AT138371B - Corrosion-resistant, mechanically workable copper-zinc alloys. - Google Patents
Corrosion-resistant, mechanically workable copper-zinc alloys.Info
- Publication number
- AT138371B AT138371B AT138371DA AT138371B AT 138371 B AT138371 B AT 138371B AT 138371D A AT138371D A AT 138371DA AT 138371 B AT138371 B AT 138371B
- Authority
- AT
- Austria
- Prior art keywords
- sep
- copper
- corrosion
- alloys
- resistant
- Prior art date
Links
- 229910001297 Zn alloy Inorganic materials 0.000 title description 4
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 title description 4
- 230000007797 corrosion Effects 0.000 title description 4
- 238000005260 corrosion Methods 0.000 title description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 229910017052 cobalt Inorganic materials 0.000 description 11
- 239000010941 cobalt Substances 0.000 description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Description
<Desc/Clms Page number 1>
Korrosionsbeständige, mechanisch bearbeitbare Kupier-Zink-Legierungen.
In der Literatur ist bekannt, dass y-Messmg, das sind Kupfer-Zink-Legierungen mit einem Kupfer- ; shalt von 31-40% Kupfer, also Legierungen, die sich durch einen niedrigen Kupfergehalt auszeichnen,
EMI1.1
mit z. B. 68-72% Kupfer, also grossem Kupfergehalt. Die technische Verwendung der kupferarmen (-Legierungen ist aber deshalb unmöglich, weil diese Legierungen ausserordentlich hart und spröde und ladurch nicht bearbeitbar sind.
Es wurde nun überraschenderweise gefunden, dass durch einen Zusatz von einigen Prozent eines in γ-Messing löslichen Metalls, wie Nickel oder vorteilhafter Kobalt, wobei die Menge des Zusatzmetalls nnerhalb der Löslichkeitsgrenze in-Messing ist, zweckmässig durch einen gleichzeitigen Zusatz von Nickel und Kobalt Legierungen erhalten werden, welche die gute Korrosionsfestigkeit der γ-Legierungen mfweisen, sich aber als mechanisch gut verarbeitbar erweisen.
Zweckmässig sind Legierungen, bei welchen das Zusatzmetall in einer Menge unterhalb 10% mgesetzt. wird, also z. B. Legierungen mit unterhalb 10% Kobaltgehalt bzw. unterhalb 10% Kobaltmd Nickelgehalt. Durch die gleichzeitige Verwendung von Kobalt und Nickel kann man mit erheblich geringerem Kobaltgehalt die gleichen Wirkungen erzielen als bei alleiniger Verwendung von Kobalt.
Die Legierungen gemäss der Erfindung zeichnen sich auch durch eine grosse Widerstandsfähigkeit egen Erosion aus. 0-
Beispiele :
Geeignete Legierungen gemäss der Erfindung haben z. B. folgende Zusammensetzung :
EMI1.2
<tb>
<tb> 1. <SEP> 38-33 <SEP> Gewichtsprozente <SEP> Kupfer
<tb> 3-8 <SEP> " <SEP> Kobalt
<tb> Rest <SEP> " <SEP> Zink.
<tb> 2. <SEP> 38-32 <SEP> " <SEP> Kupfer
<tb> 4-9 <SEP> " <SEP> Nickel
<tb> Rest <SEP> " <SEP> Zink.
<tb>
3. <SEP> 3833"Kupfer
<tb> 1-6 <SEP> " <SEP> Kobalt
<tb> zirka <SEP> 4 <SEP> je <SEP> Nickel
<tb> Rest <SEP> " <SEP> Zink.
<tb>
PATENT-ANSPRÜCHE : 1. Korrosionsbeständige, mechanisch bearbeitbare Kupfer-Zink-Legierungen, dadurch gekennzeichnet, dass sie im wesentlichen aus j-Messing mit einem Zusatz eines in y-Messing löslichen Metalls, wie Kobalt oder Nickel oder Kobalt und Nickel, in einer innerhalb der Löslichkeitsgrenze in y-Messing liegenden Menge bestehen.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Corrosion-resistant, mechanically workable copper zinc alloys.
In the literature it is known that y-Messmg are copper-zinc alloys with a copper; It contains 31-40% copper, i.e. alloys that are characterized by a low copper content,
EMI1.1
with z. B. 68-72% copper, so high copper content. The technical use of the low-copper alloys is impossible because these alloys are extremely hard and brittle and therefore cannot be machined.
It has now been found, surprisingly, that by adding a few percent of a metal soluble in γ-brass, such as nickel or, advantageously, cobalt, the amount of the additional metal being within the solubility limit in brass, expediently by adding nickel and cobalt at the same time Alloys are obtained which have the good corrosion resistance of the γ-alloys, but which prove to be easily processable mechanically.
It is useful to use alloys in which the amount of additional metal used is below 10%. is, so z. B. alloys with below 10% cobalt content or below 10% cobalt and nickel content. By using cobalt and nickel at the same time, the same effects can be achieved with a considerably lower cobalt content than when using cobalt alone.
The alloys according to the invention are also distinguished by a high resistance to erosion. 0-
Examples:
Suitable alloys according to the invention have e.g. B. the following composition:
EMI1.2
<tb>
<tb> 1. <SEP> 38-33 <SEP> Percentage by weight <SEP> copper
<tb> 3-8 <SEP> "<SEP> cobalt
<tb> remainder <SEP> "<SEP> zinc.
<tb> 2. <SEP> 38-32 <SEP> "<SEP> copper
<tb> 4-9 <SEP> "<SEP> nickel
<tb> remainder <SEP> "<SEP> zinc.
<tb>
3. <SEP> 3833 "copper
<tb> 1-6 <SEP> "<SEP> cobalt
<tb> about <SEP> 4 <SEP> each <SEP> nickel
<tb> remainder <SEP> "<SEP> zinc.
<tb>
PATENT CLAIMS: 1. Corrosion-resistant, mechanically workable copper-zinc alloys, characterized in that they are essentially made of j-brass with an addition of a metal soluble in y-brass, such as cobalt or nickel or cobalt and nickel, in one inside the solubility limit in y-brass exist.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT138371T | 1932-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT138371B true AT138371B (en) | 1934-07-25 |
Family
ID=3640166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT138371D AT138371B (en) | 1932-07-08 | 1932-07-08 | Corrosion-resistant, mechanically workable copper-zinc alloys. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT138371B (en) |
-
1932
- 1932-07-08 AT AT138371D patent/AT138371B/en active
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