CN104032183A - Free-cutting environment-friendly cupronickel alloy material and preparation method thereof - Google Patents
Free-cutting environment-friendly cupronickel alloy material and preparation method thereof Download PDFInfo
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- CN104032183A CN104032183A CN201410197544.1A CN201410197544A CN104032183A CN 104032183 A CN104032183 A CN 104032183A CN 201410197544 A CN201410197544 A CN 201410197544A CN 104032183 A CN104032183 A CN 104032183A
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- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 229910000570 Cupronickel Inorganic materials 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000010949 copper Substances 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 238000007670 refining Methods 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052718 tin Inorganic materials 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 7
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000003754 machining Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000005275 alloying Methods 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 239000005997 Calcium carbide Substances 0.000 claims description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229940037003 alum Drugs 0.000 claims description 6
- 239000002956 ash Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000010977 jade Substances 0.000 claims description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- -1 alum Substances 0.000 claims description 3
- 229910021538 borax Inorganic materials 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- 239000004328 sodium tetraborate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Abstract
A free-cutting environment-friendly cupronickel alloy material comprises the chemical elements in percent by mass: 12.2-12.4% of Ni, 3.5-3.9% of Sn, 0.1-0.2% of Fe, 0.15-0.18% of Sb, 7.5-7.9% of Zn, 0.15-0.18% of Si, 0.05-0.09% of As, 0.25-0.28% of V, and the balance Cu. Because of relatively high content of Ni, Zn and Sn elements, the alloy has relatively high strength and corrosion resistance; by adding Sb and Si elements, the alloy is good in cutting performance, environment-friendly and non-toxic; and by reasonably controlling the processing temperature after casting and taking waste copper as a raw material, the hardness of the core part and the hardness of the surface are basically consistent, and the alloy quality is uniform. An employed refining agent is used for casting production, is capable of reducing the porosity degree of a casting by 1-2 degree and enabling the oxide inclusions to be around second grade, and helps to obviously improve the yield.
Description
Technical field
The manufacture field that the present invention relates to metal alloy compositions, relates in particular to a kind of free machining environmental protection cupronickel alloy material and preparation method thereof.
Background technology
Copper is because of its good electroconductibility, plasticity-, and erosion resistance, applies very extensive.In copper alloy, add Lv ﹑ Nie ﹑ Meng ﹑ Xi ﹑ Gui ﹑ lead and other elements, can improve the performance of copper, for different places.Still there are some problems in the existing copper alloy of China at present, and as alloy contains a large amount of impurity elements, high temperature fatigue is poor, hot strength is low; Hardness is low, wears no resistance, frictional coefficient is large, and work-ing life is short; Poorly conductive, waste electric energy; Bending machining performance is poor, easily fractures; Quality weight, constructional difficulties; Can't meet market demands.
Summary of the invention
The object of the present invention is to provide a kind of free machining environmental protection cupronickel alloy material and preparation method thereof, this Cu alloy material has advantages of that intensity is high, corrosion-resistant, handling ease.
Technical scheme of the present invention is as follows:
A kind of free machining environmental protection cupronickel alloy material, is characterized in that: chemical element composition and mass percent thereof that it contains are: nickel 12.2-12.4, tin 3.5-3.9, iron 0.1-0.2, antimony 0.15-0.18, zinc 7.5-7.9, Si0.15-0.18, As0.05-0.09, V0.25-0.28, surplus are copper.
The production method of described free machining environmental protection cupronickel alloy material, is characterized in that:
(1), preparing fine copper and copper scrap originates as copper matrix in 1:0.4-0.7 ratio, fine copper is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add copper scrap fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) nickel, iron; (2) zinc, As; (3) tin, silicon; (4) other remaining components; The each batch of timed interval of dropping into element is 22-25 minute, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 340-360 DEG C by room temperature with 240-250 DEG C/h of speed, and insulation 50-60 minute, then be warming up to 580-600 DEG C with 240-250 DEG C/h of speed, insulation 1-2 hour; Be cooled to 100-120 DEG C with 270-280 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 350-360 DEG C with 210-220 DEG C/h of speed again, insulation 1-2 hour; Be cooled to 90-110 with 220-240 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 330-340 DEG C with 200-210 DEG C/h of speed again, insulation 2-3 hour, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight part: Paris white 4-5, bauxitic clay 2.1-2.5, trees ashes 1-2, nano silicon 1-2, alum 2-3, jade powder 3-4, calcium carbide powder 4-5, potassium fluotitanate 2-3, sodium tetraborate 1-2, Bi
2o
32-3; Its preparation method is that Paris white, bauxitic clay, trees ashes, nano silicon, alum, jade powder, calcium carbide powder are mixed, be heated to 2600-3000 DEG C, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
Beneficial effect of the present invention
Alloy of the present invention, containing higher nickel, zinc, tin element, has higher intensity and corrosion resistance nature, and good processability; By adding antimony, Si element, make machinability good, and environment-protecting asepsis; By reasonable control casting post-processing temperature, use copper scrap as raw material, make core hardness and surface hardness basically identical, alloy quality homogeneous.Refining agent of the present invention, for Foundry Production, can make the degree of porosity in foundry goods reduce 1-2 degree, and oxide inclusion, 2 grades of left and right, obviously improves yield rate.
Embodiment
A kind of free machining environmental protection cupronickel alloy material, chemical element composition and mass percent thereof that it contains are: nickel 12.2-12.4, tin 3.5-3.9, iron 0.1-0.2, antimony 0.15-0.18, zinc 7.5-7.9, Si0.15-0.18, As0.05-0.09, V0.25-0.28, surplus are copper.
The production method of described free machining environmental protection cupronickel alloy material is as follows:
(1), preparing fine copper and copper scrap originates as copper matrix in 1:0.6 ratio, fine copper is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add copper scrap fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) nickel, iron; (2) zinc, As; (3) tin, silicon; (4) other remaining components; The each batch of timed interval of dropping into element is 23 minutes, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 350 DEG C by room temperature with 245 DEG C/h of speed, be incubated 55 minutes, then be warming up to 590 DEG C with 245 DEG C/h of speed, be incubated 1.5 hours; Be cooled to 110 DEG C with 275 DEG C/h of speed again, be incubated 1.5 hours; Be warming up to 355 DEG C with 215 DEG C/h of speed again, be incubated 1.5 hours; Be cooled to 100 with 230 DEG C/h of speed again, be incubated 1.5 hours; Be warming up to 335 DEG C with 205 DEG C/h of speed again, be incubated 2.5 hours, take out air cooling and get final product.
Described refining agent by following weight part (kilogram) raw material make: Paris white 5, bauxitic clay 2.1, trees ashes 1, nano silicon 2, alum 2, jade powder 4, calcium carbide powder 4, potassium fluotitanate 3, sodium tetraborate 2, Bi
2o
32; Its preparation method is that Paris white, bauxitic clay, trees ashes, nano silicon, alum, jade powder, calcium carbide powder are mixed, be heated to 2600-3000 DEG C, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
The free machining environmental protection cupronickel alloy material of the present embodiment, tensile strength б b is 508Mpa, yield strength 479MPa, hardness value HB is 126, electric conductivity %IACS66,590 DEG C of softening temperatures, 20 DEG C of unit elongation 13%.
Claims (4)
1. a free machining environmental protection cupronickel alloy material, is characterized in that: chemical element composition and mass percent thereof that it contains are: nickel 12.2-12.4, tin 3.5-3.9, iron 0.1-0.2, antimony 0.15-0.18, zinc 7.5-7.9, Si0.15-0.18, As0.05-0.09, V0.25-0.28, surplus are copper.
2. the production method of free machining environmental protection cupronickel alloy material according to claim 1, is characterized in that:
(1), preparing fine copper and copper scrap originates as copper matrix in 1:0.4-0.7 ratio, fine copper is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add copper scrap fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) nickel, iron; (2) zinc, As; (3) tin, silicon; (4) other remaining components; The each batch of timed interval of dropping into element is 22-25 minute, after feeding intake, stirs.
3. the production method of free machining environmental protection cupronickel alloy material according to claim 2, it is characterized in that: described casting postheat treatment is: be first warming up to 340-360 DEG C by room temperature with 240-250 DEG C/h of speed, insulation 50-60 minute, be warming up to 580-600 DEG C with 240-250 DEG C/h of speed again, insulation 1-2 hour; Be cooled to 100-120 DEG C with 270-280 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 350-360 DEG C with 210-220 DEG C/h of speed again, insulation 1-2 hour; Be cooled to 90-110 with 220-240 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 330-340 DEG C with 200-210 DEG C/h of speed again, insulation 2-3 hour, takes out air cooling and get final product.
4. the production method of free machining environmental protection cupronickel alloy material according to claim 2, is characterized in that: described refining agent is made up of the raw material of following weight part: Paris white 4-5, bauxitic clay 2.1-2.5, trees ashes 1-2, nano silicon 1-2, alum 2-3, jade powder 3-4, calcium carbide powder 4-5, potassium fluotitanate 2-3, sodium tetraborate 1-2, Bi
2o
32-3; Its preparation method is that Paris white, bauxitic clay, trees ashes, nano silicon, alum, jade powder, calcium carbide powder are mixed, be heated to 2600-3000 DEG C, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410197544.1A CN104032183B (en) | 2014-05-12 | 2014-05-12 | A kind of free machining environmental protection cupronickel alloy material and preparation method thereof |
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|---|---|---|---|
| CN201410197544.1A CN104032183B (en) | 2014-05-12 | 2014-05-12 | A kind of free machining environmental protection cupronickel alloy material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104032183A true CN104032183A (en) | 2014-09-10 |
| CN104032183B CN104032183B (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372274A (en) * | 2014-10-09 | 2015-02-25 | 安徽鑫科新材料股份有限公司 | Processing technology for elimination of roll marks on surface of zinc-copper-nickel alloy strip |
| CN106702197A (en) * | 2016-11-21 | 2017-05-24 | 新乡市海山机械有限公司 | Anti-segregation refining agent for casting high-lead bronze and production method of anti-segregation refining agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757479A (en) * | 2014-01-10 | 2014-04-30 | 滁州学院 | Lead-free environment-friendly copper-nickel-zinc alloy material and preparation method thereof |
| CN103757473A (en) * | 2014-01-10 | 2014-04-30 | 滁州学院 | Environment-friendly free-cutting zinc white copper alloy material and preparation method thereof |
| CN103773993A (en) * | 2014-01-10 | 2014-05-07 | 滁州学院 | Environment-friendly zinc-copper-nickel alloy material and preparation method for same |
-
2014
- 2014-05-12 CN CN201410197544.1A patent/CN104032183B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757479A (en) * | 2014-01-10 | 2014-04-30 | 滁州学院 | Lead-free environment-friendly copper-nickel-zinc alloy material and preparation method thereof |
| CN103757473A (en) * | 2014-01-10 | 2014-04-30 | 滁州学院 | Environment-friendly free-cutting zinc white copper alloy material and preparation method thereof |
| CN103773993A (en) * | 2014-01-10 | 2014-05-07 | 滁州学院 | Environment-friendly zinc-copper-nickel alloy material and preparation method for same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372274A (en) * | 2014-10-09 | 2015-02-25 | 安徽鑫科新材料股份有限公司 | Processing technology for elimination of roll marks on surface of zinc-copper-nickel alloy strip |
| CN106702197A (en) * | 2016-11-21 | 2017-05-24 | 新乡市海山机械有限公司 | Anti-segregation refining agent for casting high-lead bronze and production method of anti-segregation refining agent |
| CN106702197B (en) * | 2016-11-21 | 2018-02-27 | 新乡市海山机械有限公司 | Cast high-lead bronze anti-segregation refining agent and its production method |
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| Publication number | Publication date |
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| CN104032183B (en) | 2016-04-13 |
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Denomination of invention: The invention relates to a free cutting environment-friendly white copper alloy material and a preparation method thereof Effective date of registration: 20211203 Granted publication date: 20160413 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
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