US1941368A - Nickel alloys - Google Patents

Nickel alloys Download PDF

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Publication number
US1941368A
US1941368A US582659A US58265931A US1941368A US 1941368 A US1941368 A US 1941368A US 582659 A US582659 A US 582659A US 58265931 A US58265931 A US 58265931A US 1941368 A US1941368 A US 1941368A
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Prior art keywords
nickel
beryllium
magnesium
manganese
alloy
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US582659A
Inventor
Smith Joseph Kent
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Beryllium Corp
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Beryllium Corp
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Publication date
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Priority to US582659A priority Critical patent/US1941368A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent

Definitions

  • the invention relates to alloys predominant in nickel, the object of the invention being the forming of metallic materials greater in strength than ordinary nickel, and possessing other desirable 8 mechanical properties, and also subject to further improvement by heat treatment.
  • the elements added to nickel to form this improved alloy are beryllium, with manganese and/or magnesium.
  • the beryllium added by my 10 invention does not generally exceed 2% of the total, while the magnesium and/or -manganese are also never in'excess of 2% in total.
  • the nickel content of the alloys of this series is at all times 96% or greater, making a relatively l5 inexpensive metal, and the known advantages of beryllium addition are here obtained without the usual larger quantities required as a consequence of the use of the cheaper manganese and magnesium.
  • the cheaper manganese and magnesium Preferably, but not necessarily, the
  • beryllium content of the alloys is kept greater than that of the other metal or metals.
  • the alloying of the metals presents little dimculty, since the concentrated nickel-beryllium alloy used and the other metals in question are readily soluble in nickel and, therefore, their addition to molten nickel is quite simple.
  • a thin layer of fused salt may be held on the surface of the metal until alloying is complete.
  • a master alloy with the desired proportion of beryllium, manganese and magnesium, but with a much lower percentage of nickel than the final alloy, should be used as the addition material to fused nickel.
  • the resulting alloy may be heat treated efiectively by heating to approximately 1100" 0., drawing, and then reheating to say 300 *800 C. Such heat treatment adds significantly to the hardness and strength of the alloy.

Description

Patented Dec. 26, 1933 PATENT OFFICE NICKEL ALLOYS Joseph Kent Smith, Detroit, Mich., assignor to The Beryllium Corporation, New York, N. Y., a corporation of Delaware 'No Drawing. Application December 22, 1931, 'Serial' No. 582,659. Renewed September 1,
2 Claims.
The invention relates to alloys predominant in nickel, the object of the invention being the forming of metallic materials greater in strength than ordinary nickel, and possessing other desirable 8 mechanical properties, and also subject to further improvement by heat treatment.
The elements added to nickel to form this improved alloy are beryllium, with manganese and/or magnesium. The beryllium added by my 10 invention does not generally exceed 2% of the total, while the magnesium and/or -manganese are also never in'excess of 2% in total. Thus, the nickel content of the alloys of this series is at all times 96% or greater, making a relatively l5 inexpensive metal, and the known advantages of beryllium addition are here obtained without the usual larger quantities required as a consequence of the use of the cheaper manganese and magnesium. Preferably, but not necessarily, the
beryllium content of the alloys is kept greater than that of the other metal or metals.
The alloying of the metals presents little dimculty, since the concentrated nickel-beryllium alloy used and the other metals in question are readily soluble in nickel and, therefore, their addition to molten nickel is quite simple.
To prevent oxidation of the beryllium and magnesium a thin layer of fused salt may be held on the surface of the metal until alloying is complete. A master alloy, with the desired proportion of beryllium, manganese and magnesium, but with a much lower percentage of nickel than the final alloy, should be used as the addition material to fused nickel.
The resulting alloy may be heat treated efiectively by heating to approximately 1100" 0., drawing, and then reheating to say 300 *800 C. Such heat treatment adds significantly to the hardness and strength of the alloy.
I claim:
, 1. An alloy comprising nickel,
approximately 96%, and the balanceberyllium, manganese and magnesium, with the beryllium not in excess of 2% and the magnesium and manganese each not in excess of 1% of the total.
a 2. An alloy comprising nickel, approximately 15 96%, with the balance beryllium, manganese and magnesium, with the beryllium content greater than that of the manganese and magnesium combined but not in excess of 2% of the total.
JOSEPH KENT SMITH.
US582659A 1931-12-22 1931-12-22 Nickel alloys Expired - Lifetime US1941368A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519495A (en) * 1947-01-11 1950-08-22 Bell Telephone Labor Inc Magnetostrictive core and method of making it
US3287110A (en) * 1962-05-09 1966-11-22 Beryllium Corp Non-ferrous alloy and method of manufacture thereof
US3343949A (en) * 1965-03-01 1967-09-26 Brush Beryllium Co Nickel-beryllium alloy and method of heat treating same
US3645799A (en) * 1967-05-29 1972-02-29 Comp Generale Electricite Method of activating nickel-based catalysts
US20030098100A1 (en) * 1999-09-01 2003-05-29 Amitava Guha Dies for die casting aluminum and other metals

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519495A (en) * 1947-01-11 1950-08-22 Bell Telephone Labor Inc Magnetostrictive core and method of making it
US3287110A (en) * 1962-05-09 1966-11-22 Beryllium Corp Non-ferrous alloy and method of manufacture thereof
US3343949A (en) * 1965-03-01 1967-09-26 Brush Beryllium Co Nickel-beryllium alloy and method of heat treating same
US3645799A (en) * 1967-05-29 1972-02-29 Comp Generale Electricite Method of activating nickel-based catalysts
US20030098100A1 (en) * 1999-09-01 2003-05-29 Amitava Guha Dies for die casting aluminum and other metals

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