JPS5729542A - Aluminothermy process of low nitrogen-containing chromium and chromium alloy - Google Patents
Aluminothermy process of low nitrogen-containing chromium and chromium alloyInfo
- Publication number
- JPS5729542A JPS5729542A JP8126881A JP8126881A JPS5729542A JP S5729542 A JPS5729542 A JP S5729542A JP 8126881 A JP8126881 A JP 8126881A JP 8126881 A JP8126881 A JP 8126881A JP S5729542 A JPS5729542 A JP S5729542A
- Authority
- JP
- Japan
- Prior art keywords
- chromium
- aluminothermy
- low nitrogen
- alloy
- chromium alloy
- 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
Classifications
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/04—Refining by applying a vacuum
-
- 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
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/959—Thermit-type reaction of solid materials only to yield molten metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/172,545 US4331475A (en) | 1980-07-28 | 1980-07-28 | Process for aluminothermic production of chromium and chromium alloys low in nitrogen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5729542A true JPS5729542A (en) | 1982-02-17 |
JPH0140899B2 JPH0140899B2 (ja) | 1989-09-01 |
Family
ID=22628157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8126881A Granted JPS5729542A (en) | 1980-07-28 | 1981-05-29 | Aluminothermy process of low nitrogen-containing chromium and chromium alloy |
Country Status (6)
Country | Link |
---|---|
US (1) | US4331475A (ja) |
JP (1) | JPS5729542A (ja) |
CA (1) | CA1175661A (ja) |
DE (1) | DE3129563A1 (ja) |
FR (1) | FR2487378A1 (ja) |
GB (1) | GB2080831B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170087856A (ko) * | 2014-11-05 | 2017-07-31 | 콤파니아 브라질레이라 데 메탈루르지아 에 미네라상 | 저질소 금속 크롬 및 크롬-함유 합금의 제조 방법 및 수득된 생성물 |
US11124861B2 (en) | 2014-11-05 | 2021-09-21 | Companhia Brasileira De Metalurgia E Mineração | Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4917726A (en) * | 1987-04-16 | 1990-04-17 | Amax Inc. | Chromium recovery process |
JPH03146625A (ja) * | 1989-11-01 | 1991-06-21 | Japan Metals & Chem Co Ltd | 高純度金属クロムの製造方法 |
US5086720A (en) * | 1991-01-25 | 1992-02-11 | Kahlil Gibran | Furnace for controllable combustion of thermite |
US5364587A (en) * | 1992-07-23 | 1994-11-15 | Reading Alloys, Inc. | Nickel alloy for hydrogen battery electrodes |
US5316723A (en) * | 1992-07-23 | 1994-05-31 | Reading Alloys, Inc. | Master alloys for beta 21S titanium-based alloys |
RU2599464C2 (ru) * | 2015-02-26 | 2016-10-10 | Открытое акционерное общество "Ключевский завод феррославов" (ОАО "КЗФ") | Шихта и способ алюминотермического получения сплава на основе хрома с ее использованием |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE187457C (ja) * | ||||
DE175885C (ja) * | ||||
US2242759A (en) * | 1938-03-02 | 1941-05-20 | Walter H Duisberg | Reduction of difficultly reducible oxides |
GB735085A (en) * | 1952-08-28 | 1955-08-10 | Westinghouse Electric Int Co | Improvements in or relating to the purification of refractory metals and alloys thereof |
US2789896A (en) * | 1956-03-15 | 1957-04-23 | Climax Molybdenum Co | Process for reducing metal oxides |
US3725051A (en) * | 1970-10-14 | 1973-04-03 | Union Carbide Corp | Method of purifying low-carbon ferrochrome |
DE2204871C2 (de) * | 1972-02-02 | 1973-10-18 | Reading Alloys, Inc., Robesonia, Pa. (V.St.A.) | Vanadin-Aluminium-Titan-VLegierung |
DE2303697C2 (de) * | 1973-01-26 | 1974-07-18 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur Herstellung von Legierungspulvern aus Seltenen Erden und Kobalt |
JPS5429963B2 (ja) * | 1974-05-09 | 1979-09-27 | ||
GB1531152A (en) * | 1975-05-28 | 1978-11-01 | Atomic Energy Board | Aluminothermic process |
US4169722A (en) * | 1975-05-28 | 1979-10-02 | Atomic Energy Board | Aluminothermic process |
-
1980
- 1980-07-28 US US06/172,545 patent/US4331475A/en not_active Expired - Lifetime
-
1981
- 1981-04-13 CA CA000375333A patent/CA1175661A/en not_active Expired
- 1981-05-05 GB GB8113733A patent/GB2080831B/en not_active Expired
- 1981-05-29 JP JP8126881A patent/JPS5729542A/ja active Granted
- 1981-07-20 FR FR8114058A patent/FR2487378A1/fr active Granted
- 1981-07-27 DE DE19813129563 patent/DE3129563A1/de active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170087856A (ko) * | 2014-11-05 | 2017-07-31 | 콤파니아 브라질레이라 데 메탈루르지아 에 미네라상 | 저질소 금속 크롬 및 크롬-함유 합금의 제조 방법 및 수득된 생성물 |
JP2018501400A (ja) * | 2014-11-05 | 2018-01-18 | コンパニア ブラジレイラ ヂ メタルジア イ ミネラサウンCompanhia Brasileira De Metalurgia E Mineracao | 低窒素金属クロム及びクロム含有合金を製造するための工程並びに結果製造物 |
US11124861B2 (en) | 2014-11-05 | 2021-09-21 | Companhia Brasileira De Metalurgia E Mineração | Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys |
US11230751B2 (en) | 2014-11-05 | 2022-01-25 | Companhia Brasileira De Metalurgia E Mineracão | Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products |
Also Published As
Publication number | Publication date |
---|---|
JPH0140899B2 (ja) | 1989-09-01 |
FR2487378B1 (ja) | 1983-12-30 |
DE3129563A1 (de) | 1982-12-09 |
GB2080831B (en) | 1984-04-26 |
DE3129563C2 (ja) | 1988-11-03 |
US4331475A (en) | 1982-05-25 |
GB2080831A (en) | 1982-02-10 |
FR2487378A1 (fr) | 1982-01-29 |
CA1175661A (en) | 1984-10-09 |
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