JPH02160694A - タングステン単結晶の製造方法 - Google Patents
タングステン単結晶の製造方法Info
- Publication number
- JPH02160694A JPH02160694A JP31718988A JP31718988A JPH02160694A JP H02160694 A JPH02160694 A JP H02160694A JP 31718988 A JP31718988 A JP 31718988A JP 31718988 A JP31718988 A JP 31718988A JP H02160694 A JPH02160694 A JP H02160694A
- Authority
- JP
- Japan
- Prior art keywords
- tungsten
- single crystal
- temperature
- zirconium oxide
- annealing
- 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.)
- Granted
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 39
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims description 40
- 229910052721 tungsten Inorganic materials 0.000 title claims description 37
- 239000010937 tungsten Substances 0.000 title claims description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000000137 annealing Methods 0.000 claims abstract description 14
- 238000001953 recrystallisation Methods 0.000 claims abstract description 11
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 17
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 17
- 239000000843 powder Substances 0.000 abstract description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 4
- 238000000034 method Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 9
- 238000005245 sintering Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- -1 Ni20 Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31718988A JPH02160694A (ja) | 1988-12-14 | 1988-12-14 | タングステン単結晶の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31718988A JPH02160694A (ja) | 1988-12-14 | 1988-12-14 | タングステン単結晶の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02160694A true JPH02160694A (ja) | 1990-06-20 |
| JPH0519519B2 JPH0519519B2 (enrdf_load_stackoverflow) | 1993-03-16 |
Family
ID=18085447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31718988A Granted JPH02160694A (ja) | 1988-12-14 | 1988-12-14 | タングステン単結晶の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02160694A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62275091A (ja) * | 1986-05-20 | 1987-11-30 | Nippon Tungsten Co Ltd | タングステン単結晶の製造法 |
-
1988
- 1988-12-14 JP JP31718988A patent/JPH02160694A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62275091A (ja) * | 1986-05-20 | 1987-11-30 | Nippon Tungsten Co Ltd | タングステン単結晶の製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519519B2 (enrdf_load_stackoverflow) | 1993-03-16 |
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