US1472851A - Method of cementation of boron into the surface of iron or steel - Google Patents
Method of cementation of boron into the surface of iron or steel Download PDFInfo
- Publication number
- US1472851A US1472851A US508819A US50881921A US1472851A US 1472851 A US1472851 A US 1472851A US 508819 A US508819 A US 508819A US 50881921 A US50881921 A US 50881921A US 1472851 A US1472851 A US 1472851A
- Authority
- US
- United States
- Prior art keywords
- boron
- iron
- steel
- cementation
- furnace
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 42
- 229910052796 boron Inorganic materials 0.000 title description 23
- 229910052742 iron Inorganic materials 0.000 title description 20
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title description 19
- 229910000831 Steel Inorganic materials 0.000 title description 16
- 239000010959 steel Substances 0.000 title description 16
- 238000000034 method Methods 0.000 title description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052810 boron oxide Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 2
- 229910000712 Boron steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000013707 sensory perception of sound Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- C23C8/04—Treatment of selected surface areas, e.g. using masks
-
- 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
- C23C8/60—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 using solids, e.g. powders, pastes
- C23C8/62—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 using solids, e.g. powders, pastes only one element being applied
- C23C8/68—Boronising
- C23C8/70—Boronising of ferrous surfaces
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Definitions
- My invention relates to cementation of boron into any desired surface of iron or steel and has for one object the production of a tough and hard surface on metal which is to be utilized in making articles of excellent quality such as bolt heads, knife blades. razor blades, chiscls or the like.
- a further object of the invention is to minimize the wear and tear of the friction surface of shafts. gear wheels. ball hearings or the like.
- My invention is as follows First, clean the desired surface of iron or steel where boron is to be cemented, and then shield the remaining portion with iron plate or iron powder or clay in order to prevent the action of boron, and place it. within finely powdered ferro-boron, in a closed furnace. Then heat the furnace up to about. 800 or 900 C. in the presence of chlorine gas which is fed continuously into the furnace. whereby boron contained in the ferro-boron enters into the surface of the treated iron or steel, to a certain depth.
- This method can be accomplished likewise on the surface of special metals such as metals containing chromium, silicon. nickel, manganese. tungsten. molybdenum or the like.
- a method for the cementation of boron into the surface of iron or steel comprising, placing the iron or steel within a closed furnace, covering the portion desired to be cemented with a finely powdered boron containing material. shielding the remaining portion with iron plate. iron powder. clay or the like to prevent cementation action of boron, and heating the iron or steel for a considerable period. at from 8tltl-900 (l. in the presence of chlorine gas.
- said boron containing material being ferro-boron.
Description
subject of the Emperor Patented Nov. 6, 1923.
OFFICE.
METHOD OF CEMENTATION OF BORON No Drawing.
To all whom it may concern:
Be it known that I, TAKEO MIYAcUcHI,
of Japan, and resident of Sendagayamachi, 'loyotamagori. 'l'okyofu, Japan, have invented certain new and useful Improvements in the Methods of (ementation of Boron into the Surface of Iron or Steel, of which the following is a specification.
My invention relates to cementation of boron into any desired surface of iron or steel and has for one object the production of a tough and hard surface on metal which is to be utilized in making articles of excellent quality such as bolt heads, knife blades. razor blades, chiscls or the like. A further object of the invention is to minimize the wear and tear of the friction surface of shafts. gear wheels. ball hearings or the like.
It has been hitherto proposed to cement carbon into the surface of iron or steel. which process is usually termed carbon cementation. but, as far as I am aware, there has been no good process for cementat-ion of boron into the surface of iron or steel.
The fact that iron or steel. when combined with boron, becomes tough and hard. has been recently discovered. In order to attain the resulting advantage, it is my invention to convert the desired surface of iron or steel into boron steel for the purpose of making excellent bolt heads or knife edges or the like.
My invention is as follows First, clean the desired surface of iron or steel where boron is to be cemented, and then shield the remaining portion with iron plate or iron powder or clay in order to prevent the action of boron, and place it. within finely powdered ferro-boron, in a closed furnace. Then heat the furnace up to about. 800 or 900 C. in the presence of chlorine gas which is fed continuously into the furnace. whereby boron contained in the ferro-boron enters into the surface of the treated iron or steel, to a certain depth.
To give an example of my tests I fed chlorine which prepared iron was placed, underjua pressure of one to two atmospheres and heated the furnace to about 900 C. After one and one-half hours, iron was obtained on the surface of which boron cementation was effected to a. thickness of about one millimetre.
gas into a furnace within INTO THE SURFACE OF IRON OR STEEL.
Application filed October 19, 1921. Serial No. 508,819.
In this process it is obvious that if desired, a mixture of boron oxide or boron compound and carbon powder may be used in place of ferro-boron.
As to the action of the chlorine gas in this method, it is my belief that chlorine gas combines with boron to form boron chloride gas which comes into contact with the surface of iron or steel being treated. The boron in the boron chloride at a high temperature becomes cemented to the iron or steel, thereby liberating chlorine. It should be noted that. cementat-ion of boron into the surface of iron or steel by diffusion is not so effective as is the present method and that I have succeeded in obtaining the cementation to a depth of one millimetre as above described which extent is notattainable by p eviously known method.
This method can be accomplished likewise on the surface of special metals such as metals containing chromium, silicon. nickel, manganese. tungsten. molybdenum or the like.
\Vhat I claim 1. A method for the cementation of boron into the surface of iron or steel, comprising, placing the iron or steel within a closed furnace, covering the portion desired to be cemented with a finely powdered boron containing material. shielding the remaining portion with iron plate. iron powder. clay or the like to prevent cementation action of boron, and heating the iron or steel for a considerable period. at from 8tltl-900 (l. in the presence of chlorine gas.
2. The method of claim 1, said boron containing material, being ferro-boron.
3. The method of claim 1, said boron containing material. being boron-oxide.
4. The method of claim 1. said boron containingmaterial, being boron containing material and carbon powder.
5. The method of claim 1, as applied to ferrous-alloys.
Signed at the embassy of the United States of America in the Empire of Japan this 26th day of September. A. I). 1921.
1n presence of two witnesses.
TAKEO MIYAGUCHI.
Witnesses:
Krcono WATANAKO, EUGENE H. DOOMAN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US508819A US1472851A (en) | 1921-10-19 | 1921-10-19 | Method of cementation of boron into the surface of iron or steel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US508819A US1472851A (en) | 1921-10-19 | 1921-10-19 | Method of cementation of boron into the surface of iron or steel |
| GB2929421A GB193918A (en) | 1921-11-03 | 1921-11-03 | Improvements in the method of cementation of boron into the surface of iron or steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1472851A true US1472851A (en) | 1923-11-06 |
Family
ID=26259849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US508819A Expired - Lifetime US1472851A (en) | 1921-10-19 | 1921-10-19 | Method of cementation of boron into the surface of iron or steel |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1472851A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2138614A1 (en) * | 1971-05-27 | 1973-01-05 | Degussa | |
| US3960608A (en) * | 1972-08-05 | 1976-06-01 | Wilkinson Sword Limited | Members having a cutting edge |
| FR2392136A1 (en) * | 1977-05-23 | 1978-12-22 | Hughes Tool Co | SAVINGS PAINT FOR SELECTIVE BORING PROCESS |
| US5088202A (en) * | 1988-07-13 | 1992-02-18 | Warner-Lambert Company | Shaving razors |
-
1921
- 1921-10-19 US US508819A patent/US1472851A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2138614A1 (en) * | 1971-05-27 | 1973-01-05 | Degussa | |
| US3960608A (en) * | 1972-08-05 | 1976-06-01 | Wilkinson Sword Limited | Members having a cutting edge |
| FR2392136A1 (en) * | 1977-05-23 | 1978-12-22 | Hughes Tool Co | SAVINGS PAINT FOR SELECTIVE BORING PROCESS |
| US5088202A (en) * | 1988-07-13 | 1992-02-18 | Warner-Lambert Company | Shaving razors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1035908A (en) | Hardened-steel plate and like article. | |
| US1472851A (en) | Method of cementation of boron into the surface of iron or steel | |
| US2137144A (en) | Process for the production of metal carbides | |
| US2032694A (en) | Method for hardening metals | |
| US1551333A (en) | Tool and die | |
| US2046914A (en) | Hard ferrous-lined tube | |
| US2046638A (en) | Process of treating metal | |
| US1016560A (en) | Armor-plate and other steel article. | |
| US1968067A (en) | Alloy and method of making same | |
| US1472850A (en) | Method of cementation of boron into the surface of iron or steel | |
| US2103610A (en) | Alloy steels | |
| GB193918A (en) | Improvements in the method of cementation of boron into the surface of iron or steel | |
| GB376299A (en) | Method of making hard alloys for cutting tools | |
| US1794229A (en) | Method of making hard metal compositions | |
| GB740547A (en) | Process for the production of carbides | |
| US1876175A (en) | Method of making metal carbides | |
| US2224448A (en) | Wear resisting alloy | |
| US2075742A (en) | Shaped bodies manufactured from an alloy of tungsten carbide or molybdenum carbide | |
| US2369211A (en) | Tool steel | |
| US1136669A (en) | Process of producing carbon-free ferrochromium. | |
| US1914990A (en) | Material for bearings, knife edges, and the like | |
| GB586895A (en) | Improvements in and relating to the manufacture of sintered metal products | |
| AT144642B (en) | Process for the production of hard metal alloys. | |
| US2200765A (en) | Heat treatment of cast iron | |
| US1942937A (en) | Process of heat treating ferrous metals |