GB726032A - Improvements in or relating to the manufacture of porous sintered metal elements - Google Patents
Improvements in or relating to the manufacture of porous sintered metal elementsInfo
- Publication number
- GB726032A GB726032A GB17362/53A GB1736253A GB726032A GB 726032 A GB726032 A GB 726032A GB 17362/53 A GB17362/53 A GB 17362/53A GB 1736253 A GB1736253 A GB 1736253A GB 726032 A GB726032 A GB 726032A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plug
- temperature
- refractory metal
- type cathode
- dispenser
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000003870 refractory metal Substances 0.000 abstract 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 2
- 239000012298 atmosphere Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract 2
- 239000011733 molybdenum Substances 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 238000007493 shaping process Methods 0.000 abstract 2
- 238000005245 sintering Methods 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000012299 nitrogen atmosphere Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 238000004663 powder metallurgy Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
-
- 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
- C22C1/08—Alloys with open or closed pores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US318054XA | 1952-06-26 | 1952-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB726032A true GB726032A (en) | 1955-03-16 |
Family
ID=21861485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17362/53A Expired GB726032A (en) | 1952-06-26 | 1953-06-23 | Improvements in or relating to the manufacture of porous sintered metal elements |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE520936A (enrdf_load_html_response) |
| CH (1) | CH318054A (enrdf_load_html_response) |
| FR (1) | FR1079579A (enrdf_load_html_response) |
| GB (1) | GB726032A (enrdf_load_html_response) |
| NL (1) | NL81847C (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193601A (zh) * | 2019-06-13 | 2019-09-03 | 金堆城钼业股份有限公司 | 一种双层或多层难熔金属复合管材的制备方法 |
-
0
- NL NL81847D patent/NL81847C/xx active
- BE BE520936D patent/BE520936A/xx unknown
-
1953
- 1953-06-23 GB GB17362/53A patent/GB726032A/en not_active Expired
- 1953-06-24 FR FR1079579D patent/FR1079579A/fr not_active Expired
- 1953-06-24 CH CH318054D patent/CH318054A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193601A (zh) * | 2019-06-13 | 2019-09-03 | 金堆城钼业股份有限公司 | 一种双层或多层难熔金属复合管材的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1079579A (fr) | 1954-12-01 |
| NL81847C (enrdf_load_html_response) | |
| CH318054A (de) | 1956-12-15 |
| BE520936A (enrdf_load_html_response) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2467675A (en) | Alloy of high density | |
| US5774780A (en) | Process for production of a shaped part | |
| GB793726A (en) | Improvements in or relating to dispenser cathodes | |
| GB713140A (en) | Improvements in or relating to the manufacture of dispenser cathodes | |
| GB726032A (en) | Improvements in or relating to the manufacture of porous sintered metal elements | |
| US4275123A (en) | Hot-cathode material and production thereof | |
| US3231332A (en) | Electrodes for electric discharge apparatus | |
| GB962651A (en) | Electrodes for high-pressure electric discharge lamps and process of manufacturing the same | |
| US3271849A (en) | Iridium-sheathed wire for electron tubes | |
| GB899164A (en) | Improvements in or relating to brazing or the like | |
| GB611466A (en) | Improvements relating to powder metallurgical processes | |
| US2733319A (en) | Material for electric contacts | |
| US3816079A (en) | Method of producing grid electrodes for electronic discharge vessels | |
| US1542385A (en) | Thermionic cathode and method of making the same | |
| GB1052791A (enrdf_load_html_response) | ||
| US3105290A (en) | Cathode for electron discharge device | |
| US2899299A (en) | Method of manufacturing sintered | |
| JPH05140613A (ja) | タングステン焼結体の製造方法 | |
| JPH0949036A (ja) | 電気接点の製造方法 | |
| US3162530A (en) | Fabrication of cr-y sheet | |
| GB968520A (en) | Process for the extrusion of pre-sintered blanks or billets | |
| US3108000A (en) | Ruthenium fabrication | |
| GB984302A (en) | Improvements in or relating to methods of moving-zone heating rod-shaped bodies | |
| JPS5579803A (en) | Production of cathode for aqueous alkali metal halide solution electrolysis | |
| GB929668A (en) | Improvements in or relating to electrodes for electric discharge apparatus |