CA1086992A - Powder metallurgical method for making coins - Google Patents
Powder metallurgical method for making coinsInfo
- Publication number
- CA1086992A CA1086992A CA257,685A CA257685A CA1086992A CA 1086992 A CA1086992 A CA 1086992A CA 257685 A CA257685 A CA 257685A CA 1086992 A CA1086992 A CA 1086992A
- Authority
- CA
- Canada
- Prior art keywords
- blank
- coin
- structural
- powder
- components
- 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
Links
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000004320 controlled atmosphere Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- NJXPYZHXZZCTNI-UHFFFAOYSA-N 3-aminobenzonitrile Chemical compound NC1=CC=CC(C#N)=C1 NJXPYZHXZZCTNI-UHFFFAOYSA-N 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910004369 ThO2 Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 3
- 230000000996 additive effect Effects 0.000 claims 3
- 229910001260 Pt alloy Inorganic materials 0.000 claims 1
- QRJOYPHTNNOAOJ-UHFFFAOYSA-N copper gold Chemical compound [Cu].[Au] QRJOYPHTNNOAOJ-UHFFFAOYSA-N 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT584175A AT342875B (de) | 1975-07-28 | 1975-07-28 | Verfahren zur kennzeichnung pulvermetallurgisch herzustellender munzrohlinge |
| ATA5841/75 | 1975-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1086992A true CA1086992A (en) | 1980-10-07 |
Family
ID=3580127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA257,685A Expired CA1086992A (en) | 1975-07-28 | 1976-07-23 | Powder metallurgical method for making coins |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT342875B (de) |
| CA (1) | CA1086992A (de) |
| CH (1) | CH623731A5 (de) |
| DE (1) | DE2633323A1 (de) |
| GB (1) | GB1562712A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035738A1 (de) * | 1990-11-09 | 1992-05-14 | Deutsche Nickel Ag | Verfahren zur herstellung von zweiteiligen muenzrohlingen und derartiger muenzrohling |
| RU2427659C1 (ru) * | 2010-07-27 | 2011-08-27 | Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") | Композиционный углеродсодержащий материал для изделий монетных дворов |
| DE102014215337B4 (de) | 2014-08-04 | 2020-01-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Pulvermetallurgisches Verfahren zum Herstellen eines Werkstücks und pulvermetallurgisch hergestelltes Werkstück |
| DE102014111245A1 (de) | 2014-08-07 | 2016-02-11 | Reischauer Gmbh | Verfahren zum Herstellen eines Prägerohlings für Münzen und Medaillen, Prägerohling und Verwendung des Prägerohlings |
| DE102015117459A1 (de) | 2015-10-14 | 2017-04-20 | Reischauer Gmbh | Kursmünze und Verfahren zu deren Herstellung |
| DE102020101908A1 (de) | 2020-01-27 | 2021-07-29 | B.H. Mayer's Kunstprägeanstalt GmbH | Münze oder Medaille |
-
1975
- 1975-07-28 AT AT584175A patent/AT342875B/de active
-
1976
- 1976-07-14 GB GB2926676A patent/GB1562712A/en not_active Expired
- 1976-07-23 CA CA257,685A patent/CA1086992A/en not_active Expired
- 1976-07-24 DE DE19762633323 patent/DE2633323A1/de not_active Withdrawn
- 1976-07-27 CH CH969676A patent/CH623731A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1562712A (en) | 1980-03-12 |
| CH623731A5 (en) | 1981-06-30 |
| DE2633323A1 (de) | 1977-02-17 |
| AT342875B (de) | 1978-04-25 |
| ATA584175A (de) | 1977-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |