JP2012107337A - 元素Ti、Zr、Hf、V、Nb、Ta及びCrの金属粉末もしくは金属水素化物粉末の製造方法 - Google Patents
元素Ti、Zr、Hf、V、Nb、Ta及びCrの金属粉末もしくは金属水素化物粉末の製造方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 27
- 239000000843 powder Substances 0.000 title claims abstract description 27
- 229910052987 metal hydride Inorganic materials 0.000 title claims abstract description 17
- 150000004681 metal hydrides Chemical class 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910052735 hafnium Inorganic materials 0.000 title claims abstract description 11
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 11
- 229910052758 niobium Inorganic materials 0.000 title claims abstract description 10
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 10
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 238000006722 reduction reaction Methods 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 8
- 239000001257 hydrogen Substances 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 5
- 239000012298 atmosphere Substances 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 150000004678 hydrides Chemical class 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 238000002386 leaching Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 229910000099 calcium monohydride Inorganic materials 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000011777 magnesium Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000010955 niobium Substances 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CSDQQAQKBAQLLE-UHFFFAOYSA-N 4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Chemical compound C1=CC(Cl)=CC=C1C1C(C=CS2)=C2CCN1 CSDQQAQKBAQLLE-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910001257 Nb alloy Inorganic materials 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B6/00—Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic compounds ; Compounds containing at least one metal-hydrogen bond, e.g. (GeH3)2S, SiH GeH; Monoborane or diborane; Addition complexes thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B6/00—Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic compounds ; Compounds containing at least one metal-hydrogen bond, e.g. (GeH3)2S, SiH GeH; Monoborane or diborane; Addition complexes thereof
- C01B6/02—Hydrides of transition elements; Addition complexes thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/14—Obtaining zirconium or hafnium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
-
- 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
- B22F2998/10—Processes characterised by the sequence of their steps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
【解決手段】これらの元素の酸化物が還元剤と混合され、この混合物が炉中で、還元反応が開始するまで、場合により水素雰囲気下に(ついで金属水素化物が形成される)加熱され、反応生成物が浸出され、かつ引き続いて洗浄され、かつ乾燥され、その場合に使用された酸化物が0.5〜20μmの平均粒度、0.5〜20m2/gのBETによる比表面積及び94質量%の最小含量を有する。
【選択図】なし
Description
ZrO2 43kg(次の性質:ZrO2+HfO2 最小99.0%;HfO2 1.0〜2.0%;SiO2 最大0.5%;TiO2 最大0.3%;Fe2O3 最大0.1%;強熱減量 最大0.5%、平均粒度(FSSSによる)4〜6μm、単斜結晶構造割合 最小96%、比表面積(BETによる)0.5〜1.5m2/g)を有する粉末状酸化ジルコニウム(天然のバッデリ石))及び
Ca 31.5kg(次の性質:Ca 最小99.3%;Mg 最大0.7%を有する粒質物の形のカルシウム)を、
アルゴン雰囲気下に20分間混合した。ついで混合物を容器中へ搬入した。容器を炉中に装填し、次にこれを密閉し、アルゴンで100hPaの正圧(Ueberdruck)まで充填した。反応炉を約1250℃の温度に1時間加熱した。反応材料が炉の温度に達したと同時に、還元反応が開始した:
ZrO2 + 2Ca → Zr + 2CaO。
ZrO2 36kg(次の性質:ZrO2+HfO2 最小99.0%;HfO2 1.0〜2.0%;SiO2 最大0.2%;TiO2 最大0.25%;Fe2O3 最大0.02%;強熱減量 最大0.4%、平均粒度(FSSSによる)3〜5μm、単斜結晶構造割合 最小96%、比表面積(BETによる) 3.0〜4.0m2/gを有する粉末状酸化ジルコニウム)及び
Mg 17kg(次の性質:Mg 最小99.8%;かさ密度 最大0.4〜0.5g/cm3を有する粒質物の形のマグネシウム)を、
例1に類似して容器中で炉中に装填した。炉を1050℃に加熱した。反応材料が炉温度に達したと同時に、還元反応が開始した:
ZrO2 + 2Mg → Zr + 2MgO。
Claims (21)
- 元素Ti、Zr、Hf、V、Nb、Ta及びCrの金属粉末もしくは金属水素化物粉末の製造方法であって、
これらの元素の酸化物を還元剤と混合し、これらの混合物を炉中で、還元反応が開始するまで、場合により水素雰囲気(ついで金属水素化物が形成される)下に加熱し、反応生成物を浸出させ、引き続いて洗浄し、乾燥させることによる製造方法であり、
使用される前記酸化物が、0.5〜20μmの平均粒度、0.5〜20m2/gのBETによる比表面積及び94質量%の最小含量を有することを特徴とする、元素Ti、Zr、Hf、V、Nb、Ta及びCrの金属粉末もしくは金属水素化物粉末の製造方法。 - 混合物を炉中で800〜1400℃に加熱する、請求項1記載の方法。
- 使用される前記酸化物が1〜6μmの平均粒度を有する、請求項1又は2記載の方法。
- 使用される前記酸化物が、1〜12m2/gのBETによる比表面積を有する、請求項1から3までのいずれか1項記載の方法。
- 使用される前記酸化物が1〜8m2/gのBETによる比表面積を有する、請求項4記載の方法。
- 使用される前記酸化物が96質量%の最小含量を有する、請求項1から5までのいずれか1項記載の方法。
- 使用される前記酸化物が99質量%の最小含量を有する、請求項6記載の方法。
- 前記酸化物中のFe−及びAl−不純物の割合がそれぞれ<0.2質量%である(酸化物として計算)、請求項1から7までのいずれか1項記載の方法。
- 前記酸化物中のFe−及びAl−不純物の割合がそれぞれ<0.1質量%である(酸化物として計算)、請求項8記載の方法。
- 前記酸化物中のSi−不純物の割合が<1.5質量%である(SiO2として計算)、請求項1から9までのいずれか1項記載の方法。
- 前記酸化物中のSi−不純物の割合が<0.3質量%である(SiO2として計算)、請求項10記載の方法。
- 前記酸化物中のNa−不純物の割合が<0.05質量%である(Na2Oとして計算)、請求項1から11までのいずれか1項記載の方法。
- 前記酸化物中のP−不純物の割合が<0.2質量%である(P2O5として計算)、請求項1から12までのいずれか1項記載の方法。
- 1000℃での前記酸化物の強熱減量(恒量)が<1質量%である、請求項1から13までのいずれか1項記載の方法。
- 前記酸化物のEN ISO 787-11(先のDIN 53194)によるタップ密度が800〜1600kg/m3である、請求項1から14までのいずれか1項記載の方法。
- 15質量%の割合までの前記酸化物が、MgO、CaO、Y2O3又はCeO2の添加剤により置換されている、請求項1から15までのいずれか1項記載の方法。
- 還元剤としてアルカリ土類金属及び/又はアルカリ金属及び/又はそれらの水素化物を使用する、請求項1から15までのいずれか1項記載の方法。
- 還元剤としてMg、Ca、CaH2又はBaを使用する、請求項17記載の方法。
- 還元剤が99質量%の最小含量を有する、請求項1から18までのいずれか1項記載の方法。
- 反応を保護ガス下に実施する、請求項1から19までのいずれか1項記載の方法。
- 塩酸で反応生成物の浸出を実施する、請求項1から20までのいずれか1項記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10332033A DE10332033A1 (de) | 2003-07-15 | 2003-07-15 | Verfahren zur Herstellung von Metallpulvern, bzw. von Metallhydridpulvern der Elemente Ti, Zr, Hf, V, Nb, Ta und Cr |
| DE10332033.4 | 2003-07-15 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006519794A Division JP5692950B2 (ja) | 2003-07-15 | 2004-06-29 | Zr金属粉末の製造方法 |
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| JP2012107337A true JP2012107337A (ja) | 2012-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006519794A Expired - Lifetime JP5692950B2 (ja) | 2003-07-15 | 2004-06-29 | Zr金属粉末の製造方法 |
| JP2011283751A Pending JP2012107337A (ja) | 2003-07-15 | 2011-12-26 | 元素Ti、Zr、Hf、V、Nb、Ta及びCrの金属粉末もしくは金属水素化物粉末の製造方法 |
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| JP2006519794A Expired - Lifetime JP5692950B2 (ja) | 2003-07-15 | 2004-06-29 | Zr金属粉末の製造方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US20060174727A1 (ja) |
| EP (1) | EP1644544B1 (ja) |
| JP (2) | JP5692950B2 (ja) |
| KR (1) | KR100969116B1 (ja) |
| AT (1) | ATE348197T1 (ja) |
| CA (1) | CA2532128C (ja) |
| DE (2) | DE10332033A1 (ja) |
| RU (1) | RU2369651C2 (ja) |
| UA (1) | UA91494C2 (ja) |
| WO (1) | WO2005007906A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016528393A (ja) * | 2013-08-19 | 2016-09-15 | ユニバーシティ・オブ・ユタ・リサーチ・ファウンデイション | チタン生成物の製造 |
| JP2020519761A (ja) * | 2017-05-23 | 2020-07-02 | 東北大学Northeastern University | 多段・高度還元による高融点金属粉末の製造方法 |
| US10907239B1 (en) | 2020-03-16 | 2021-02-02 | University Of Utah Research Foundation | Methods of producing a titanium alloy product |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7263032B2 (en) | 1999-10-04 | 2007-08-28 | H2O Audio, Inc. | System for housing an audio system in an aquatic environment |
| US7663879B2 (en) * | 2001-11-19 | 2010-02-16 | Otter Products, Llc | Protective enclosure for personal digital assistant case having integrated back lighted keyboard |
| US7399335B2 (en) * | 2005-03-22 | 2008-07-15 | H.C. Starck Inc. | Method of preparing primary refractory metal |
| WO2009052007A1 (en) * | 2007-10-15 | 2009-04-23 | Hi-Temp Specialty Metals, Inc. | Method for the production of tantalum powder using reclaimed scrap as source material |
| DE102008064648A1 (de) | 2008-01-23 | 2010-05-20 | Tradium Gmbh | Reaktionsgefäß zur Herstellung von Metallpulvern |
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| JP6842079B2 (ja) * | 2016-08-26 | 2021-03-17 | 白畑 實隆 | 還元型ミネラルの製造方法及び細胞内糖取り込み活性を有する還元型ミネラルの製造方法 |
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| RU2725652C1 (ru) * | 2019-06-14 | 2020-07-03 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Кольский научный центр Российской академии наук" (ФИЦ КНЦ РАН) | Способ получения порошка циркония |
| KR102205493B1 (ko) * | 2019-09-25 | 2021-01-21 | 주식회사 엔에이피 | 비철금속 분말의 제조 방법 |
| RU2737103C1 (ru) * | 2020-07-15 | 2020-11-24 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Кольский научный центр Российской академии наук" (ФИЦ КНЦ РАН) | Способ получения порошка циркония |
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| JP2016528393A (ja) * | 2013-08-19 | 2016-09-15 | ユニバーシティ・オブ・ユタ・リサーチ・ファウンデイション | チタン生成物の製造 |
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| JP2020519761A (ja) * | 2017-05-23 | 2020-07-02 | 東北大学Northeastern University | 多段・高度還元による高融点金属粉末の製造方法 |
| US10907239B1 (en) | 2020-03-16 | 2021-02-02 | University Of Utah Research Foundation | Methods of producing a titanium alloy product |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2532128A1 (en) | 2005-01-27 |
| RU2369651C2 (ru) | 2009-10-10 |
| JP5692950B2 (ja) | 2015-04-01 |
| RU2006104309A (ru) | 2006-07-10 |
| US20060174727A1 (en) | 2006-08-10 |
| DE502004002325D1 (de) | 2007-01-25 |
| DE10332033A1 (de) | 2005-02-03 |
| CA2532128C (en) | 2016-04-05 |
| KR20060032637A (ko) | 2006-04-17 |
| ATE348197T1 (de) | 2007-01-15 |
| US20180094336A1 (en) | 2018-04-05 |
| KR100969116B1 (ko) | 2010-07-09 |
| JP2009513819A (ja) | 2009-04-02 |
| EP1644544B1 (de) | 2006-12-13 |
| UA91494C2 (ru) | 2010-08-10 |
| WO2005007906A1 (de) | 2005-01-27 |
| EP1644544A1 (de) | 2006-04-12 |
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