US1921417A - Alloy - Google Patents

Alloy Download PDF

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Publication number
US1921417A
US1921417A US672469A US67246933A US1921417A US 1921417 A US1921417 A US 1921417A US 672469 A US672469 A US 672469A US 67246933 A US67246933 A US 67246933A US 1921417 A US1921417 A US 1921417A
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US
United States
Prior art keywords
ranging
alloy
alloys
copper
new
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Expired - Lifetime
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US672469A
Inventor
Robert H Leach
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.)
Handy and Harman
Original Assignee
Handy and Harman
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.)
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Publication date
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Priority to US672469A priority Critical patent/US1921417A/en
Application granted granted Critical
Publication of US1921417A publication Critical patent/US1921417A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/302—Cu as the principal constituent

Definitions

  • Thisinvention relates to alloys used for brazing and welding purposes and is concerned more particularly with a novel quaternary alloy which has relatively low melting and flow points and can 5 be used with great facility for the production of joints of excellent tensile strength, as, for example, between objects of copper and brass.
  • the new alloy consists of silver ranging from about 5% to about zinc from about 5% to 10 about copper from about 55% to about 80%, and phosphorus from about 2% to about 5%.
  • Typical examples of the new alloy may have approximately the following percentages:
  • alloys within the rangesmentioned have closely similar melting points, as, for instance, the
  • Example No. 1 has a melting point of 1190 F. and the alloy of Example No. 3 has a melting point of 1130 F.
  • the thermal properties of the new alloys permit their use in the uniting of objects at lower temperatures than are possible with similar alloys heretofore used for the purpose and the physical properties of the new alloys and of the joints made therefrom are highly satisfactory for many uses. While the joints produced with the new alloys are not as strong as those produced by means of the alloy of silver, copper and phosphorus disclosed in my Patent No. 1,829,903, issued November 3, 1931, the new alloys may be produced in forms having somewhat lower melting points than the patented alloy, and the joints have strength and ductility which are entirely suificient for awide range of uses.
  • An alloy which consists of silver ranging from about 5% to about 20%, copper'ranging from about 55% to about zinc ranging from about 5% to about 25%, and phosphorus ranging from about 2% to about 5%.
  • An alloy which consiststof silver ranging 80 from about 5% to about 10%, copper ranging from about 60% to about 80%, zinc ranging from about 5% to about 25%, and phosphorus ranging from about 2% to about 5%.
  • An alloy which consists of silver ranging from about 10% to..about 15%, copper ranging from about 60% to about 80%, zinc ranging from about 5% to about 25%, and phosphorus ranging from about 3% to about 5%.
  • An alloy which consists of silver ranging from about 15%. to about 20%, copper ranging from about 55% to about 75%, zinc ranging from about 5% to about 22%, and phosphorus ranging from about 3% to about 5%.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conductive Materials (AREA)

Description

Patented Aug. 8, 1933 PATENT OFFICE ALLOY Robert H. Leach, Fairfield, Conn., assignor to Handy & Harman, New York, N. Y., a Corporation of New York No Drawing. Application May 23, 1933 Serial No. 672,469
4 Claims.
Thisinvention relates to alloys used for brazing and welding purposes and is concerned more particularly with a novel quaternary alloy which has relatively low melting and flow points and can 5 be used with great facility for the production of joints of excellent tensile strength, as, for example, between objects of copper and brass.
The new alloy consists of silver ranging from about 5% to about zinc from about 5% to 10 about copper from about 55% to about 80%, and phosphorus from about 2% to about 5%. Typical examples of the new alloy may have approximately the following percentages:
These and other alloys within the ranges mentioned offer the advantages of having melting points which are substantially lower than those of the alloys commonly known as silver solders" and the new alloys have such physical properties that they can be hot worked into forms which are convenient for use. When the new alloys are used in uniting objects of copper, it is found that strong ductile joints can be made without flux.
The alloys within the rangesmentioned have closely similar melting points, as, for instance, the
alloy given in Example No. 1 has a melting point of 1190 F. and the alloy of Example No. 3 has a melting point of 1130 F. The thermal properties of the new alloys permit their use in the uniting of objects at lower temperatures than are possible with similar alloys heretofore used for the purpose and the physical properties of the new alloys and of the joints made therefrom are highly satisfactory for many uses. While the joints produced with the new alloys are not as strong as those produced by means of the alloy of silver, copper and phosphorus disclosed in my Patent No. 1,829,903, issued November 3, 1931, the new alloys may be produced in forms having somewhat lower melting points than the patented alloy, and the joints have strength and ductility which are entirely suificient for awide range of uses.
What I claim is:
1. An alloy which consists of silver ranging from about 5% to about 20%, copper'ranging from about 55% to about zinc ranging from about 5% to about 25%, and phosphorus ranging from about 2% to about 5%.
2. An alloy which consiststof silver ranging 80 from about 5% to about 10%, copper ranging from about 60% to about 80%, zinc ranging from about 5% to about 25%, and phosphorus ranging from about 2% to about 5%.
3. An alloy which consists of silver ranging from about 10% to..about 15%, copper ranging from about 60% to about 80%, zinc ranging from about 5% to about 25%, and phosphorus ranging from about 3% to about 5%.
4. An alloy which consists of silver ranging from about 15%. to about 20%, copper ranging from about 55% to about 75%, zinc ranging from about 5% to about 22%, and phosphorus ranging from about 3% to about 5%.
ROBERT H. LEACH.
US672469A 1933-05-23 1933-05-23 Alloy Expired - Lifetime US1921417A (en)

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US672469A US1921417A (en) 1933-05-23 1933-05-23 Alloy

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5360591A (en) * 1993-05-17 1994-11-01 Kohler Co. Reduced lead bismuth yellow brass
US5653827A (en) * 1995-06-06 1997-08-05 Starline Mfg. Co., Inc. Brass alloys
US5879477A (en) * 1993-05-17 1999-03-09 Kohler Co. Reduced lead bismuth yellow brass
US20140030139A1 (en) * 2012-07-30 2014-01-30 Alcoma Metal Co., Ltd. Cu-P-Ag-Zn BRAZING ALLOY

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5360591A (en) * 1993-05-17 1994-11-01 Kohler Co. Reduced lead bismuth yellow brass
US5879477A (en) * 1993-05-17 1999-03-09 Kohler Co. Reduced lead bismuth yellow brass
US5653827A (en) * 1995-06-06 1997-08-05 Starline Mfg. Co., Inc. Brass alloys
US20140030139A1 (en) * 2012-07-30 2014-01-30 Alcoma Metal Co., Ltd. Cu-P-Ag-Zn BRAZING ALLOY

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