CN102534295A - Anticorrosion boron copper alloy - Google Patents
Anticorrosion boron copper alloy Download PDFInfo
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- CN102534295A CN102534295A CN2011103755917A CN201110375591A CN102534295A CN 102534295 A CN102534295 A CN 102534295A CN 2011103755917 A CN2011103755917 A CN 2011103755917A CN 201110375591 A CN201110375591 A CN 201110375591A CN 102534295 A CN102534295 A CN 102534295A
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- chlorine
- copper
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Abstract
The invention relates to anticorrosion boron copper alloy, which comprises 35 to 38 percent of zinc, 0.007 to 0.01 percent of boron, 2.5 to 3.5 percent of aluminum and the balance of ingredients of copper and a small number of impurities. The alloy has the advantages that the anticorrosion performance is realized. Meanwhile, chlorine in tap water is also effectively eliminated, and the manufacture process is simple.
Description
Technical field
The invention belongs to field of alloy material, particularly relate to a kind of corrosion-resistant boron copper alloy.
Background technology
In the tap water treating processes, kill the harmful microorganism in the water body now with sterilant.Because of chloride sterilant low price, effective, easy to use generally be to add muriate to use as sterilant.Volatilize though these muriates can decompose through autoxidation, a certain amount of chlorine leach also to be arranged in water, by human body through contact or drink absorption.
Chlorine has certain damaging effect to human body, and chlorine reacts with the intravital organic acid of people and generates carcinogenic by product, such as trichloromethane etc.Chlorine also can produce niff in water, just be commonly called as the chlorinated lime flavor.Discover that during with the tap water bathing, chlorine has three one-tenth through skin absorption, these are by the chlorine of skin absorption, and the lighter can injure skin, make skin matter coarse, dry even produce itch, and are heavy then can cause the decline of people's physiological function, the cancer morbidity increase.
Existing had family purifier can remove the chlorine in the tap water, but this type purifier expensive is difficult to popularize.Also have and develop a kind of copper zinc alloy (KDF55 and KDF85) abroad at present; This type alloy is to adopt copper: the ratio of zinc=1: 1 and 3: 17 is produced; The filtering net of processing with this alloy can be removed the chlorine in the water body from the beginning; But this is to realize with the zinc that consumes in the copper zinc alloy, though this mode has been removed the chlorine in the water body, the content of zinc increases.Zinc within the specific limits with the human body beneficial, but excessive zinc also can cause zinc poisoning.
The contriver relies on the many years of experience of this area and sums up, and through making great efforts research, proposes a kind of type material, and this material can be when effectively being removed chlorine rather than realized the object of the invention with a large amount of sacrificial zinc.
Summary of the invention
When the objective of the invention is effectively to remove the chlorine in the water body, reduce the alloy material of the consumption of zinc.
The present invention realizes that through following technical scheme in all elements of the following stated, the per-cent in alloy all is weight percentage:
A kind of corrosion-resistant boron copper alloy, it includes the zinc of 35-38%, the boron of 0.007-0.01%, the aluminium of 2.5-3.5%, the surplus composition in the alloy is copper and small amount of impurities.
The optimum content of the element boron in the said alloy is 0.085-0.09%.
The optimum content of the element zinc in the said alloy is 37.5-38%.
Described alloy ingredient selection principle is that the composition of boron is used for crystal grain thinning.Adding boron can make metal form the physicals of exclusive anti-erosion, anti-oxidant, even compact.
The process for making of the said alloy of production that the present invention takes is:
The melting that feeds intake is in proper order: add (copper-boron)+aluminium after copper+zinc heat fused again, smelting temperature is 1050-1200 ℃.Just can wait subsequent technique afterwards through the insulation casting.
Compared with prior art, beneficial effect of the present invention is the corrosion resistant chlorine of also effectively removing simultaneously in the tap water, and production technique is simple simultaneously.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, has listed 7 alloy formulas of the present invention in the following table, and pointed out the wherein alloy ingredient prescription of most preferred embodiment (blank lattice represent not contain this element):
Through analyzing, most preferred embodiment prescription of the present invention is prescription 6, and the crystal size of the finished product of prescription 6 is 0.020-0.035mm.
The physicals of the alloy of present embodiment reaches:
Electric conductivity (%LACS): 8.4
Density (g/cm
3): 8.2
The manufacturing processed of alloy material of the present invention is:
By the formulation selection desired raw material, at first copper and zinc are joined in the smelting furnace heat fused; Add Cu-B alloy and aluminium powder again,, can subsequent technique such as cast in 850-950 ℃ in insulation then 1050-1200 ℃ of melting.
Said alloy is processed tubing and water tap.
To pass through tubing or the filtering net of tap water that analysis contains chlorine 0.2mg/L, 0.3mg/L, 0.4mg/L respectively, and select flow to be respectively 0.5L/min, 0.8L/min, 1.0L/min through making with this alloy material.
When being after 0.5L/min passes through the tap water of chloride 0.2mg/L, 0.3mg/L, 0.4mg/L with the flow, measure chloride 0.085mg/L, 0.12mg/L, the 0.18mg/L of being respectively through stable back.
When being after 0.8L/min passes through the tap water of chloride 0.2mg/L, 0.3mg/L, 0.4mg/L with the flow, measure chloride 0.1mg/L, 0.14mg/L, the 0.21mg/L of being respectively through stable back.
When being after 1.0L/min passes through the tap water of chloride 0.2mg/L, 0.3mg/L, 0.4mg/L with the flow, measure chloride 0.12mg/L, 0.16mg/L, the 0.21mg/L of being respectively through stable back.
Can confirm that through above analysis this alloy material has certain effect to the chlorine of handling in the tap water.Simultaneously, this alloy material has face corrodibility.
Claims (3)
1. corrosion-resistant boron copper alloy, it is characterized in that: it includes the zinc of 35-38% by weight percentage, the boron of 0.007-0.01%, the aluminium of 2.5-3.5%, the surplus composition in the alloy is copper and small amount of impurities.
2. corrosion-resistant boron copper alloy according to claim 1 is characterized in that: the optimum content of the element boron in the said alloy is 0.085-0.09%.
3. corrosion-resistant boron copper alloy according to claim 1 is characterized in that: the optimum content of the element zinc in the said alloy is 37.5-38%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110375591.7A CN102534295B (en) | 2011-11-21 | 2011-11-21 | A kind of anticorrosion boron copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110375591.7A CN102534295B (en) | 2011-11-21 | 2011-11-21 | A kind of anticorrosion boron copper alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102534295A true CN102534295A (en) | 2012-07-04 |
| CN102534295B CN102534295B (en) | 2016-07-06 |
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ID=46342314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110375591.7A Expired - Fee Related CN102534295B (en) | 2011-11-21 | 2011-11-21 | A kind of anticorrosion boron copper alloy |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792941A1 (en) * | 1996-02-20 | 1997-09-03 | Wieland-Werke AG | Use of a copper-aluminium-(zinc) alloy as a corrosion-resistant material |
| CN1517446A (en) * | 2003-01-22 | 2004-08-04 | ͬ�Ϳ�ҵ��ʽ���� | Copper-based alloy and its manufacturing method |
| CN1542150A (en) * | 2003-05-01 | 2004-11-03 | Ykk株式会社 | Cu-zn system alloy with good of durable crack resistant performance and manufacturing method thereof |
| CN1693502A (en) * | 2005-05-26 | 2005-11-09 | 宁波博威集团有限公司 | Environmental protection, healthy new type leadless easy cutting corrosion resistant low boron calcium brass alloy |
| CN1730692A (en) * | 2005-08-09 | 2006-02-08 | 河北工业大学 | Functional alloy material and its preparation method and uses |
-
2011
- 2011-11-21 CN CN201110375591.7A patent/CN102534295B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792941A1 (en) * | 1996-02-20 | 1997-09-03 | Wieland-Werke AG | Use of a copper-aluminium-(zinc) alloy as a corrosion-resistant material |
| CN1517446A (en) * | 2003-01-22 | 2004-08-04 | ͬ�Ϳ�ҵ��ʽ���� | Copper-based alloy and its manufacturing method |
| CN1542150A (en) * | 2003-05-01 | 2004-11-03 | Ykk株式会社 | Cu-zn system alloy with good of durable crack resistant performance and manufacturing method thereof |
| CN1693502A (en) * | 2005-05-26 | 2005-11-09 | 宁波博威集团有限公司 | Environmental protection, healthy new type leadless easy cutting corrosion resistant low boron calcium brass alloy |
| CN1730692A (en) * | 2005-08-09 | 2006-02-08 | 河北工业大学 | Functional alloy material and its preparation method and uses |
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| Publication number | Publication date |
|---|---|
| CN102534295B (en) | 2016-07-06 |
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Granted publication date: 20160706 Termination date: 20171121 |
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