CA1066926A - Method of preparation of dispersion strengthened silver electrical contacts - Google Patents
Method of preparation of dispersion strengthened silver electrical contactsInfo
- Publication number
- CA1066926A CA1066926A CA260,081A CA260081A CA1066926A CA 1066926 A CA1066926 A CA 1066926A CA 260081 A CA260081 A CA 260081A CA 1066926 A CA1066926 A CA 1066926A
- Authority
- CA
- Canada
- Prior art keywords
- powder
- ceo2
- silver
- mixture
- steps
- 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
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 60
- 239000004332 silver Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 30
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 65
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000006185 dispersion Substances 0.000 title description 11
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 60
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 14
- 150000000703 Cerium Chemical class 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000012266 salt solution Substances 0.000 claims description 4
- 229910000108 silver(I,III) oxide Inorganic materials 0.000 claims description 4
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 2
- 238000005098 hot rolling Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 7
- 238000000227 grinding Methods 0.000 claims 4
- 238000001035 drying Methods 0.000 claims 3
- 238000001914 filtration Methods 0.000 claims 2
- 238000007873 sieving Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- 238000003801 milling Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 abstract description 24
- 238000003466 welding Methods 0.000 abstract description 16
- 229910052684 Cerium Inorganic materials 0.000 abstract description 9
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004663 powder metallurgy Methods 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 33
- 229910045601 alloy Inorganic materials 0.000 description 30
- 239000000956 alloy Substances 0.000 description 30
- 238000012546 transfer Methods 0.000 description 19
- 238000007792 addition Methods 0.000 description 12
- 229910001316 Ag alloy Inorganic materials 0.000 description 11
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007596 consolidation process Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- -1 cerium group metals Chemical class 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ASMQPJTXPYCZBL-UHFFFAOYSA-N [O-2].[Cd+2].[Ag+] Chemical compound [O-2].[Cd+2].[Ag+] ASMQPJTXPYCZBL-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001192 hot extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- LVMBEXJKZGJYRH-UHFFFAOYSA-N [Ag].[Ce] Chemical group [Ag].[Ce] LVMBEXJKZGJYRH-UHFFFAOYSA-N 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/023—Composite material having a noble metal as the basic material
- H01H1/0237—Composite material having a noble metal as the basic material and containing oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Contacts (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Switches (AREA)
- Conductive Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/610,525 US4018630A (en) | 1975-09-05 | 1975-09-05 | Method of preparation of dispersion strengthened silver electrical contacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066926A true CA1066926A (en) | 1979-11-27 |
Family
ID=24445365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA260,081A Expired CA1066926A (en) | 1975-09-05 | 1976-08-27 | Method of preparation of dispersion strengthened silver electrical contacts |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4018630A (en]) |
| JP (1) | JPS5232574A (en]) |
| AU (1) | AU506836B2 (en]) |
| CA (1) | CA1066926A (en]) |
| DE (1) | DE2639771A1 (en]) |
| FR (1) | FR2322934A1 (en]) |
| GB (1) | GB1542729A (en]) |
| IT (1) | IT1068209B (en]) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4387073A (en) * | 1981-09-08 | 1983-06-07 | The United States Of America As Represented By The Secretary Of The Navy | Gold based electrical contact materials |
| JPS58189304A (ja) * | 1982-04-27 | 1983-11-05 | Tanaka Kikinzoku Kogyo Kk | 電気接点材料の製造方法 |
| US5066544A (en) * | 1990-08-27 | 1991-11-19 | U.S. Philips Corporation | Dispersion strengthened lead-tin alloy solder |
| US5422190A (en) * | 1993-01-22 | 1995-06-06 | Ferro Corporation | Via fill paste and method of using the same containing specific amounts of silver, gold and refractory oxides |
| WO2006021438A1 (en) * | 2004-08-26 | 2006-03-02 | Umicore Ag & Co. Kg | Processes for producing dispersoid-strengthened material |
| CN102074278B (zh) * | 2010-12-09 | 2011-12-28 | 温州宏丰电工合金股份有限公司 | 颗粒定向排列增强银基电触头材料的制备方法 |
| CN102142325B (zh) * | 2010-12-30 | 2013-04-03 | 温州宏丰电工合金股份有限公司 | 颗粒定向排列增强银基氧化物电触头材料及其制备方法 |
| JP6531327B2 (ja) * | 2015-04-24 | 2019-06-19 | 国立大学法人大阪大学 | アルカリ性担体に担持された銀−セリウム酸化物複合体触媒およびその製造方法 |
| US20210260651A1 (en) * | 2020-02-21 | 2021-08-26 | General Electric Company | Methods of manufacturing dispersion strengthened materials |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA542630A (en) * | 1957-06-25 | J. Stumbock Max | Spark plug electrode | |
| US2005645A (en) * | 1930-04-15 | 1935-06-18 | Du Pont | Process of oxidizing aliphatic alcohols to aldehydes |
| FR1287881A (fr) * | 1961-04-26 | 1962-03-16 | Perfectionnements aux métaux présentant une résistance mécanique accrue par une dispersion et aux produits obtenus par déformation mécanique de ces métaux | |
| US3501287A (en) * | 1968-07-31 | 1970-03-17 | Mallory & Co Inc P R | Metal-metal oxide compositions |
-
1975
- 1975-09-05 US US05/610,525 patent/US4018630A/en not_active Expired - Lifetime
-
1976
- 1976-08-27 CA CA260,081A patent/CA1066926A/en not_active Expired
- 1976-09-02 JP JP51104343A patent/JPS5232574A/ja active Pending
- 1976-09-02 IT IT51112/76A patent/IT1068209B/it active
- 1976-09-02 GB GB7636482A patent/GB1542729A/en not_active Expired
- 1976-09-03 FR FR7626653A patent/FR2322934A1/fr active Granted
- 1976-09-03 AU AU17430/76A patent/AU506836B2/en not_active Expired
- 1976-09-03 DE DE19762639771 patent/DE2639771A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU1743076A (en) | 1978-03-09 |
| AU506836B2 (en) | 1980-01-24 |
| US4018630A (en) | 1977-04-19 |
| FR2322934B1 (en]) | 1981-09-04 |
| GB1542729A (en) | 1979-03-21 |
| IT1068209B (it) | 1985-03-21 |
| DE2639771A1 (de) | 1977-03-17 |
| FR2322934A1 (fr) | 1977-04-01 |
| JPS5232574A (en) | 1977-03-11 |
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