DE744319C - Use of nickel and tin-free copper alloys for items that require high mechanical quality values - Google Patents

Use of nickel and tin-free copper alloys for items that require high mechanical quality values

Info

Publication number
DE744319C
DE744319C DEF89280D DEF0089280D DE744319C DE 744319 C DE744319 C DE 744319C DE F89280 D DEF89280 D DE F89280D DE F0089280 D DEF0089280 D DE F0089280D DE 744319 C DE744319 C DE 744319C
Authority
DE
Germany
Prior art keywords
nickel
tin
high mechanical
free copper
mechanical quality
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEF89280D
Other languages
German (de)
Inventor
Friedrich Zimmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOHENZOLLERN HUETTENVERWALT
Original Assignee
HOHENZOLLERN HUETTENVERWALT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HOHENZOLLERN HUETTENVERWALT filed Critical HOHENZOLLERN HUETTENVERWALT
Priority to DEF89280D priority Critical patent/DE744319C/en
Application granted granted Critical
Publication of DE744319C publication Critical patent/DE744319C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C22C9/04—Alloys based on copper with zinc as the next major constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)

Description

Verwendung von nickel- und zinnfreien Kupferlegierungen für Gegenstände, die hohe mechanische Gütewerte verlangen Die deutsche metallverarbeitende Industrie steht itn Zuge der Deviseneinsparung und des hiermit verbundenen Werkstoffaustausches vor der Aufgabe, vollständig nickel- und zinnfreie Schwermetallknetlegieru.ngen zu schaffen, die in ihren Festigkeitswerten den bisher gebräuchlichen Legierungen gleichkommen und höchsten Beanspruchungen genügen sollen.Use of nickel- and tin-free copper alloys for objects, who demand high mechanical quality values The German metalworking industry stands in the course of saving foreign currency and the associated exchange of materials before the task, completely nickel- and tin-free heavy metal wrought alloys to create the alloys that have been used up to now in terms of their strength values equal and should meet the highest demands.

Werkstoffe mit ganz hervorragenden Festigkeitswerten, die heute jedoch nur noch in besonderen Fällen zur Anwendung gelangen, sind z. B. die hochnickelhaltigen Legierungen von nachfolgender Zusammensetzung und nachfolgenden Merkmalen: Cu Ni A1 82 % 14,5 % 3 % Streck- Zug- grenze festiikeit Dehnung Brinellhärte kgjm2 k9/mm2 kg/mm2 0110 6o bis 85 8o bis xoo 8 bis 15 2q.o bis 27o Cu Ni Al Fe 7 7 oio 6 °.`o = _ '/o solo Streck- ' " Zug- grenze festigkeit Dehnung Brinellhärte lg/mm= k''mm2 !;ä kg. 'm m= 5o bis 60 75 bis Zoo 5 bis ra 22o bis 240 Das Ziel ist, eine Legierung zu finden, die hervorragende Festigkeitswerte und sonstige .' Güteeigenschaften, wie z. B. hohe Härte, aufweist, ganz gleich in welcher Zusammensetzung und in welchem Herstellungs- und Verarbeitungszustand das Material vorliegt, wobei Metallzusätze, wie 1 i und Sn, ranz vermieden werden und die Legierung 'sich außerdem auf niedrigem Kupfergehalt aufbaut. Eine solche Legierung liegt vor in folgender Zusammensetzung: Cu A1 Fe Mn Zn 6o bis 68 0;'0 6 his 1i 0/0 2 bis 7 11,) 3 bis 7 0/0 Rest (abgesehen von üblichen Verunreinigungen) Die Erfindung besteht demnach in der Verwendung einer derartigen nickel- und zinnfreien Kupferlegierung für die Herstellung von Gegenständen, die hohe mechanische Gütewerte, z. B. hohe Härte und Festigkeit, verlangen. Eine solche Legierung kann also gepreßt, gezogen, geschmiedet oder gegossen werden. Ihre Festigkeitswerte im Normalzustand lauten für den gegossenen und für den warmverformten Zustand: Streck- Zug- grenze festigkeit Dehnung Brinellhärte kg,/mm-' kg'mmz `i ö kg/mm= 65 bis 8o 8o bis iio 8 bis 15 220 Durch Kaltbearbeitung sind je nach dem Verformungsgrad höhere `Verte für Streckgrenze, Zugfestigkeit und Härte zu erreichen. Durch thermische Behandlung ist eine weitere Verbesserung der Eigenschaften in allen Zuständen zu erzielen.Materials with very excellent strength values, which are only used in special cases today, are z. B. the high nickel alloys with the following composition and characteristics: Cu Ni A1 82% 14.5% 3% Stretching tensile limit strength elongation Brinell hardness kgjm2 k 9 / mm2 kg / mm2 011 0 6o to 85 8o to xoo 8 to 15 2q.o to 27o Cu Ni Al Fe 7 7 oio 6 ° .`o = _ '/ o solo Stretching '"tensile limit strength elongation Brinell hardness lg / mm = k``mm2!; ä kg. 'mm = 5o to 60 75 to Zoo 5 to ra 22o to 240 The goal is to find an alloy that has excellent strength values and others. ' Quality properties, such as B. high hardness, regardless of the composition and the manufacturing and processing state of the material, metal additives such as 1 i and Sn, are avoided and the alloy is also based on a low copper content. Such an alloy has the following composition: Cu A1 Fe Mn Zn 6o to 68 0; '0 6 to 1i 0/0 2 to 7 11,) 3 to 7 0/0 remainder (apart from usual Impurities) The invention therefore consists in the use of such a nickel- and tin-free copper alloy for the production of objects that have high mechanical quality values, e.g. B. high hardness and strength, require. Such an alloy can therefore be pressed, drawn, forged or cast. Their strength values in the normal state are for the cast and for the hot-formed state: Stretching tensile limit strength elongation Brinell hardness kg, / mm- 'kg'mmz `i ö kg / mm = 65 to 8o 8o to iio 8 to 15 220 By cold working, depending on the degree of deformation, higher values for yield point, tensile strength and hardness can be achieved. A further improvement of the properties in all conditions can be achieved through thermal treatment.

Claims (2)

PATENTANSPRÜCHE: i. Die Verwendung einer nickel- und zinnfreien Kupferlegierung folgender Zusammensetzung Cu ........... 6o bis 681/, Al ............ 6 - 1100 F e . . . . . . . . . . . 2 - 701, Mn ........... 3 - 70% Zn ........... Rest
für die Herstellung von Gegenständen, die hohe mechanische Gütewerte, z. B. hohe Härte und Festigkeit, verlangen. PATENT CLAIMS: i. The use of a nickel- and tin-free copper alloy of the following composition Cu ........... 6o to 681 /, Al ............ 6-1100 F e. . . . . . . . . . . 2 - 701, Mn ........... 3 - 70% Zn ........... rest
for the production of objects that have high mechanical quality values, e.g. B. high hardness and strength, require. 2. Die Verwendung der Legierung nach Anspruch i für Preß-, Zieh-, Schmiede-und Gußkörper bzw. -teile. Zur Abgrenzung des Annieldungsgegenstandes vom Stand der Technik sind im Erteilungsverfahren folgende Druckschriften in Betracht gezogen worden: deutsche Patentschriften . , . . 1 r. 616 603, 641 139.2. The use of the alloy according to claim i for pressed, drawn, forged and cast bodies or parts. To distinguish the subject of the application from the state of the art, the following publications were taken into account in the granting procedure: German patents. ,. . 1 r. 616 603, 641 139.
DEF89280D 1940-12-29 1940-12-29 Use of nickel and tin-free copper alloys for items that require high mechanical quality values Expired DE744319C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF89280D DE744319C (en) 1940-12-29 1940-12-29 Use of nickel and tin-free copper alloys for items that require high mechanical quality values

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF89280D DE744319C (en) 1940-12-29 1940-12-29 Use of nickel and tin-free copper alloys for items that require high mechanical quality values

Publications (1)

Publication Number Publication Date
DE744319C true DE744319C (en) 1944-01-21

Family

ID=7115253

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF89280D Expired DE744319C (en) 1940-12-29 1940-12-29 Use of nickel and tin-free copper alloys for items that require high mechanical quality values

Country Status (1)

Country Link
DE (1) DE744319C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1184471A2 (en) * 2000-09-02 2002-03-06 Berkenhoff GmbH Alloy, particularly wire for spectacles frame

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE616603C (en) * 1933-04-08 1935-08-01 Patra Patent Treuhand Base and socket for electric light bulbs
DE641139C (en) * 1932-06-17 1937-01-20 Finspongs Metallverks Aktiebol Mold

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE641139C (en) * 1932-06-17 1937-01-20 Finspongs Metallverks Aktiebol Mold
DE616603C (en) * 1933-04-08 1935-08-01 Patra Patent Treuhand Base and socket for electric light bulbs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1184471A2 (en) * 2000-09-02 2002-03-06 Berkenhoff GmbH Alloy, particularly wire for spectacles frame
EP1184471A3 (en) * 2000-09-02 2002-05-22 Berkenhoff GmbH Alloy, particularly wire for spectacles frame

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