CN103131893B - A kind of acid bronze alloy - Google Patents
A kind of acid bronze alloy Download PDFInfo
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- CN103131893B CN103131893B CN201110375575.8A CN201110375575A CN103131893B CN 103131893 B CN103131893 B CN 103131893B CN 201110375575 A CN201110375575 A CN 201110375575A CN 103131893 B CN103131893 B CN 103131893B
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Abstract
The present invention relates to a kind of novel copper-base alloy, it includes the zinc of 36.5-39%, the boron of 0.005-0.07%, the aluminum of 2.5-3.5%, the stannum of 0.5-2.0%, 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 production technology is simple simultaneously.
Description
Technical field
The invention belongs to field of alloy material, particularly relate to a kind of novel copper-base alloy.
Background technology
In present water treatment process, generally killing the harmful microorganism in water body with antibacterial, because of chloride antibacterial low price, effective, the addition chloride that is usually easy to use uses 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..And chlorine 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 water cleaning systems can remove the chlorine in tap water, but this kind of water cleaning systems price has been difficult to popularize.Now also have that abroad to develop a kind of ormolu (KDF55 and KDF85) this kind of alloy be adopt copper: the ratio of zinc=1:1 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.For the problems referred to above, develop a kind of simple and easy, safety and can effectively remove the material of chlorine, and this material being used for the water pipe of ordinarily resident or faucet should be best thinking.
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.Although also a small amount of zinc loss, it is also possible to reach the effective time limit of faucet or water pipe.
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, to be suitable as the raw material of tap water tubing and faucet.
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 36.5-39%, the boron of 0.005-0.07%, the aluminum of 2.5-3.5%, the stannum of 0.5-2.0%, 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 0.006-0.007%.
The optimum content of the element zinc in described alloy is 38-39%.
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+stannum after adding heat fusing, smelting temperature is 1050-1300 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, manufacturing process is simple simultaneously.
Detailed description of the invention
Below in conjunction with embodiment, the present invention being described in further detail, embodiments of the invention are only used for explaining that the present invention cannot be used for being not construed as limitation of the present invention.
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): 8.1
Density (g/cm3): 7.86
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, aluminium powder and glass putty, 1050-1300 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 and 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 corrosion resistance.
Analyzing after testing, with the tubing that formula materials described in the embodiment of the present invention 6 manufactures, through the continuous use of 1 year, finally recording the loss of zinc in this tubing was 0.074%.
Claims (1)
1. an acid bronze alloy, it is characterised in that: by the zinc of 38.5-39%, the boron of 0.0065-0.007%, the aluminum of 2.5-2.8%, the stannum of 1.5-2.0%, the surplus composition in alloy is copper and a small amount of impurity composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110375575.8A CN103131893B (en) | 2011-11-21 | 2011-11-21 | A kind of acid bronze alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110375575.8A CN103131893B (en) | 2011-11-21 | 2011-11-21 | A kind of acid bronze alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103131893A CN103131893A (en) | 2013-06-05 |
| CN103131893B true CN103131893B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110375575.8A Expired - Fee Related CN103131893B (en) | 2011-11-21 | 2011-11-21 | A kind of acid bronze alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN103131893B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013194277A (en) * | 2012-03-19 | 2013-09-30 | Lixil Corp | Copper-based alloy for cutting and device for water service using the alloy |
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2011
- 2011-11-21 CN CN201110375575.8A patent/CN103131893B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
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| CN103131893A (en) | 2013-06-05 |
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