CN103045900B - Novel high-stability copper alloy material for welding and preparation method for same - Google Patents
Novel high-stability copper alloy material for welding and preparation method for same Download PDFInfo
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- CN103045900B CN103045900B CN201310016041.5A CN201310016041A CN103045900B CN 103045900 B CN103045900 B CN 103045900B CN 201310016041 A CN201310016041 A CN 201310016041A CN 103045900 B CN103045900 B CN 103045900B
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Abstract
The invention discloses a novel high-stability copper alloy material for welding and a preparation method for the same. The novel copper alloy material is composed of copper, tin, manganese and zinc, wherein the percent by mass of copper is 36-62.5%. Preferably, the novel copper alloy material is composed of, in percent by mass, 18-20% of tin, 0.5-1% of manganese, 19-22% of zinc and the balance of copper. Preferably, the novel copper alloy material is composed of, in percent by mass, 21-25% of tin, 3-6% of manganese, 23-27% of zinc and the balance of copper. Preferably, the novel copper alloy material is composed of, in percent by mass, 26-28% of tin, 3-6% of manganese, 28-30% of zinc and the balance of copper. The novel copper alloy material replaces a lead element while ensuring the original performances of the traditional welding material, thus meeting the ROHS (restriction of hazardous substances) requirements; and by adding the manganese element, the oxidization of zinc is prevented, thus improving the stability of a welding carrier while greatly reducing the cost of the material.
Description
Technical field
The present invention relates to the manufacturing technology field of welding material, particularly relating to a kind of Novel high-stability copper alloy material for welding and preparation method thereof.
Background technology
On market, existing welding material is generally two kinds: a kind of is SAC, and another kind is tin cupro lead.Along with " about being limited in electronic and electrical equipment the instruction using some objectionable constituent " (Restriction of Hazardous Substances, ROHS) policy execution of the plumbous instruction of taboo in the electronics industry, leaded soldering material can not meet high-level environmental requirement.And the application difficult point of SAC to be not only requirement brazier temperature higher than original lead alloy 30 degree, and its cost is also high than tin cupro lead by 25%, the more important thing is that the raising of this temperature can reduce the stability exposing components and parts greatly.Therefore, red brass is studied further.But the oxidation of zinc prevents the application of red brass.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, a kind of Novel high-stability copper alloy material for welding and preparation method thereof is provided.This Novel high-stability copper alloy material being used for welding can play the object stoping zinc oxidation, and while greatly reducing material cost, also improve the stability of welding carrier.
For achieving the above object, the technical solution used in the present invention is as follows.
For a Novel high-stability copper alloy material of welding, be made up of copper, tin, manganese, zinc, wherein, the mass percent of copper is 36-62.5%.
Preferably, the Novel high-stability copper alloy material for welding provided by the invention, its mass percent consists of: tin 18-20%; Manganese 0.5-1%; Zinc 19-22%; Surplus is copper.
Invention further provides a kind of method of producing the above-mentioned preferred Novel high-stability copper alloy material for welding, comprising the following steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1100-1150 degree, be incubated to 1100 degree after fusing completely.
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 25-30cm.
3), after being incubated 30-40 minute, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace.
4) insulation is after 30-35 minute further, and be again warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second; Horizontal continuous casting method is adopted to be cast as the solid alloy bar that diameter is 35mm, length is 600mm.
5) adopt 1200 tons of single action extrusion machine extruding, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=10mm/s; The diameter of the rear alloy bar of extruding is 16mm, length is 1150mm, then uses high precision wolfram steel thin skin mould by alloy bar peeling once to 15mm.
6) with head machine processed, the drawing section that length is 100mm, diameter is 10mm is made in one end of alloy bar; Be diameter with finishing die by alloy bar multi-drawing be 6mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm.
7) pack and put in storage.
Preferably, the Novel high-stability copper alloy material for welding provided by the invention, its mass percent consists of: tin 21-25%; Manganese 3-6%; Zinc 23-27%; Surplus is copper.
Invention further provides a kind of method of producing the above-mentioned preferred Novel high-stability copper alloy material for welding, comprising the following steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1150-1200 degree, be incubated to 1100 degree after fusing completely.
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 25-30cm.
3), after being incubated 1-1.5 hour, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace.
4) insulation is after 30-35 minute further, and be again warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second; Horizontal continuous casting method is adopted to be cast as the solid alloy bar that diameter is 25mm, length is 600mm.
5) adopt 800 tons of single action extrusion machine extruding, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=15mm/s; The diameter of the rear alloy bar of extruding is 12mm, length is 2500mm, then uses high precision wolfram steel thin skin mould by alloy bar peeling once to 11mm.
6) with head machine processed, the drawing section that length is 100mm, diameter is 8mm is made in one end of alloy bar; Be diameter with finishing die by alloy bar multi-drawing be 10mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm.
7) pack and put in storage.
Preferably, the Novel high-stability copper alloy material for welding provided by the invention, its mass percent consists of: tin 26-28%; Manganese 3-6%; Zinc 28-30%; Surplus is copper.
Invention further provides a kind of method of producing the above-mentioned preferred Novel high-stability copper alloy material for welding, comprising the following steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1250-1300 degree, be incubated to 1200 degree after fusing completely.
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 20-25cm.
3), after being incubated 1.5-2 hour, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace.
4) insulation is after 50-60 minute further, and be again warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second; Horizontal continuous casting method is adopted to be cast as the solid alloy bar that diameter is 30mm, length is 700mm.
5) adopt 800 tons of single action extrusion machine extruding, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=20mm/s; The diameter of the rear alloy bar of extruding is 15mm, length is 2500mm.
6) with head machine processed, the drawing section that length is 100mm, diameter is 10mm is made in one end of alloy bar; Be diameter with finishing die by alloy bar multi-drawing be 12mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm.
7) pack and put in storage.
The invention has the beneficial effects as follows:
Lead element, while the original traditional welding material property of guarantee, replaces, meets ROHS requirement by the present invention.In the Novel high-stability copper alloy material for welding of the present invention, adding manganese element, the object stoping zinc oxidation can be reached, while greatly reducing material cost, also improve the stability of welding carrier.
Accompanying drawing explanation
Fig. 1 is the schema of the preparation method of the Novel high-stability copper alloy material for welding of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
(1) embodiment 1
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 18%; Manganese 1%; Zinc 19%; Surplus is copper.
The preparation method of Novel high-stability copper alloy material for welding of embodiment 1, as shown in Figure 1, comprises the steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1100-1150 degree, be incubated to 1100 degree after fusing completely.
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 25-30cm.
3), after being incubated 30-40 minute, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace.
4) insulation is after 30-35 minute further, and be again warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second; Horizontal continuous casting method is adopted to be cast as the solid alloy bar that diameter is 35mm, length is 600mm.
5) adopt 1200 tons of single action extrusion machine extruding, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=10mm/s; The diameter of the rear alloy bar of extruding is 16mm, length is 1150mm, then uses high precision wolfram steel thin skin mould by alloy bar peeling once to 15mm.
6) with head machine processed, the drawing section that length is 100mm, diameter is 10mm is made in one end of alloy bar; Be diameter with finishing die by alloy bar multi-drawing be 6mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm.
7) pack and put in storage.
(2) embodiment 2
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 20%; Manganese 0.5%; Zinc 22%; Surplus is copper.
Being obtained by the method identical with embodiment 1 for the Novel high-stability copper alloy material of welding of embodiment 2.
(3) embodiment 3
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 19%; Manganese 0.75%; Zinc 20%; Surplus is copper.
Being obtained by the method identical with embodiment 1 for the Novel high-stability copper alloy material of welding of embodiment 3.
(4) embodiment 4
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 21%; Manganese 6%; Zinc 23%; Surplus is copper.
The preparation method of Novel high-stability copper alloy material for welding of embodiment 4, as shown in Figure 1, comprises the steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1150-1200 degree, be incubated to 1100 degree after fusing completely.
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 25-30cm.
3), after being incubated 1-1.5 hour, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace.
4) insulation is after 30-35 minute further, and be again warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second; Horizontal continuous casting method is adopted to be cast as the solid alloy bar that diameter is 25mm, length is 600mm.
5) adopt 800 tons of single action extrusion machine extruding, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=15mm/s; The diameter of the rear alloy bar of extruding is 12mm, length is 2500mm, then uses high precision wolfram steel thin skin mould by alloy bar peeling once to 11mm.
6) with head machine processed, the drawing section that length is 100mm, diameter is 8mm is made in one end of alloy bar; Be diameter with finishing die by alloy bar multi-drawing be 10mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm.
7) pack and put in storage.
(5) embodiment 5
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 25%; Manganese 3%; Zinc 27%; Surplus is copper.
Being obtained by the method identical with embodiment 4 for the Novel high-stability copper alloy material of welding of embodiment 5.
(6) embodiment 6
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 23%; Manganese 5%; Zinc 25%; Surplus is copper.
Being obtained by the method identical with embodiment 4 for the Novel high-stability copper alloy material of welding of embodiment 6.
(7) embodiment 7
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 26%; Manganese 6%; Zinc 28%; Surplus is copper.
The preparation method of Novel high-stability copper alloy material for welding of embodiment 7, as shown in Figure 1, comprises the steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1250-1300 degree, be incubated to 1200 degree after fusing completely.
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 20-25cm.
3), after being incubated 1.5-2 hour, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace.
4) insulation is after 50-60 minute further, and be again warming up to 1300 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second; Horizontal continuous casting method is adopted to be cast as the solid alloy bar that diameter is 30mm, length is 700mm.
5) adopt 800 tons of single action extrusion machine extruding, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=20mm/s; The diameter of the rear alloy bar of extruding is 15mm, length is 2500mm.
6) with head machine processed, the drawing section that length is 100mm, diameter is 10mm is made in one end of alloy bar; Be diameter with finishing die by alloy bar multi-drawing be 12mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm.
7) pack and put in storage.
(8) embodiment 8
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 28%; Manganese 3%; Zinc 30%; Surplus is copper.
Being obtained by the method identical with embodiment 7 for the Novel high-stability copper alloy material of welding of embodiment 8.
(9) embodiment 9:
For a Novel high-stability copper alloy material of welding, its mass percent consists of: tin 27%; Manganese 5%; Zinc 29%; Surplus is copper.
Being obtained by the method identical with embodiment 7 for the Novel high-stability copper alloy material of welding of embodiment 9.
The performance of Novel high-stability copper alloy material for welding provided by the invention and traditional welding material is as shown in table 1.
Table 1 is for the performance comparison of the Novel high-stability copper alloy material of welding and traditional welding material
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the claims in the present invention.
Claims (4)
1. the high stability Cu alloy material for welding, is characterized in that, is made up of tin, manganese, zinc, copper, and the mass percent of each component is: tin 18%; Manganese 1%; Zinc 19%; Surplus is copper.
2. the high stability Cu alloy material for welding, is characterized in that, is made up of tin, manganese, zinc, copper, and the mass percent of each component is: tin 20%; Manganese 0.5%; Zinc 22%; Surplus is copper.
3. the high stability Cu alloy material for welding, is characterized in that, is made up of tin, manganese, zinc, copper, and the mass percent of each component is: tin 19%; Manganese 0.75%; Zinc 20%; Surplus is copper.
4. the method for high stability Cu alloy material for welding described in any one of producing claim 1-3, comprises the following steps:
1) according to proportioning, Xi ﹑ Xin ﹑ Meng ﹑ copper is placed in main frequency furnace, is heated to 1100-1150 degree, be incubated to 1100 degree after fusing completely;
2), after fully being stirred by the alloy liquid melted completely with graphite rod, cover high purity flaky graphite powder and be oxidized to prevent it, thickness is 25-30cm;
3), after being incubated 30-40 minute, producing Spike direct-reading spectrometer with Germany and three composition inspections are carried out, to determine that its alloying constituent is within specialized range to the sample taken out in main frequency furnace;
4) insulation is after 30-35 minute further, and be again warming up to 1200 degree, and open the vibrating device of main frequency furnace, vibrational frequency is 1 time/second, adopts horizontal continuous casting method to be cast as the solid alloy bar that diameter is 35mm, length is 600mm;
5) 1200 tons of single action extrusion machine extruding are adopted, alloy pig Heating temperature is 100-150 degree, and extrusion temperature is 200 degree, extrusion speed V=10mm/s, the diameter of the rear alloy bar of extruding is 16mm, length is 1150mm, then uses high precision wolfram steel thin skin mould by alloy bar peeling once to 15mm;
6) with head machine processed, the drawing section that length is 100mm, diameter is 10mm is made in one end of alloy bar, be diameter with finishing die by alloy bar multi-drawing be 6mm, tolerance is the welding wire base rod of +/-0.05mm, then welding wire base rod is cut into that length is 500mm, tolerance is the specification of+1/-0mm;
7) pack and put in storage.
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| CN104264028B (en) * | 2014-10-09 | 2016-04-06 | 江苏航天动力机电有限公司 | One copper alloy retaining ring on rotor |
| DE112018001576T5 (en) | 2017-03-24 | 2019-12-19 | Ihi Corporation | Wear-resistant copper-zinc alloy and mechanical device that uses it |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066999A (en) * | 1991-05-20 | 1992-12-16 | 江苏工学院 | Silver-free copper-based brazing filler metal |
| CN102828063A (en) * | 2012-09-18 | 2012-12-19 | 苏州天兼金属新材料有限公司 | Novel lead-free environment-friendly high-strength wear-resistant copper-base alloy bar and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02263942A (en) * | 1989-04-01 | 1990-10-26 | Nissho Iwai Corp | Special spinodal copper alloy |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066999A (en) * | 1991-05-20 | 1992-12-16 | 江苏工学院 | Silver-free copper-based brazing filler metal |
| CN102828063A (en) * | 2012-09-18 | 2012-12-19 | 苏州天兼金属新材料有限公司 | Novel lead-free environment-friendly high-strength wear-resistant copper-base alloy bar and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| Cu-Zn-Sn-Mn低熔点合金的设计;黄照军等;《铸造》;20101231;第59卷(第12期);第1349-1350页 "铜合金成分设计"部分 * |
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