US1014749A - Coating with metal. - Google Patents
Coating with metal. Download PDFInfo
- Publication number
- US1014749A US1014749A US55294010A US1910552940A US1014749A US 1014749 A US1014749 A US 1014749A US 55294010 A US55294010 A US 55294010A US 1910552940 A US1910552940 A US 1910552940A US 1014749 A US1014749 A US 1014749A
- Authority
- US
- United States
- Prior art keywords
- iron
- zinc
- alloy
- coating
- article
- 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
- 239000011248 coating agent Substances 0.000 title description 15
- 238000000576 coating method Methods 0.000 title description 15
- 239000002184 metal Substances 0.000 title description 10
- 229910052751 metal Inorganic materials 0.000 title description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 42
- 229910052742 iron Inorganic materials 0.000 description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 17
- 229910052725 zinc Inorganic materials 0.000 description 17
- 239000011701 zinc Substances 0.000 description 17
- 229910045601 alloy Inorganic materials 0.000 description 16
- 239000000956 alloy Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910000640 Fe alloy Inorganic materials 0.000 description 4
- 229910001297 Zn alloy Inorganic materials 0.000 description 3
- 230000001464 adherent effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
Definitions
- the present invention relates to the art of covering metal or metallic objects with u protective or ornamental costing by melting use of 9. brittle alloy in egrenulsr condition wherein the article or object to be coated maybe heated. to receive its covering.
- My invention also adosce's the product thereby produced.
- the motel to be coated say on iron or steel artiole, is suitably cleaned, by" send blasting endpickling", or the like, endthen is brought into contact with a zinc alloy, end hosted until it tubes on a protective coating or covspecificutiou of Letters Patent.
- the alloy may be regirded as a saturated so-- In neking up this lution of iron in zinc. alloy, .itis not necessary to start with pure iron and pure zinc, but, on the contrary, it is possible to start with the zinc-iron allo or dross above referred to as the by-pro uct of hot galvanizing, adding sufficient iron to the fused alloy to bring the proportions up tosbout the. relation FeZn When madefrom' dross as a. basis, the FeZn alloy is relatively cheap- Aftercooling, this, zinc alloy, FeZn is very brittle, and can be crushed Without diiiiculty, and ground into a granularcondition.
- the zinc-iron alloy in granular form is applied to the surface of the article, and is there submitted to the action of heat until an adherent coating results.
- This operation may be efiected by placing the article in a closed. drum or re ceptacle, together with a quantity of the granular FeZn mid then heating to a. mod crate temperature. The air need not be totally excluded from the drum during this heating operation.
- the drum can be r0- tutcd to maintain intimate contact between the granular alloy and the iron article. and the temperature and duration of heating can be suitably regulated to govern the thickness of the coating. Heating fortwo hours and to a maximum temperature of about dull red, (700 to 800. deg. F.) gives good results.
- This temperature is well below the ular zinc-iron alloy of about the composition Width a protective layer, which consists in gill-restin the article at about dull red While with a protective layer 0 FeZn i ,TLThe processof coating an iron article m contact with FeZn 8.
- Theprocess of coating a metal article zinc-iron alloy which consists in heating the article to about dull red, while in contact with a zinc-iron reducing said alloyto granular condition, applying said granular- 1 materiaLtoan' iron surface, and submitting the-same to the action of heat to produce a u-u'nifo'rm adherent coating.
- the product produced as herein described and coinprisiii an iron article having an electropositive coating which throughout is of about the composition FeZn said coating having a soft, silver color to the naked" eye, and a single-potential of about 0.23 volts.
- a metallic object produced as herein described, and having a surface coating of zinc-iron alloy of about the compesition FeZn this coatin being characterized by a silver color, reedoin from crystalline structure when examined by the naked eye. a single potential lower than that of pure zinc, and a hardness somewhat greater than that ofpure zinc.
- VROMAN MAMN VROMAN MAMN
- IRMA WISWALL VROMAN MAMN
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
' which the molten zinc is ordinarily held. The alloy so i'orined is commonly known so 'Mzidison; count I of Dane State of Wisconspect to the iron or steel, end in many re- UNITED iisirnu'r OFFICE. I
CHARLES E BUIRGESQ, 0E MADISON, Wl 'i'SCQNFIN, AhSIGNOR TO UNITED STATES 'SHERABDIZING GOMPANY, 0F blEi/V CASTLE, PENNSYLVANIA, A GORPORATIQN OF NEW JETd-SEY.
1,014.,7d9. licllrawiug.
To all whom it may concern Be it known that l, (Jr-muons ll. Become, a. citizen of the United States, residing at sin,'l1uve invented certain new and useful Improvements in (looting with Motel, of which the following is a specitic'etion.
- The present invention relates to the art of covering metal or metallic objects with u protective or ornamental costing by melting use of 9. brittle alloy in egrenulsr condition wherein the article or object to be coated maybe heated. to receive its covering.
More particularly, it relates to the ertl of costing iron or steel with, a homogeneous end uniform covering, electro-positive with re-' spects diilerent from the zinc costing commonly used... I
My invention also embrece's the product thereby produced.
