US422119A - Process of carburizing malleable cast-iron or low-carbon steel - Google Patents
Process of carburizing malleable cast-iron or low-carbon steel Download PDFInfo
- Publication number
- US422119A US422119A US422119DA US422119A US 422119 A US422119 A US 422119A US 422119D A US422119D A US 422119DA US 422119 A US422119 A US 422119A
- Authority
- US
- United States
- Prior art keywords
- iron
- low
- carbon steel
- carburizing
- malleable cast
- 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
- 229910001209 Low-carbon steel Inorganic materials 0.000 title description 5
- 229910001296 Malleable iron Inorganic materials 0.000 title description 5
- 238000000034 method Methods 0.000 title description 5
- 238000005255 carburizing Methods 0.000 title description 2
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 235000013336 milk Nutrition 0.000 description 6
- 239000008267 milk Substances 0.000 description 6
- 210000004080 milk Anatomy 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 235000020186 condensed milk Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
Definitions
- MARTIN F OOOMES AND ARUNAH 'W. HYDE, OF LOUISVILLE, KENTUCKY.
- Our invention relates to the manufacture of steel; and its object is to effect a cheap and rapid carburization of malleable cast-iron or of low-carbon steel by the use of certain carbon compounds which are readily decomposed by contact with the heated metal to be carburized, whereby the carbon is set free and unites with the metal, thus converting the malleable cast-iron into steel or the low-carbon steel into high-carbon steel.
- any kind of milk, or its equivalent condensed milk may be used, and in any desired quantity to supply the requisite carbon,'a deficiency or surplus of carbon affecting the extent and economy but not the completeness of the carburization.
- a quantity insufficient to carburize the whole mass will case-harden'it, if case-hardening is desired; or the metal may be reheated and the process repeated.
- the milk may be mixed with water, and the following bath we find by experiment gives excellent resultsnamely, milk or condensed milk, one pound; water, one gallon.
- the bath may be heated to any extent short of decomposing it before placing the heated metal in it.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Description
UNITED STATES PATENT OFFICE.
MARTIN F. OOOMES AND ARUNAH 'W. HYDE, OF LOUISVILLE, KENTUCKY.
PROCESS OF CARBURIZING MALLEABLE CAST-IRON 0R LOW-CARBON STEEL.
SPECIFICATION forming part of Letters'Patent No. 422,119, dated February 25, 1890. Application filed May 29, 1889- Serial No. 312,566. (Specimena) To all whom it may concern:
Be it known that we, MARTIN F. OOOMES and ARUNAH W. HYDE, citizens of the United States, residing at Louisville, in the county of J elterson and State of Kentucky, have invented certain new and useful Improvements in the Process of Oarburizing Malleable Cast- Iron or Low-Carbon Steel; and we .do declare the following to be a full, clear, and exact description of the invention, such as willenable others skilled in the art to which it appertains to make and use the same.
Our invention relates to the manufacture of steel; and its object is to effect a cheap and rapid carburization of malleable cast-iron or of low-carbon steel by the use of certain carbon compounds which are readily decomposed by contact with the heated metal to be carburized, whereby the carbon is set free and unites with the metal, thus converting the malleable cast-iron into steel or the low-carbon steel into high-carbon steel.
1 To carry our invention into effect we employ a bath composed of milk in any quantity, in which is placed the metal raised to a white heat, where it is allowed to remain while cooling. The heat from the metal decomposes the sugar and other carbonaceous compounds contained in the milk, and the carbon thus set free is absorbed by and chemically unites with the metal.
In our process any kind of milk, or its equivalent condensed milk,may be used, and in any desired quantity to supply the requisite carbon,'a deficiency or surplus of carbon affecting the extent and economy but not the completeness of the carburization. A quantity insufficient to carburize the whole mass will case-harden'it, if case-hardening is desired; or the metal may be reheated and the process repeated.
In preparing the bath the milk may be mixed with water, and the following bath we find by experiment gives excellent resultsnamely, milk or condensed milk, one pound; water, one gallon.
If desired, the bath may be heated to any extent short of decomposing it before placing the heated metal in it.
Having fully described our invention, what we claim, and desire to secure by Letters Patent, is-
In the manufacture of steel, the process of carburizing malleable cast-iron or low-carbon steel, which consists in immersing the metal raised to a white heat in milk, substantially as described.
In testimony whereof we affix our signatures in presence of two witnesses.
MARTIN F. COOMES. ARUNAI-I VWIIYDE. Witnesses:
W. E. BUoxEL,
W. 0. PETTY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US422119A true US422119A (en) | 1890-02-25 |
Family
ID=2491036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US422119D Expired - Lifetime US422119A (en) | Process of carburizing malleable cast-iron or low-carbon steel |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US422119A (en) |
-
0
- US US422119D patent/US422119A/en not_active Expired - Lifetime
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