DE3018874A1 - Metallpulver und verfahren zu dessen herstellung - Google Patents
Metallpulver und verfahren zu dessen herstellungInfo
- Publication number
- DE3018874A1 DE3018874A1 DE19803018874 DE3018874A DE3018874A1 DE 3018874 A1 DE3018874 A1 DE 3018874A1 DE 19803018874 DE19803018874 DE 19803018874 DE 3018874 A DE3018874 A DE 3018874A DE 3018874 A1 DE3018874 A1 DE 3018874A1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- metal powder
- powder according
- core
- outer layer
- 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.)
- Withdrawn
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 57
- 239000002184 metal Substances 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000002245 particle Substances 0.000 claims description 94
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 48
- 239000011162 core material Substances 0.000 claims description 48
- 239000000843 powder Substances 0.000 claims description 47
- 239000010410 layer Substances 0.000 claims description 46
- 229910052802 copper Inorganic materials 0.000 claims description 44
- 239000010949 copper Substances 0.000 claims description 44
- 229910045601 alloy Inorganic materials 0.000 claims description 31
- 239000000956 alloy Substances 0.000 claims description 31
- 229910052709 silver Inorganic materials 0.000 claims description 31
- 239000004332 silver Substances 0.000 claims description 31
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 24
- 229910052718 tin Inorganic materials 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000010953 base metal Substances 0.000 claims description 12
- 150000002739 metals Chemical class 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 10
- 239000012159 carrier gas Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000009713 electroplating Methods 0.000 claims description 7
- 239000007771 core particle Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 2
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 2
- QCEUXSAXTBNJGO-UHFFFAOYSA-N [Ag].[Sn] Chemical compound [Ag].[Sn] QCEUXSAXTBNJGO-UHFFFAOYSA-N 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims 2
- 239000008186 active pharmaceutical agent Substances 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 21
- 239000011135 tin Substances 0.000 description 16
- 229910000497 Amalgam Inorganic materials 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000002826 coolant Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000011324 bead Substances 0.000 description 7
- 239000000448 dental amalgam Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 229910001312 Amalgam (dentistry) Inorganic materials 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910000645 Hg alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/84—Preparations for artificial teeth, for filling teeth or for capping teeth comprising metals or alloys
- A61K6/847—Amalgams
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/18—Non-metallic particles coated with metal
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Preparations (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPD882679 | 1979-05-17 | ||
| AUPD882779 | 1979-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3018874A1 true DE3018874A1 (de) | 1980-11-27 |
Family
ID=25642307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803018874 Withdrawn DE3018874A1 (de) | 1979-05-17 | 1980-05-16 | Metallpulver und verfahren zu dessen herstellung |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS55161003A (show.php) |
| CA (1) | CA1149107A (show.php) |
| DE (1) | DE3018874A1 (show.php) |
| FR (1) | FR2456582A1 (show.php) |
| GB (1) | GB2051132B (show.php) |
| IT (1) | IT1140843B (show.php) |
| NZ (1) | NZ193738A (show.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398975A (en) * | 1980-12-25 | 1983-08-16 | Sony Corporation | Conductive paste |
| US4528207A (en) * | 1982-06-04 | 1985-07-09 | The University Of Virginia Alumni Patents Foundation | Plated dental amalgam alloys |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3240256C1 (de) * | 1982-10-30 | 1983-09-29 | Blendax-Werke R. Schneider Gmbh & Co, 6500 Mainz | Verfahren zur Herstellung von Silber-Zinn-Vorlegierungen fuer zahnaerztliche Amalgame |
| LU85322A1 (fr) * | 1984-04-17 | 1985-11-27 | Metallurg Hoboken Overpelt A | Procede pour preparer de la poudre de zinc pour batteries alcalines |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2370242A (en) * | 1943-01-15 | 1945-02-27 | Mallory & Co Inc P R | Refractory metal composition |
| US3933961A (en) * | 1974-12-13 | 1976-01-20 | Pennwalt Corporation | Tabletting spherical dental amalgam alloy |
| CA1085239A (en) * | 1977-04-26 | 1980-09-09 | Vilnis Silins | Process for producing composite powder particles |
-
1980
- 1980-05-07 IT IT21844/80A patent/IT1140843B/it active
- 1980-05-16 FR FR8011000A patent/FR2456582A1/fr active Granted
- 1980-05-16 DE DE19803018874 patent/DE3018874A1/de not_active Withdrawn
- 1980-05-16 JP JP6584080A patent/JPS55161003A/ja active Pending
- 1980-05-16 GB GB8016365A patent/GB2051132B/en not_active Expired
- 1980-05-16 NZ NZ193738A patent/NZ193738A/xx unknown
- 1980-05-16 CA CA000352313A patent/CA1149107A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398975A (en) * | 1980-12-25 | 1983-08-16 | Sony Corporation | Conductive paste |
| US4528207A (en) * | 1982-06-04 | 1985-07-09 | The University Of Virginia Alumni Patents Foundation | Plated dental amalgam alloys |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8021844A0 (it) | 1980-05-07 |
| NZ193738A (en) | 1983-02-15 |
| FR2456582B1 (show.php) | 1984-12-07 |
| IT1140843B (it) | 1986-10-10 |
| GB2051132A (en) | 1981-01-14 |
| CA1149107A (en) | 1983-07-05 |
| GB2051132B (en) | 1983-04-07 |
| FR2456582A1 (fr) | 1980-12-12 |
| JPS55161003A (en) | 1980-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |