm place then.
When described TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal all are thickness when being the sheet material of 1.5mm~5.0mm, the concrete steps of welding method of the present invention are:
Step 1, TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board are carried out preliminary treatment;
Step 2, regulate the relative position of the interface of two boards material, make the misalignment of interface of described two boards material less than 0.2mm, and the slit between the interface of two boards material is less than 0.1mm; With the fixing two boards material of anchor clamps, guarantee that the relative position of two boards material is constant then;
Step 3, the two boards material of fixedly finishing that step 2 is obtained are put into vacuum chamber, begin then to vacuumize, and make vacuum in the vacuum chamber 5 * 10 -2Pa to 5 * 10 -4Between the Pa;
Step 4, welding focus on the interface place of two boards material with electron beam, are welded to the other end from an end of this interface; Operating distance during welding is 150mm, and accelerating potential is 55kV, and focus current is 2590mA, and electronic beam current is 15mA~50mA, and speed of welding is 4mm/s~12mm/s;
Step 5, with the electron beam focal position to QCr0.8 chromium-bronze alloy board one side shifting 0.2mm~1.0mm, carry out the welding second time then, this time the accelerating potential of welding is 55kV, and focus current is 2590mA, electronic beam current is 12mA~45mA, and speed of welding is 5mm/s~12mm/s;
Step 6, stop welding, treat in the vacuum chamber after the cooling 8min to 12min, go vacuum and take out the test specimen that welding is finished, finish welding.
When described TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal all are wall thickness when being the tubing of 1.5mm~5.0mm, weld seam is annular butt weld, and the concrete steps of welding method of the present invention are:
Step 1, two tubing to be welded are carried out preliminary treatment;
Step 2, regulate the relative position of two tubing, make slit between the interface of described two tubing less than 0.1mm, and the vertical range between the axis of described two tubing is less than 0.2mm; With fixing described two tubing of anchor clamps, make that the relative position between described two tubing immobilizes;
Step 3, two tubing fixedly finishing that step 2 is obtained are put into vacuum chamber and are begun and vacuumize, and make vacuum in the vacuum chamber 5 * 10 -2Pa to 5 * 10 -4Between the Pa;
Step 4, welding, electron beam is focused on the interface place of two kinds of pipe fittings, annular solder is carried out in annulus along interface, operating distance during welding is 150mm, accelerating potential is 55kV, and focus current is 2590mA, and electronic beam current is 15mA~50mA, speed of welding is 5mm/s~12mm/s, and the welding stroke is 450 degree;
Step 5, with the electron beam focal position to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.2mm~1.0mm, begin annular solder for the second time then, this time the accelerating potential of welding is 55kV, focus current is 2590mA, electronic beam current is 12mA~45mA, speed of welding is 5mm/s~12mm/s, and the welding stroke is 450 degree;
Step 6, stop welding, after the vacuum chamber cooling 8min to 12min, go vacuum again and take out the test specimen that welding is finished, finish welding.
It is lower to adopt conventional electro-beam welding method that TC4 biphase titanium alloy and QCr0.8 chromium-bronze alloy are carried out strength of welded joint, only is about 40% of while QCr0.8 chromium-bronze alloy mother metal.The present invention and conventional welding method difference are to utilize the method for stack welding, interface and deflection QCr0.8 chromium-bronze alloy side certain distance to TC4 biphase titanium alloy and QCr0.8 chromium-bronze alloy carries out electron beam welding respectively, can make TC4 biphase titanium alloy and QCr0.8 chromium-bronze alloy weld seam form excellent metallurgical on the one hand and combine, joint does not have weld defects such as pore, crackle; The intermetallic compounds layer shape structure of weld seam and the formation of QCr0.8 chromium-bronze alloy side can be weakened or eliminate on the other hand, obtain the seam organization of continuous distributed, thereby joint tensile strength can be brought up to more than 70% of QCr0.8 chromium-bronze alloy mother metal.
Superposing and welding method of electron beams of the present invention realizes the welding method of TC4/QCr0.8 foreign material, focus on the welding position by designing electron beam, and the method for utilizing stack to weld, effectively improved the welding point institutional framework, reduce even eliminated the adverse effect of intermetallic compound, improved the tensile strength of joint.
The specific embodiment
The specific embodiment one: described a kind of chromium-bronze of present embodiment and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, its welding object is TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal, described TC4 biphase titanium alloy composition is Al:6.2% (weight), V:3.5% (weight), impurity≤0.2% (weight), and surplus is Ti; QCr0.8 chromium-bronze alloying component is Cr:0.4~0.7% (weight), impurity≤0.8% (weight), surplus is Cu, described welding process is at first electron beam welding to be realized in the slit between the interface of TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal, is being partial to QCr0.8 chromium-bronze alloy mother metal side, is carrying out the electron beam welding second time apart from interface 0.2~1.0mm place then.
The specific embodiment two: present embodiment is an embodiment of the specific embodiment one described a kind of chromium-bronze and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, in the present embodiment, TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal all are that thickness is the sheet material of 1.5mm~5.0mm, and the welding process of present embodiment is:
Step 1, TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board are carried out preliminary treatment;
Step 2, regulate the relative position of the interface of two boards material, make the misalignment of interface of described two boards material less than 0.2mm, and the slit between the interface of two boards material is less than 0.1mm; With the fixing two boards material of anchor clamps, guarantee that the relative position of two boards material is constant then;
Step 3, the two boards material of fixedly finishing that step 2 is obtained are put into vacuum chamber, begin then to vacuumize, and make vacuum in the vacuum chamber 5 * 10 -2Pa to 5 * 10 -4Between the Pa;
Step 4, welding focus on the interface place of two boards material with electron beam, are welded to the other end from an end of this interface; Operating distance during welding is 150mm, and accelerating potential is 55kV, and focus current is 2590mA, and electronic beam current is 15mA~50mA, and speed of welding is 4mm/s~12mm/s;
Step 5, with the electron beam focal position to QCr0.8 chromium-bronze alloy board one side shifting 0.2mm~1.0mm, carry out the welding second time then, this time the accelerating potential of welding is 55kV, and focus current is 2590mA, electronic beam current is 12mA~45mA, and speed of welding is 5mm/s~12mm/s;
Step 6, stop welding, treat in the vacuum chamber after the cooling 8min to 12min, go vacuum and take out the test specimen that welding is finished, finish welding.
The specific embodiment three: the difference of present embodiment and the specific embodiment two described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is, TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board are carried out preliminary treatment be meant described in the step 1: solder side and near zone thereof to TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board carry out mechanical grinding and Chemical cleaning.
The specific embodiment four: the difference of present embodiment and the specific embodiment two described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is, described in the step 2 with anchor clamps fixedly the fixed form of two boards material be the upper surface load mode.Can exert pressure to the two ends of two boards material respectively, and then guarantee that the two boards material does not relatively move in the welding process.
The specific embodiment five: the difference of present embodiment and the specific embodiment two described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is that the sheet metal thickness of the described welding object of present embodiment is 1.5mm~3.0mm; In step 4, speed of welding is 8mm/s~12mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy side shifting 0.2mm~0.6mm; The speed of welding of welding is 8mm/s~12mm/s for the second time.
The specific embodiment six: the difference of present embodiment and the specific embodiment two described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is: the sheet metal thickness of the described welding object of present embodiment is 3.0mm~5.0mm; In step 4, electronic beam current is 30mA~50mA, and speed of welding is 5mm/s~8mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy side shifting 0.6mm~1.0mm; The electronic beam current of welding is 25mA~45mA for the second time, and speed of welding is 5mm/s~8mm/s.
The specific embodiment seven: present embodiment is an embodiment of the specific embodiment one described a kind of chromium-bronze and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, in the present embodiment, TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal all are that wall thickness is the tubing of 1.5mm~5.0mm, the weld seam of this method is annular butt weld, and detailed process is:
Step 1, two tubing to be welded are carried out preliminary treatment;
Step 2, regulate the relative position of two tubing, make slit between the interface of described two tubing less than 0.1mm, and the vertical range between the axis of described two tubing is less than 0.2mm; With fixing described two tubing of anchor clamps, make that the relative position between described two tubing immobilizes;
Step 3, two tubing fixedly finishing that step 2 is obtained are put into vacuum chamber and are begun and vacuumize, and make vacuum in the vacuum chamber 5 * 10 -2Pa to 5 * 10 -4Between the Pa;
Step 4, welding, electron beam is focused on the interface place of two kinds of pipe fittings, annular solder is carried out in annulus along interface, operating distance during welding is 150mm, accelerating potential is 55kV, and focus current is 2590mA, and electronic beam current is 15mA~50mA, speed of welding is 5mm/s~12mm/s, and the welding stroke is 450 degree;
Step 5, with the electron beam focal position to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.2mm~1.0mm, begin annular solder for the second time then, this time the accelerating potential of welding is 55kV, focus current is 2590mA, electronic beam current is 12mA~45mA, speed of welding is 5mm/s~12mm/s, and the welding stroke is 450 degree;
Step 6, stop welding, after the vacuum chamber cooling 8min to 12min, go vacuum again and take out the test specimen that welding is finished, finish welding.
The specific embodiment eight: the difference of present embodiment and the specific embodiment seven described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is, two tubing to be welded described in the step 1 carry out preliminary treatment and are meant solder side and near zone thereof to two tubing to be welded are carried out mechanical grinding and Chemical cleaning.
The specific embodiment nine: the difference of present embodiment and the specific embodiment seven described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is, the fixed form with the fixing described even loading in two tubing employing two ends of anchor clamps described in the step 2.Can exert pressure to the end points of two kinds of material pipe fittings respectively, guarantee that test specimen is not moved in the welding process.
The specific embodiment ten: the difference of present embodiment and the specific embodiment seven described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is that the wall thickness of described two tubing is 1.5mm~3.0mm; In step 4, electronic beam current is 15mA~30mA, and speed of welding is 8mm/s~12mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.2mm~0.6mm, and in the described welding second time, electronic beam current is 12mA~25mA, and speed of welding is 8mm/s~12mm/s.
The specific embodiment 11: the difference of present embodiment and the specific embodiment seven described a kind of chromium-bronzes and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is that the wall thickness of described two tubing is 3.0mm~5.0mm; In step 4, electronic beam current is 30mA~50mA, and speed of welding is 5mm/s~8mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.6mm~1.0mm, and in the described welding second time, electronic beam current is 25mA~45mA, and speed of welding is 5mm/s~8mm/s.

Claims (10)

1. chromium-bronze and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, its welding object is TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal, it is characterized in that described TC4 biphase titanium alloy composition is A1:6.2% (weight), V:3.5% (weight), impurity≤0.2% (weight), surplus is Ti; QCr0.8 chromium-bronze alloying component is Cr:0.4~0.7% (weight), impurity≤0.8% (weight), surplus is Cu, described welding process is at first electron beam welding to be realized in the slit of the interface of TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal, then in deflection QCr0.8 chromium-bronze alloy mother metal side, carry out the electron beam welding second time apart from interface 0.2mm~1.0mm place.
2. a kind of chromium-bronze according to claim 1 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, it is characterized in that, described TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal all are that thickness is the sheet material of 1.5mm~5.0mm, and welding process is:
Step 1, TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board are carried out preliminary treatment;
Step 2, regulate the relative position of the interface of two boards material, make the misalignment of interface of described two boards material less than 0.2mm, and the slit between the interface of two boards material is less than 0.1mm; With the fixing two boards material of anchor clamps, guarantee that the relative position of two boards material is constant then;
Step 3, the two boards material of fixedly finishing that step 2 is obtained are put into vacuum chamber, begin then to vacuumize, and make vacuum in the vacuum chamber 5 * 10 -2Pa to 5 * 10 -4Between the Pa;
Step 4, welding focus on the interface place of two boards material with electron beam, are welded to the other end from an end of this interface; Operating distance during welding is 150mm, and accelerating potential is 55kV, and focus current is 2590mA, and electronic beam current is 15mA~50mA, and speed of welding is 4mm/s~12mm/s;
Step 5, with the electron beam focal position to QCr0.8 chromium-bronze alloy board one side shifting 0.2mm~1.0mm, carry out the welding second time then, this time the accelerating potential of welding is 55kV, and focus current is 2590mA, electronic beam current is 12mA~45mA, and speed of welding is 5mm/s~12mm/s;
Step 6, stop welding, treat in the vacuum chamber after the cooling 8min to 12min, go vacuum and take out the test specimen that welding is finished, finish welding.
3. a kind of chromium-bronze according to claim 2 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, it is characterized in that TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board are carried out preliminary treatment be meant described in the step 1: solder side and near zone thereof to TC4 biphase titanium alloy sheet material to be welded and QCr0.8 chromium-bronze alloy board carry out mechanical grinding and Chemical cleaning.
4. a kind of chromium-bronze according to claim 2 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is characterized in that, described in the step 2 with anchor clamps fixedly the fixed form of two boards material be the upper surface load mode.
5. a kind of chromium-bronze according to claim 2 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is characterized in that, the sheet metal thickness of described welding object is 1.5mm~3.0mm; In step 4, speed of welding is 8mm/s~12mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy side shifting 0.2~0.6mm; The speed of welding of welding is 8mm/s~12mm/s for the second time.
6. a kind of chromium-bronze according to claim 2 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is characterized in that, the sheet metal thickness of described welding object is 3.0mm~5.0mm; In step 4, electronic beam current is 30mA~50mA, and speed of welding is 5mm/s~8mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy side shifting 0.6mm~1.0mm; The electronic beam current of welding is 25mA~45mA for the second time, and speed of welding is 5mm/s~8mm/s.
7. a kind of chromium-bronze according to claim 1 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams, it is characterized in that, described TC4 biphase titanium alloy mother metal and QCr0.8 chromium-bronze alloy mother metal all are that wall thickness is the tubing of 1.5mm~5.0mm, weld seam is annular butt weld, and the detailed process of welding is:
Step 1, two tubing to be welded are carried out preliminary treatment;
Step 2, regulate the relative position of two tubing, make slit between the interface of described two tubing less than 0.1mm, and the vertical range between the axis of described two tubing is less than 0.2mm; With fixing described two tubing of anchor clamps, make that the relative position between described two tubing immobilizes;
Step 3, two tubing fixedly finishing that step 2 is obtained are put into vacuum chamber and are begun and vacuumize, and make vacuum in the vacuum chamber 5 * 10 -2Pa to 5 * 10 -4Between the Pa;
Step 4, welding, electron beam is focused on the interface place of two kinds of pipe fittings, annular solder is carried out in annulus along interface, operating distance during welding is 150mm, accelerating potential is 55kV, and focus current is 2590mA, and electronic beam current is 15mA~50mA, speed of welding is 5mm/s~12mm/s, and the welding stroke is 450 degree;
Step 5, with the electron beam focal position to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.2mm~1.0mm, begin annular solder for the second time then, this time the accelerating potential of welding is 55kV, focus current is 2590mA, electronic beam current is 12mA~45mA, speed of welding is 5mm/s~12mm/s, and the welding stroke is 450 degree;
Step 6, stop welding, after the vacuum chamber cooling 8min to 12min, go vacuum again and take out the test specimen that welding is finished, finish welding.
8. a kind of chromium-bronze according to claim 7 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is characterized in that, the fixed form with the fixing described even loading in two tubing employing two ends of anchor clamps described in the step 2.
9. a kind of chromium-bronze according to claim 7 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is characterized in that, the wall thickness of described two tubing is 1.5mm~3.0mm; In step 4, electronic beam current is 15mA~30mA, and speed of welding is 8mm/s~12mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.2mm~0.6mm, and in the described welding second time, electronic beam current is 12mA~25mA, and speed of welding is 8mm/s~12mm/s.
10. a kind of chromium-bronze according to claim 7 and two-phase titanium alloy dissimilar materials superposing and welding method of electron beams is characterized in that, the wall thickness of described two tubing is 3.0mm~5.0mm; In step 4, electronic beam current is 30mA~50mA, and speed of welding is 5mm/s~8mm/s; In step 5, the electron beam focal position is to QCr0.8 chromium-bronze alloy pipe fitting side shifting 0.6mm~1.0mm, and in the described welding second time, electronic beam current is 25mA~45mA, and speed of welding is 5mm/s~8mm/s.
CN2010102781322A 2010-09-10 2010-09-10 Superposing and welding method of electron beams of chromium bronze and two-phase titanium alloy dissimilar materials Expired - Fee Related CN101913021B (en)

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CN102785020A (en) * 2012-08-23 2012-11-21 哈尔滨工业大学 Electron beam filler wire welding method of TC4 titanium alloy and QCr0.8 copper alloy
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CN113020769A (en) * 2021-02-05 2021-06-25 江苏京沂电器有限公司 Electron beam welding method for producing manganin shunt

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CN102059443A (en) * 2010-12-28 2011-05-18 哈尔滨工业大学 High-strength electron beam welding process of titanium metal material and copper or copper alloy
CN102059443B (en) * 2010-12-28 2012-09-12 哈尔滨工业大学 High-strength electron beam welding process of titanium metal material and copper or copper alloy
CN102785020A (en) * 2012-08-23 2012-11-21 哈尔滨工业大学 Electron beam filler wire welding method of TC4 titanium alloy and QCr0.8 copper alloy
CN102962592A (en) * 2012-12-14 2013-03-13 哈尔滨工业大学 Electronic beam aided hot extrusion diffusion connection method for SiCp/Al composite material
CN102990218A (en) * 2012-12-14 2013-03-27 哈尔滨工业大学 Method for welding copper alloy and aluminum matrix composite
CN103008869A (en) * 2012-12-14 2013-04-03 哈尔滨工业大学 Electron beam pressurizing connection method for aluminum alloy and particle-reinforced aluminum matrix composite material
CN106346126A (en) * 2016-09-29 2017-01-25 南京理工大学 Method for electron beam welding of titanium alloy and red copper dissimilar metal
CN106346126B (en) * 2016-09-29 2019-01-18 南京理工大学 A kind of titanium alloy and red copper dissimilar metal electro-beam welding method
CN113020769A (en) * 2021-02-05 2021-06-25 江苏京沂电器有限公司 Electron beam welding method for producing manganin shunt

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