CN109207789A - A kind of military boats and ships anti-corrosive alloy material and preparation method thereof - Google Patents
A kind of military boats and ships anti-corrosive alloy material and preparation method thereof Download PDFInfo
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- CN109207789A CN109207789A CN201811231726.0A CN201811231726A CN109207789A CN 109207789 A CN109207789 A CN 109207789A CN 201811231726 A CN201811231726 A CN 201811231726A CN 109207789 A CN109207789 A CN 109207789A
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- alloy
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- preheating
- alloy material
- casting machine
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
Abstract
The invention discloses a kind of military boats and ships anti-corrosive alloy material and its preparation side's methods, are related to cast copper alloy preparation field, the alloy material, it is grouped as by the group of following weight percentage: AL 9~11.5%, Mn 3~5.5%, Ni 3~5.5%, Si 0.5~1%, surplus Cu；The preparation method, includes the following steps: step 1: weighing raw material according to the composition of military boats and ships anti-corrosive alloy material, melting in a furnace is alloy liquid；Step 2: preheating mold, and preheating temperature is 200~350 DEG C；Step 3: the mold after preheating is fixed on centrifugal casting machine, by step 1) in alloy liquid injection mold after, open centrifugal casting machine be poured；Centrifugal casting machine revolving speed is 900~1300r/min, and 980~1150 DEG C of pouring temperature, 30~40s of time is cooled to room temperature, obtains alloy-steel casting.The cast copper alloy that the preparation method obtains is used to prepare corrosion-resistant copper valve body, crosses and the elements such as a certain proportion of Mn and Cr are added in cast copper alloy, to improve the wear-resisting and corrosion resistance of cast copper alloy.
Description
Technical field
The present invention relates to cast copper alloy preparation field more particularly to a kind of military boats and ships anti-corrosive alloy material and its
Preparation side's method.
Background technique
Copper and its alloy have excellent heat transfer electric conductivity, corrosion resistance, good casting character and machining
Performance and intensity appropriate, therefore, copper and its alloy-steel casting in industrial production using more and more.Cast copper alloy is existing
For one of industry-wide structural material, it is usually used in ships, chemical machinery, the important part in electronic instrument and heat exchange
Device.
Copper alloy is that the alloy that one or more of other elements are constituted is added using fine copper by matrix.By material forming method
It divides, cast copper alloy and wrought copper alloy can be divided into.Cast copper alloy not can be carried out the change such as forging, extruding, deep-draw and drawing
Shape processing.Cast copper alloy in the resistant material being widely used has corrosion resistance and good casting property, alloy group
Densification is knitted, air-tightness is high, and wearability is good, is easy to the characteristics such as welding.But military boats and ships are relative to the product for civilian use to the property of components
Energy requirement is harsher, correspondingly also proposed the requirement of higher wear-resisting and corrosion resistance.Therefore the characteristic and reality of material are directed to
The elements such as a certain proportion of Mn and Cr are added in melting for border demand, can be very good the metallographic structure for improving material, effectively
Enhance wear-resisting and corrosion resistance.
Summary of the invention
To solve the above problems, the present invention is come by the way that the elements such as a certain proportion of Mn and Cr are added in cast copper alloy
Improve the wear-resisting and corrosion resistance of cast copper alloy.
The present invention is achieved by following technical solution:
A kind of military boats and ships anti-corrosive alloy material, is grouped as by the group of following weight percentage: AL 9~11.5%,
Mn 3~5.5%, Ni 3~5.5%, Si 0.5~1%, surplus Cu.
A kind of preparation method of military boats and ships anti-corrosive alloy material, includes the following steps:
Step 1: weighing raw material according to the composition of military boats and ships anti-corrosive alloy material, and melting in a furnace is alloy
Liquid；
Step 2: preheating mold, and preheating temperature is 200~350 DEG C；
Step 3: the mold after preheating is fixed on centrifugal casting machine, by step 1) in alloy liquid inject mold
Afterwards, centrifugal casting machine is opened to be poured；Centrifugal casting machine revolving speed be 900~1300r/min, 980~1150 DEG C of pouring temperature,
30~40s of time, is cooled to room temperature, and obtains alloy-steel casting.
Further, in step 2) preheating temperature be 300~350 DEG C.
Further, in step 3) 1100~1150 DEG C of pouring temperature.
Further, step 3) obtained in tensile strength >=780MPa of alloy, yield strength >=300MPa, extension
Rate 15%, Brinell hardness >=190N/mm2。
Further, the alloy which obtains is used to prepare corrosion-resistant copper valve body.
The utility model has the advantages that
1. the elements such as a certain proportion of Mn and Cr are added when melting, the metallographic structure for improving material can be very good, effectively
Enhance wear-resisting and corrosion resistance, and machinability is good.
2. there is excellent heat transfer electric conductivity, corrosion resistance, good casting character and machining property and fit
When intensity.
3. the alloy that the present invention obtains is had excellent performance, tensile strength 780MPa, yield strength 300MPa, elongation percentage
15%, Brinell hardness is not less than 190N/mm2。
Specific embodiment
To be understood the present invention is further, it is described further now in conjunction with embodiment:
Embodiment 1:
The present embodiment cast copper alloy is grouped as by the group of following weight percentage: AL 9%, Mn 3%, Ni 3%,
Si 0.5%, surplus Cu.
The preparation method of the cast copper alloy material of the present embodiment, specific steps are as follows:
Step 1: weighing raw material according to the composition of military boats and ships anti-corrosive alloy material, and melting in a furnace is alloy
Liquid；
Step 2: preheating mold, preheating temperature 200C；
Step 3: the mold after preheating is fixed on centrifugal casting machine, by step 1) in alloy liquid inject mold
Afterwards, centrifugal casting machine is opened to be poured；Centrifugal casting machine revolving speed is 900min, and 980 DEG C of pouring temperature, time 30s is cooled to
Room temperature obtains alloy-steel casting.
Embodiment 2:
The present embodiment cast copper alloy is grouped as by the group of following weight percentage: AL 11.5%, Mn 5.5%, Ni
5.5%, Si 1%, surplus Cu.
The preparation method of the cast copper alloy material of the present embodiment, specific steps are as follows:
Step 1: weighing raw material according to the composition of military boats and ships anti-corrosive alloy material, and melting in a furnace is alloy
Liquid；
Step 2: preheating mold, and preheating temperature is 200 DEG C；
Step 3: the mold after preheating is fixed on centrifugal casting machine, by step 1) in alloy liquid inject mold
Afterwards, centrifugal casting machine is opened to be poured；Centrifugal casting machine revolving speed is 900min, and 980 DEG C of pouring temperature, time 30s is cooled to
Room temperature obtains alloy-steel casting.
Embodiment 3:
The present embodiment cast copper alloy is grouped as by the group of following weight percentage: AL 11.5%, Mn 5.5%, Ni
5.5%, Si 1%, surplus Cu.
The preparation method of the cast copper alloy material of the present embodiment, specific steps are as follows:
Step 1: weighing raw material according to the composition of military boats and ships anti-corrosive alloy material, and melting in a furnace is alloy
Liquid；
Step 2: preheating mold, and preheating temperature is 200 DEG C；
Step 3: the mold after preheating is fixed on centrifugal casting machine, by step 1) in alloy liquid inject mold
Afterwards, centrifugal casting machine is opened to be poured；Centrifugal casting machine revolving speed is 1300min, pouring temperature 1150C, time 30s, cooling
To room temperature, alloy-steel casting is obtained.
Table 1: the performance indicator of the cast copper alloy material of production synthesis of the embodiment of the present invention
By table 1 it is found that cast copper alloy material indices prepared by the present invention comply with standard, and the present invention is set
Meter is rationally simple, and low in cost, practical, safety and environmental protection has a extensive future.
Illustrate: above embodiments are only to illustrate the present invention and not limit the technical scheme described by the invention；Therefore,
Although this specification is referring to above-mentioned each embodiment, the present invention has been described in detail, the common skill of this field
Art personnel should be appreciated that and still can modify to the present invention or equivalent replacement；And all do not depart from spirit of the invention and
The technical solution and its improvement of range, should all cover in scope of the presently claimed invention.
Claims (5)
1. a kind of military boats and ships anti-corrosive alloy material, which is characterized in that be grouped as by the group of following weight percentage: AL 9
~11.5%, Mn 3~5.5%, Ni 3~5.5%, Si 0.5~1%, surplus Cu.
2. a kind of preparation method of military boats and ships anti-corrosive alloy material, which comprises the steps of:
Step 1: weighing raw material according to the composition of military boats and ships anti-corrosive alloy material, and melting in a furnace is alloy liquid；
Step 2: preheating mold, and preheating temperature is 200~350 DEG C；
Step 3: the mold after preheating is fixed on centrifugal casting machine, by step 1) in alloy liquid injection mold after,
Centrifugal casting machine is opened to be poured；Centrifugal casting machine revolving speed be 900~1300r/min, 980~1150 DEG C of pouring temperature, when
Between 30~40s, be cooled to room temperature, obtain alloy-steel casting.
3. the preparation method of military boats and ships anti-corrosive alloy material according to claim 2, which is characterized in that step 2
In) preheating temperature be 300~350 DEG C.
4. the preparation method of military boats and ships anti-corrosive alloy material according to claim 2, which is characterized in that step 3
In) 1100~1150 DEG C of pouring temperature.
5. according to the preparation method of the described in any item military boats and ships anti-corrosive alloy materials of claim 2-4, which is characterized in that
The alloy that the preparation method obtains is used to prepare corrosion-resistant copper valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231726.0A CN109207789A (en) | 2018-10-22 | 2018-10-22 | A kind of military boats and ships anti-corrosive alloy material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231726.0A CN109207789A (en) | 2018-10-22 | 2018-10-22 | A kind of military boats and ships anti-corrosive alloy material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109207789A true CN109207789A (en) | 2019-01-15 |
Family
ID=64981431
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811231726.0A Pending CN109207789A (en) | 2018-10-22 | 2018-10-22 | A kind of military boats and ships anti-corrosive alloy material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496215A (en) * | 2020-06-12 | 2020-08-07 | 浙江灿根智能科技有限公司 | Centrifugal casting die and manufacturing process of double-flange pipe fitting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696476A (en) * | 2009-10-14 | 2010-04-21 | 苏州有色金属研究院有限公司 | Corrosion-resistant multicomponent aluminum-bronze alloy material |
| CN103589900A (en) * | 2013-10-23 | 2014-02-19 | 株洲联诚集团有限责任公司 | Wear-resistant copper alloy material and casting method thereof |
| CN104294080A (en) * | 2014-09-18 | 2015-01-21 | 贝原合金（苏州）有限公司 | Wear-resistant copper alloy formula and preparation method thereof |
| CN104475696A (en) * | 2014-12-19 | 2015-04-01 | 中国南方航空工业(集团)有限公司 | Centrifugal casting process suitable for tin bronze alloy material |
-
2018
- 2018-10-22 CN CN201811231726.0A patent/CN109207789A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696476A (en) * | 2009-10-14 | 2010-04-21 | 苏州有色金属研究院有限公司 | Corrosion-resistant multicomponent aluminum-bronze alloy material |
| CN103589900A (en) * | 2013-10-23 | 2014-02-19 | 株洲联诚集团有限责任公司 | Wear-resistant copper alloy material and casting method thereof |
| CN104294080A (en) * | 2014-09-18 | 2015-01-21 | 贝原合金（苏州）有限公司 | Wear-resistant copper alloy formula and preparation method thereof |
| CN104475696A (en) * | 2014-12-19 | 2015-04-01 | 中国南方航空工业(集团)有限公司 | Centrifugal casting process suitable for tin bronze alloy material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496215A (en) * | 2020-06-12 | 2020-08-07 | 浙江灿根智能科技有限公司 | Centrifugal casting die and manufacturing process of double-flange pipe fitting |
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