US1630999A - Wrought-metal article - Google Patents
Wrought-metal article Download PDFInfo
- Publication number
- US1630999A US1630999A US84508A US8450826A US1630999A US 1630999 A US1630999 A US 1630999A US 84508 A US84508 A US 84508A US 8450826 A US8450826 A US 8450826A US 1630999 A US1630999 A US 1630999A
- Authority
- US
- United States
- Prior art keywords
- aluminum
- alloy
- tin
- copper
- wrought
- 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 - Lifetime
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
- C22C9/02—Alloys based on copper with tin as the next major constituent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S72/00—Metal deforming
- Y10S72/70—Deforming specified alloys or uncommon metal or bimetallic work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought
Definitions
- Patent d lVlay 31, 1927 Patent d lVlay 31, 1927.
- My invention relatesto an improvement in wrought metal articles and consists of a wrought metal article composed of a eupreous alloy hereinafter described containing" tin and aluminum within certain ranges.
- this alloy has good electrical conductivity, very high strength-exsistance to fatigue and resistance to corro-v SlOn-
- the alloy of the invention was developed by a. series of experiments in which I found that while the aluminum copper alloys had the requisite strength, they were apt to be slivery, diilicult to manufacture, and -were of low electrlcal conductivity.
- the coppertin alloys while having better electrical-conductivity, either could not be hot rolled or became brittle vwhen the -re uisite strength was obtained by cold wor g.
- the im proved alloy of the invention has given the desired results while avoiding the diificulties encountered in the alloys previously used.
- the chief objects of my invention are to provide a. wrought article composed of an alllpg' having these characteristics.
- the alloy used by. me is composed essentially of copper, tin and aluminum. In its preferred form the proportions are 95.5% copper, 2% tin and2.5% aluminum. Such an alloy has'the advantages and characteristics above referred to and can ⁇ be used for the purposes specified. The proportions can be varied somewhat but when 98.5% copper, 1% tin and 0.5% aluminum are used the tensile strength is materiall when 91% copper, 5% tin and 4% aluminum are used the workability is -materially reduced, and in embodying my invention I do not exceed these limits.
- Wire composed of the described alloy is an important embodiment of my invention.
- Such wire is made by the usual methods, such as extruding or hot rolling ingots into rods and cold drawing the rods into wire.
- My wire has a tensile strength of over 100,-
- a cold drawn wire composed of an alloy consisting essentially of copper and .tin
- said metallic wire being composed essentially of- 98.5% to 91% copper, and 1% to 5% aluminum in approximately the proportions copper 95.5%, tin 2%, aluminum 2.5%, the aluminum being in excess of the tin.
Description
Patent d lVlay 31, 1927.
' UNITED STATES PATENT OFFICE.
WILLIAM H. BASSETT, JR, OF SONIA, CONNECTICUT, ASSIGNOR TO THE AMERICAN 'BBASS COMPANY, OF WATEBJ ZURY, CONNECTICUT, A CORPORATION OF CONNECTI- cur. v
WBOUGHT-METAL ARTICLE.
No Drawing.
My invention relatesto an improvement in wrought metal articles and consists of a wrought metal article composed of a eupreous alloy hereinafter described containing" tin and aluminum within certain ranges. have discovered that this alloy has good electrical conductivity, very high strength-exsistance to fatigue and resistance to corro-v SlOn- The alloy of the invention was developed by a. series of experiments in which I found that while the aluminum copper alloys had the requisite strength, they were apt to be slivery, diilicult to manufacture, and -were of low electrlcal conductivity. The coppertin alloys while having better electrical-conductivity, either could not be hot rolled or became brittle vwhen the -re uisite strength was obtained by cold wor g. The im proved alloy of the invention has given the desired results while avoiding the diificulties encountered in the alloys previously used.
' It is comprised chiefly of copper, aluminum a high degree and is not easily attacked byand tin.
I have discovered that an alloy of these metals can be easily hot rolled and for ed and cold rolled or col drawn, and that w en cold drawn has big .ductility so that it can be bent without breaking. It can also be extruded and-hot pressed. It is a good conductor'of electricity and highly resistant to corrosion and of high tensile strength. It also has high resistance to fatigue when wrought. It resists atmospheric corrosion to acids and alkalie's. It does not a 0 so as to become brittle and is of relatively ow manufacturing cost. So far asI know, no alloy Application filed January 28, 1926. Serial No. 84,508.
of these metals has ever been put to any practical useand the alloy specifically set orth has never been known or described before my invention thereof.
The chief objects of my invention are to provide a. wrought article composed of an alllpg' having these characteristics.
vide wrought metal articles which'are particularly adapted for electric railway line material and high strength cables, or cable elements, contact trolley wires, telephone or telegraph wires, electric railway line hardware and the like.
The alloy used by. me is composed essentially of copper, tin and aluminum. In its preferred form the proportions are 95.5% copper, 2% tin and2.5% aluminum. Such an alloy has'the advantages and characteristics above referred to and can\ be used for the purposes specified. The proportions can be varied somewhat but when 98.5% copper, 1% tin and 0.5% aluminum are used the tensile strength is materiall when 91% copper, 5% tin and 4% aluminum are used the workability is -materially reduced, and in embodying my invention I do not exceed these limits.
In producing the alloy I bring the copper to a molten condition at pouring temperature and then introduce the tin and later the aluminum, stirring meanwhile so as to' produce a uniform mlxture. In order to attain the best results, high purity metals should sible. In forming the alloy I keep a layer of charcoal on the surface of the molten material. 1
Wire composed of the described alloy is an important embodiment of my invention.
Such wire is made by the usual methods, such as extruding or hot rolling ingots into rods and cold drawing the rods into wire. My wire has a tensile strength of over 100,-
OOOpounds to the square inch but notwithstanding is of high ductility so that it can be bent around a wire of its own diameter without breakin and will withstand other tests usually app -'ed to ductile'material.
reduced, and
invention also has for its obj ect to probe used and the oxides kept as low as 'poswith aluminum in the proportions copper- As will be evident to those skilled in the art, my invention ermitsof various modifications without eparting from the spirit thereof or the scope of the appended claims.
What I claim is: Q 1. A new wrought metal article composed of an alloy consisting essentially of copper and tin with aluminum, approximately in the proportions copper 95.5%, tin 2%, aluminum 2.5%, thealuminum being in excess of the tin.
2. A cold drawn wire composed of an alloy consisting essentially of copper and .tin
98.5% to 91%, .tin 1% to 5% aluminum of an alloy composed essentially of 98.5% to 91% copper, and 1% to 5% tm, with the'addit'ion of 0.5% to 4% aluminum as a deoxidizing and strengthening agent.
4. A metallic wire'adapted tobe'used in- I dividually or in the construction of cables for use in transmission llnes, messengers,
contact "wires, telephone lines, telegraph lines-guys," cross spans, stays, or. hangers,
said metallic wire being composed essentially of- 98.5% to 91% copper, and 1% to 5% aluminum in approximately the proportions copper 95.5%, tin 2%, aluminum 2.5%, the aluminum being in excess of the tin. In testimony whereof, I have signed m name to this specification this twenty-fift day of January, 1926.
1 WILLIAM H. TBASSETT, in. i
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84508A US1630999A (en) | 1926-01-28 | 1926-01-28 | Wrought-metal article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84508A US1630999A (en) | 1926-01-28 | 1926-01-28 | Wrought-metal article |
Publications (1)
Publication Number | Publication Date |
---|---|
US1630999A true US1630999A (en) | 1927-05-31 |
Family
ID=22185382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US84508A Expired - Lifetime US1630999A (en) | 1926-01-28 | 1926-01-28 | Wrought-metal article |
Country Status (1)
Country | Link |
---|---|
US (1) | US1630999A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4436790A (en) | 1981-04-23 | 1984-03-13 | Vereinigte Deutsch Metallwerke Ag | Gold-colored coin material |
-
1926
- 1926-01-28 US US84508A patent/US1630999A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4436790A (en) | 1981-04-23 | 1984-03-13 | Vereinigte Deutsch Metallwerke Ag | Gold-colored coin material |
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