It is common practice in the art of costing metals to dip on iron object or article, after suitable cleaning, into a both of fused zinc, thereby producing on the surface of the iron cowering capable of, reiterating it from corrosion. This process as some disndvan toges or limitations, such, for exomple, us the deli er that the high tenipereture i'uey injure the iron or steel article during the coating operation, as by drawing the temper, and the difliculty of controlling the thickness and crystalline structure of the coating produced. Furthermore, the proc ass is expensive, not only because of the initial cost of the installation end of the fused bath of pure zinc, but also because of deterioration of the zinc bath. l" has been found that the molten zinc alloys with iron or steel objects dipped therein, and also alloys with the iron tank or receptacle in dross, and sinks to the bottom of the tank, from whence it must be removed from time to tim. This alloy enelyzes shoot 97% zinc, and 3% iron, and is sold at o comparatively low price as a. byproduct of the bot gslvon-l icing process.
iiccording to the present invention, the motel to be coated, say on iron or steel artiole, is suitably cleaned, by" send blasting endpickling", or the like, endthen is brought into contact with a zinc alloy, end hosted until it tubes on a protective coating or covspecificutiou of Letters Patent.
Application filed April 2, 1
CQATINQ WE'RE ihlTi-ilh.
Patented Jan. 16,1912.
w. Serial Ito. 553,940.
the alloy may be regirded as a saturated so-- In neking up this lution of iron in zinc. alloy, .itis not necessary to start with pure iron and pure zinc, but, on the contrary, it is possible to start with the zinc-iron allo or dross above referred to as the by-pro uct of hot galvanizing, adding sufficient iron to the fused alloy to bring the proportions up tosbout the. relation FeZn When madefrom' dross as a. basis, the FeZn alloy is relatively cheap- Aftercooling, this, zinc alloy, FeZn is very brittle, and can be crushed Without diiiiculty, and ground into a granularcondition. This brittleness is attributable to the presence of the Fezn -compound in such qusnity that its tendency to crumble or brook up will preponderate over the strengthening action of a residual uncombined zinc. With the alloy or compound FeZn the brittleness seems to be due to the extremely crystalline character of the materiel end to the pronounced development of cleavage planes and areas of mechanical weakness, this being so pronounced that the material produced as above described is so brittle that very often it may be crumbled into granular condition merely by pressure of the fingers. It need not be ground fine.
To cost it metal article, the zinc-iron alloy in granular form is applied to the surface of the article, and is there submitted to the action of heat until an adherent coating results. This operation may be efiected by placing the article in a closed. drum or re ceptacle, together with a quantity of the granular FeZn mid then heating to a. mod crate temperature. The air need not be totally excluded from the drum during this heating operation. The drum can be r0- tutcd to maintain intimate contact between the granular alloy and the iron article. and the temperature and duration of heating can be suitably regulated to govern the thickness of the coating. Heating fortwo hours and to a maximum temperature of about dull red, (700 to 800. deg. F.) gives good results. This temperature is well below the ular zinc-iron alloy of about the composition Width a protective layer, which consists in gill-restin the article at about dull red While with a protective layer 0 FeZn i ,TLThe processof coating an iron article m contact with FeZn 8. Theprocess of coating a metal article zinc-iron alloy which consists in heating the article to about dull red, while in contact with a zinc-iron reducing said alloyto granular condition, applying said granular- 1 materiaLtoan' iron surface, and submitting the-same to the action of heat to produce a u-u'nifo'rm adherent coating.
'10. The process of coating an iron article with a protective covering containing zinc,
';which consists in'adding iron to zinc-dross to form an alloy which ,is brittle, applying said brittle alloy in subdivided condition to the article tobe coated, and submitting the same to heat-..
11.- The process of coating an article with I a protective covering containing zinc and iron, which consists in adding metal to zincdross to form a material which is brittle, applying said brittle material in subdivided condition to'the article to be coated, and submitting the slime to heat. a
12. The product produced as herein described and coinprisiii an iron article having an electropositive coating which throughout is of about the composition FeZn said coating having a soft, silver color to the naked" eye, and a single-potential of about 0.23 volts. 13. Asa new product, a metallic object produced as herein described, and having a surface coating of zinc-iron alloy of about the compesition FeZn this coatin being characterized by a silver color, reedoin from crystalline structure when examined by the naked eye. a single potential lower than that of pure zinc, and a hardness somewhat greater than that ofpure zinc.
14. As a new roduct an. iron article coated as herein escribed with a homogeneous adherent covering consisting mainly of zinc, said covering having at its exposed surface a single potential less than that of zinc and havin a freedom from crystalline structure when examined by the naked eye. 9
v 15. The-process of coating a metal article which consists in applying thereto brittle alloy in granulancondition, saidalloy containing zinc and iron, and submitting the same to the action of heat. I
. 16. The process'of coating a metal which forms with zinc a brittle alloy reducible to ranular condition, said process consisting 1n applying to said metal said granular alloy, and submitting the same to the action of heat until the metal takes on a covering of said alloy,
CHARLES F. BURGESS. WVitnesses:
VROMAN MAMN, IRMA WISWALL.
In witness whereof, Ihave hereunto set my hand this 29th day of March. A. D. 1910.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55294010A US1014749A (en) | 1910-04-02 | 1910-04-02 | Coating with metal. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55294010A US1014749A (en) | 1910-04-02 | 1910-04-02 | Coating with metal. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1014749A true US1014749A (en) | 1912-01-16 |
Family
ID=3083055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US55294010A Expired - Lifetime US1014749A (en) | 1910-04-02 | 1910-04-02 | Coating with metal. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1014749A (en) |
-
1910
- 1910-04-02 US US55294010A patent/US1014749A/en not_active Expired - Lifetime
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