US2208186A - Veneer plate of aluminum alloy - Google Patents
Veneer plate of aluminum alloy Download PDFInfo
- Publication number
- US2208186A US2208186A US214810A US21481038A US2208186A US 2208186 A US2208186 A US 2208186A US 214810 A US214810 A US 214810A US 21481038 A US21481038 A US 21481038A US 2208186 A US2208186 A US 2208186A
- Authority
- US
- United States
- Prior art keywords
- aluminum alloy
- aluminum
- plate
- veneer plate
- zinc
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE
- C09F5/00—Obtaining drying-oils
- C09F5/06—Obtaining drying-oils by dehydration of hydroxylated fatty acids or oils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/016—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
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- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
-
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/933—Sacrificial component
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/12764—Next to Al-base component
Definitions
- This invention relates to an improved, veneer plate which consists of an inner plate of aluminum alloy containing zinc and having very high tensile strength and an outer plate, covering each side of the inner plate, of aluminum alloyy containing 0.54% of zinc and 0.l-1%- of chromium.
- the object of this invention is to obtain a perfectiy noncorrodible aluminum veneer plate by means of an increased electric solution pressure of the outer plates, compared with that of known coating materials.
- A. plate or 1 mm, in thickness made of a known coating material and the other made of this new coating material were soaked in 3% salt water and were examined as to their electric solution pressure, with the result thattheir electric solution pressures were 0.8504 volt and 0.9838 volt, respectively, and it is clear from the above test that the electric solution pressure of the new" material is much larger than that of the known aluminum alloys having high tensile strength like E alloys and Sanders alloys, as'they are generally in the neighbourhood of 0.92..
- test pieces of a known coating material w and this new material were subjected to proper heat treatment before the test, and they were cut into two pieces making them four in all.
- One set of cut pieces of the two materials was soaked in 6% salt water mixed with 10% in volume of 3% oxygenated water for two days, 5 and the other set of the cut pieces was left exposed to the air.
- the result of the test of these two sets of test pieces as to their strength and elongation are given in the following table.
- the veeneer plate of the present invention is peculiarly well suited as a material for aircraft construction and the like.
- an intermediate alloy consisting of aluminum and chromium should first be prepared, and this alloy should be added to molten aluminum or aluminum alloy, to which zinc is further added. Then, the ingot of this alloy. should be rolled into a plate of required thickuess. which is used for coating an inner plate thereby producing a non-corridible veneer plate, the aimof this invention.
- a duplex metal plate comprising an intermedi- 1 ate layer composed of an aluminum base alloy containing a high percentage of zinc and having a high solution pressure, said inner layer being provided with coating plates composed of 0.5 to 4% zinc and 0.1 to 1% chromium, the balance Y frssuurosnssnr, snmnrcmi measure.
Description
J y 16, 0' 1. IGARASHI El AL 8, 8
VENEER PLATE OF ALUMINUM ALLOY Filed June 20, 1938 l nvenf rs v 1 Hgas' jo Hff'o wey PatentedJu ly 16,1940
arouse vemisa rum; or summon ALLOY 1...... Igarashi, Fuse, and Shinkichi Higashio, Domyoji-Mura, Japan, assignors-to Sumltomo J v I Kinsoku-Kogyo Kabushiki Kalsha, Konohana- Ku, Osaka, Japan Application June 20, 1938, Serial No. 214,816
In Japan February 1, 1937 1 Claim. (Cl. 29-181) This invention relates to an improved, veneer plate which consists of an inner plate of aluminum alloy containing zinc and having very high tensile strength and an outer plate, covering each side of the inner plate, of aluminum alloyy containing 0.54% of zinc and 0.l-1%- of chromium. The object of this invention is to obtain a perfectiy noncorrodible aluminum veneer plate by means of an increased electric solution pressure of the outer plates, compared with that of known coating materials. v In the figure, i indicates the inner plate,and 2 the outer plates. As -well known, ordinary aluminum alloy 1 plates can be protected from corrosion by coating them with pure aluminum or some aluminum alloys, but some of them containing high percentage of zinc and having high tensile strength, cannot thoroughly be protected from corrosion go by known coating materials especially at a cut edge or the like where the inner plate is exposed to 811"]36031136. thaelectric solution pressure of the coating materials is less than that of the inner plate and these coating materials do not as work satisfactorily. I After a long series of experiments and tests in reference to the eflect of various elements on the electric solution pressure of aluminum, it has been discovered that the addition of zinc and w'chromium in proper amounts greatly increases the electric solution pressure of the aluminumalloy and increases its noncorrosive characteristic, so that an inner plate coated with this new material can be thoroughly protected from corrosion even at a cut edge. This invention accordingly provides the coating material of an aluminum alloy containing 0.54% of'zinc and (ll-1% oi chromium. t
A. plate or 1 mm, in thickness made of a known coating material and the other made of this new coating material were soaked in 3% salt water and were examined as to their electric solution pressure, with the result thattheir electric solution pressures were 0.8504 volt and 0.9838 volt, respectively, and it is clear from the above test that the electric solution pressure of the new" material is much larger than that of the known aluminum alloys having high tensile strength like E alloys and Sanders alloys, as'they are generally in the neighbourhood of 0.92..
A further examination was conducted to determine the non-corrosive characteristic of thesecoating materials inthe following manner: two
= kinds of test pieces of a known coating material w and this new material were subjected to proper heat treatment before the test, and they were cut into two pieces making them four in all. One set of cut pieces of the two materials was soaked in 6% salt water mixed with 10% in volume of 3% oxygenated water for two days, 5 and the other set of the cut pieces was left exposed to the air. The result of the test of these two sets of test pieces as to their strength and elongation are given in the following table.
. being aluminum.
g m New material Tensile Elonga- Tensilc Elongastrcngth tion strength tion 15 V KaJmmJ Per cent Kip/nun. Per 02M Before corrosion l5. 5 22. 0 l 9. 3 9 Aitercorrosion 15.5 213 9.3 26.0 Percent decrease due to v corrosion 0 7.1 0 2.6
terial can be well protected from corrosion due to the large electric solution pressure and the noncorrodible characteristic of the coating material, so that the veeneer plate of the present invention is peculiarly well suited as a material for aircraft construction and the like.
To manufacture the coating material of this invention, an intermediate alloy consisting of aluminum and chromium should first be prepared, and this alloy should be added to molten aluminum or aluminum alloy, to which zinc is further added. Then, the ingot of this alloy. should be rolled into a plate of required thickuess. which is used for coating an inner plate thereby producing a non-corridible veneer plate, the aimof this invention. I
What we claim is:
A duplex metal plate comprising an intermedi- 1 ate layer composed of an aluminum base alloy containing a high percentage of zinc and having a high solution pressure, said inner layer being provided with coating plates composed of 0.5 to 4% zinc and 0.1 to 1% chromium, the balance Y frssuurosnssnr, snmnrcmi measure. g
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2208186X | 1937-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2208186A true US2208186A (en) | 1940-07-16 |
Family
ID=16757032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US214810A Expired - Lifetime US2208186A (en) | 1937-02-01 | 1938-06-20 | Veneer plate of aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2208186A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2742688A (en) * | 1952-06-18 | 1956-04-24 | Aluminum Co Of America | Duplex aluminous products and articles |
| US3059093A (en) * | 1959-08-10 | 1962-10-16 | Arcos Corp | Welding process and electrode for aluminum |
| US3107159A (en) * | 1956-02-23 | 1963-10-15 | Kaiser Aluminium Chem Corp | Colored anodized aluminum article and alloys therefor |
| US3133796A (en) * | 1961-07-19 | 1964-05-19 | Reynolds Metals Co | Composite aluminum material |
-
1938
- 1938-06-20 US US214810A patent/US2208186A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2742688A (en) * | 1952-06-18 | 1956-04-24 | Aluminum Co Of America | Duplex aluminous products and articles |
| US3107159A (en) * | 1956-02-23 | 1963-10-15 | Kaiser Aluminium Chem Corp | Colored anodized aluminum article and alloys therefor |
| US3059093A (en) * | 1959-08-10 | 1962-10-16 | Arcos Corp | Welding process and electrode for aluminum |
| US3133796A (en) * | 1961-07-19 | 1964-05-19 | Reynolds Metals Co | Composite aluminum material |
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