CN102534295B - A kind of anticorrosion boron copper alloy - Google Patents
A kind of anticorrosion boron copper alloy Download PDFInfo
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- CN102534295B CN102534295B CN201110375591.7A CN201110375591A CN102534295B CN 102534295 B CN102534295 B CN 102534295B CN 201110375591 A CN201110375591 A CN 201110375591A CN 102534295 B CN102534295 B CN 102534295B
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Abstract
The present invention relates to a kind of anticorrosion boron copper alloy, this alloy includes the zinc of 35-38%, the boron of 0.007-0.01%, the aluminum of 2.5-3.5%, and the surplus composition in alloy is copper and a small amount of impurity.This alloy is in that the corrosion resistant chlorine simultaneously also effectively removed in tap water, and manufacturing process is simple simultaneously.
Description
Technical field
The invention belongs to field of alloy material, particularly relate to a kind of anticorrosion boron copper alloy.
Background technology
In present water treatment process, kill the harmful microorganism in water body with antibacterial.Because chloride antibacterial low price, the addition chloride that is usually effective, easy to use use as antibacterial.Although these chlorides can be decomposed by autoxidation and volatilize, but also there is a certain amount of chlorine leach in water, by human body by contacting or drinking absorption.
Human body is had certain damaging effect by chlorine, and chlorine reacts with the organic acid in human body and generates carcinogenic by-product, such as chloroform etc..Chlorine also can produce niff in water, is namely commonly called as bleaching powder taste.Studies have found that, during with tap water bathing, chlorine has three one-tenth by skin absorption, these chlorine being absorbed by the skin, and the lighter can injure skin, makes that skin quality is coarse, dry, even produce pruritus, heavy then can cause the decline of the physiological function of people, and cancer morbidity increases.
Now there is family purifier can remove the chlorine in tap water, but this kind of purifier price has been difficult to popularize.Now also have and abroad develop a kind of ormolu (KDF55 and KDF85), this kind of alloy is to adopt copper: zinc=1: the ratio of 1 and 3: 17 produces, the drainage screen made with this alloy can remove the chlorine in water body from the beginning, but this is the zinc consumed in ormolu realizes, although this mode eliminates the chlorine in water body, but the content of zinc increases.Zinc is useful with human body within the specific limits, but excessive zinc also can cause zinc poisoning.
Inventor relies on the many years of experience of this area and sums up, and through making great efforts research, it is proposed to a kind of new material, and this material can realize the object of the invention while effectively removing chlorine rather than with a large amount of sacrificial zinc.
Summary of the invention
While it is an object of the invention to the chlorine that can effectively remove in water body, reduce the alloy material of the consumption of zinc.
The present invention is achieved by the following technical solutions, and in all elements of the following stated, percentage ratio in the alloy is all weight percentage:
A kind of anticorrosion boron copper alloy, it includes the zinc of 35-38%, the boron of 0.007-0.01%, the aluminum of 2.5-3.5%, and the surplus composition in alloy is copper and a small amount of impurity.
The optimum content of the element boron in described alloy is 0.085-0.09%.
The optimum content of the element zinc in described alloy is 37.5-38%.
Described alloy composition selection principle is, the composition of boron is used for crystal grain thinning.Adding boron element can make metal form the physical property of exclusive anti-erosion, antioxidation, even compact.
The process for making producing described alloy that the present invention takes is:
The melting order that feeds intake is: copper+zinc adds (copper-boron)+aluminum after adding heat fusing, smelting temperature is 1050-1200 DEG C.Just can pass through afterwards to be incubated the subsequent techniques such as casting.
Compared with prior art, the beneficial effects of the present invention is the corrosion resistant chlorine simultaneously also effectively removed in tap water, production technology is simple simultaneously.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, following table lists 7 alloy formulas of the present invention, and indicates the alloy composition formula (blank cell represents without this element) of wherein most preferred embodiment:
By analyzing, highly preferred embodiment of the present invention formula is formula 6, and the crystal size of the final products of formula 6 is 0.020-0.035mm.
The physical property of the alloy of the present embodiment reaches:
Conductivity (%LACS): 8.4
Density (g/cm3): 8.2
The manufacture process of alloy material of the present invention is:
By formulation selection needed raw material, first copper and zinc are joined in smelting furnace, add heat fusing；Add Cu-B alloy and aluminium powder, 1050-1200 DEG C of melting, then can carry out the subsequent techniques such as casting in insulation 850-950 DEG C.
Described alloy is made tubing and faucet.
The tap water containing chlorine 0.2mg/L, 0.3mg/L, 0.4mg/L by analysis respectively is passed through the tubing with the manufacture of this alloy material or drainage screen, selects flow respectively 0.5L/min, 0.8L/min, 1.0L/min.
When after the tap water passing through chloride 0.2mg/L, 0.3mg/L, 0.4mg/L with flow for 0.5L/min, measure after stable, chloride respectively 0.085mg/L, 0.12mg/L, 0.18mg/L.
When after the tap water passing through chloride 0.2mg/L, 0.3mg/L, 0.4mg/L with flow for 0.8L/min, measure after stable, chloride respectively 0.1mg/L, 0.14mg/L, 0.21mg/L.
When after the tap water passing through chloride 0.2mg/L, 0.3mg/L, 0.4mg/L with flow for 1.0L/min, measure after stable, chloride respectively 0.12mg/L, 0.16mg/L, 0.21mg/L.
By analyzing above it can be confirmed that the chlorine processed in tap water is had certain effect by this alloy material.Meanwhile, this alloy material has face corrosivity.
Claims (1)
1. an anticorrosion boron copper alloy, it is characterised in that: it includes the zinc of 37.5% by weight percentage, the boron of 0.0085%, the aluminum of 2.5%, and the surplus composition in alloy is copper and a small amount of impurity；
The crystal size of copper alloy is 0.020-0.035mm；Conductivity is 8.4；Density is 8.2；
Preparation technology is, selects needed raw material, first joins in smelting furnace by copper and zinc, add heat fusing；Add Cu-B alloy and aluminium powder, 1050-1200 DEG C of melting, then in insulation 850-950 DEG C, carry out casting subsequent technique.
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 CN102534295A (en) | 2012-07-04 |
| CN102534295B true CN102534295B (en) | 2016-07-06 |
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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 |
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| CN (1) | CN102534295B (en) |
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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| CN102534295A (en) | 2012-07-04 |
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