DE2328066A1 - Hochleistungsemitter fuer thermionikelemente und verfahren zu seiner herstellung - Google Patents
Hochleistungsemitter fuer thermionikelemente und verfahren zu seiner herstellungInfo
- Publication number
- DE2328066A1 DE2328066A1 DE2328066A DE2328066A DE2328066A1 DE 2328066 A1 DE2328066 A1 DE 2328066A1 DE 2328066 A DE2328066 A DE 2328066A DE 2328066 A DE2328066 A DE 2328066A DE 2328066 A1 DE2328066 A1 DE 2328066A1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- tungsten
- molybdenum
- nuclear fuel
- emission
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 230000008569 process Effects 0.000 title description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 36
- 229910052721 tungsten Inorganic materials 0.000 claims description 36
- 239000010937 tungsten Substances 0.000 claims description 36
- 239000003758 nuclear fuel Substances 0.000 claims description 20
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 15
- 239000011733 molybdenum Substances 0.000 claims description 15
- 229910052750 molybdenum Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000008021 deposition Effects 0.000 claims description 10
- 239000003870 refractory metal Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 150000004820 halides Chemical class 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 2
- 238000002144 chemical decomposition reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 1
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical compound [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 229910000439 uranium oxide Inorganic materials 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/40—Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat or with another arrangement for direct production of electric energy, e.g. a thermionic device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J45/00—Discharge tubes functioning as thermionic generators
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical Vapour Deposition (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7219985A FR2186706B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-02 | 1972-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2328066A1 true DE2328066A1 (de) | 1973-12-13 |
Family
ID=9099630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2328066A Pending DE2328066A1 (de) | 1972-06-02 | 1973-06-01 | Hochleistungsemitter fuer thermionikelemente und verfahren zu seiner herstellung |
Country Status (3)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7653963B2 (en) * | 2002-11-12 | 2010-02-02 | Black & Decker Inc. | AC/DC hand portable wet/dry vacuum having improved portability and convenience |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2726178A (en) * | 1950-11-17 | 1955-12-06 | Rca Corp | Thermionic cathode with thoria coating |
| BE514709A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1951-10-13 | |||
| US3121048A (en) * | 1962-06-29 | 1964-02-11 | George A Haas | Matrix emitter for thermionic conversion systems |
| US3638051A (en) * | 1964-02-10 | 1972-01-25 | Nuclear Materials & Equipment | Nuclear thermionic generator with composite particle cathode |
-
1972
- 1972-06-02 FR FR7219985A patent/FR2186706B1/fr not_active Expired
-
1973
- 1973-05-25 US US363867A patent/US3883765A/en not_active Expired - Lifetime
- 1973-06-01 DE DE2328066A patent/DE2328066A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2186706A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-11 |
| FR2186706B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-12-27 |
| US3883765A (en) | 1975-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |