NO136208B - - Google Patents
Download PDFInfo
- Publication number
- NO136208B NO136208B NO1077/73A NO107773A NO136208B NO 136208 B NO136208 B NO 136208B NO 1077/73 A NO1077/73 A NO 1077/73A NO 107773 A NO107773 A NO 107773A NO 136208 B NO136208 B NO 136208B
- Authority
- NO
- Norway
- Prior art keywords
- zirconium
- alloy
- copper
- alloys
- weight percent
- Prior art date
Links
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 239000010937 tungsten Substances 0.000 claims description 7
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 208000021017 Weight Gain Diseases 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 230000004584 weight gain Effects 0.000 description 4
- 235000019786 weight gain Nutrition 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- PRVKLYVQRIDKIC-UHFFFAOYSA-N [Mo].[Cu].[Zr] Chemical compound [Mo].[Cu].[Zr] PRVKLYVQRIDKIC-UHFFFAOYSA-N 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- XTYUEDCPRIMJNG-UHFFFAOYSA-N copper zirconium Chemical compound [Cu].[Zr] XTYUEDCPRIMJNG-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/06—Feeding devices
Landscapes
- Paper (AREA)
- Conductive Materials (AREA)
Description
Zirkoniumlegering. Zirconium alloy.
Foreliggende oppfinnelse angår legeringer som bl. a. er brukbare ved høye temperaturer i en atmosfære av karbondioksyd. The present invention relates to alloys such as a. are usable at high temperatures in an atmosphere of carbon dioxide.
Man har tatt i betraktning bruken av legeringer av zirkonium som konstruk-sjonsmaterialer inne i kjernene av grafitt-modererte, karbondioksyd-avkjølte kjerne-reaktorer. Consideration has been given to the use of alloys of zirconium as construction materials within the cores of graphite-moderated, carbon dioxide-cooled core reactors.
Legeringer av zirkonium med kopper og/eller krom og molybden har adekvat motstandsevne mot siging og har god korrosjonsmotstandsevne opptil temperaturer av en størrelsesorden på 525° C, slik som beskrevet i det norske patent nr. 95 039. Alloys of zirconium with copper and/or chromium and molybdenum have adequate resistance to seepage and have good corrosion resistance up to temperatures of the order of 525° C, as described in the Norwegian patent no. 95 039.
Det er nå blitt funnet at hvis wolfram settes til en zirkonium-kopper-legering, økes korrosjonsmotstandsegenskapene vi-dere. It has now been found that if tungsten is added to a zirconium-copper alloy, the corrosion resistance properties are further increased.
En legering ifølge foreliggende oppfinnelse består av fra 0,5 til 1,5 vektprosent kopper, fra 0,25—1,5 vektprosent wolfram og resten zirkonium, med unntagelse av forurensninger som uunngåelig kan være til stede. Slike forurensninger kan oppstå fra svampzirkoniumet hvorfra zirkonium-innholdet i legeringen skriver seg. An alloy according to the present invention consists of from 0.5 to 1.5 weight percent copper, from 0.25 to 1.5 weight percent tungsten and the rest zirconium, with the exception of impurities which may unavoidably be present. Such contamination can arise from the sponge zirconium from which the zirconium content in the alloy is determined.
Eksempler på foretrukne legeringer in-nen området av bestanddelene som er angitt ifølge oppfinnelsen er følgende: a) Kopper 0,5 pst., wolfram 0,5 pst., resten zirkonium. b) Kopper 1,5 pst., wolfram 1,0 pst., resten zirkonium. Examples of preferred alloys within the range of the components specified according to the invention are the following: a) Copper 0.5%, tungsten 0.5%, the rest zirconium. b) Copper 1.5 per cent, tungsten 1.0 per cent, the rest zirconium.
Korrosjonsmotstandsevnen mot karbondioksyd for legeringer angitt i de oven-stående eksempler kan bedømmes ved vekt-økningen av legeringen når den befinner seg i kontakt med karbondioksyd i en leng-re periode ved en forhøyet temperatur. Vektøkning for de angitte legeringer, sam-menlignet med vektøkninger under de samme betingelser for zirkonium, legeringen kjent som Zircaloy-2 og bestående av 1,3— 1,6 pst. tinn, 0,07—0,2 pst. jern, 0,05—0,15 pst. krom og 0,03—0,08 pst. nikkel, en Jege-ring av zirkonium med 0,5 pst. kopper og 0,5 pst. molybden, og legering av zirkonium med 1,0 pst. kopper og 1,5 pst. molybden er angitt i følgende tabell: The corrosion resistance to carbon dioxide for alloys given in the above examples can be judged by the increase in weight of the alloy when it is in contact with carbon dioxide for a longer period at an elevated temperature. Weight gain for the indicated alloys, compared with weight gains under the same conditions for zirconium, the alloy known as Zircaloy-2 and consisting of 1.3-1.6 per cent tin, 0.07-0.2 per cent iron, 0 .05—0.15 percent chromium and 0.03—0.08 percent nickel, a Jeger ring of zirconium with 0.5 percent copper and 0.5 percent molybdenum, and alloy of zirconium with 1.0 % copper and 1.5 % molybdenum are indicated in the following table:
Hvis tiden forlenges til 1200 timer, til-tar vektsøkningen for legeringen a) til 11,5 mg/cm2, mens vektsøkningen for legeringen som inneholder 0,5 pst. kopper og 0',5 pst. molybden øker til 25 mg/cm2. Ved de samme betingelser er vektsøkningen for legering b) bare 7,6 mg/cm2. If the time is extended to 1200 hours, the weight gain for alloy a) increases to 11.5 mg/cm2, while the weight gain for the alloy containing 0.5% copper and 0'.5% molybdenum increases to 25 mg/cm2. Under the same conditions, the weight increase for alloy b) is only 7.6 mg/cm2.
Legeringene a) og b) har således be-tydelig høyere korrosjonsmotstandsevne i C02 enn zirkonium-kopper-molybden-legeringer og legering b) har endog ennå bedre motstandsevne enn legering a) . Beg-ge legeringer a) og to) har en langt større motstandsevne mot korrosjon enn Zircaloy-2. Alloys a) and b) thus have significantly higher corrosion resistance in CO2 than zirconium-copper-molybdenum alloys and alloy b) has even better resistance than alloy a). Both alloys a) and two) have a far greater resistance to corrosion than Zircaloy-2.
Claims (3)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE03600/72A SE354302B (en) | 1972-03-21 | 1972-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO136208B true NO136208B (en) | 1977-04-25 |
| NO136208C NO136208C (en) | 1977-08-03 |
Family
ID=20262464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1077/73A NO136208C (en) | 1972-03-21 | 1973-03-19 | FEEDING DEVICE FOR CONTINUOUS COOKERS. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3849247A (en) |
| JP (1) | JPS5424001B2 (en) |
| BR (1) | BR7301978D0 (en) |
| CA (1) | CA981495A (en) |
| DE (1) | DE2312679C3 (en) |
| FI (1) | FI51507C (en) |
| FR (1) | FR2176981B1 (en) |
| NO (1) | NO136208C (en) |
| SE (1) | SE354302B (en) |
| ZA (1) | ZA731562B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950147A (en) * | 1974-08-08 | 1976-04-13 | Kamyr, Inc. | Process for feeding coal to a fluidized bed or suspended particle pressurized processing chamber and apparatus for carrying out the same |
| JPS5151939A (en) * | 1974-10-31 | 1976-05-07 | Canon Kk | SAISENPATAANYOHOTOREJISUTOGENZOEKI |
| US4125384A (en) * | 1977-03-03 | 1978-11-14 | Kamyr Inc. | Method and apparatus for continuously feeding solid particles into a pressurized container |
| SE7802408L (en) * | 1978-03-02 | 1979-09-03 | Gloeersen Stig | WAY TO TRANSFER WITH LIQUID TRANSPORTABLE MATERIALS AS FIBER MATERIALS |
| US4347134A (en) * | 1981-09-03 | 1982-08-31 | Svehaug Oswald C | Slurry separator having reaction nozzle driven rotory blades wiping a conical filter |
| US5300195A (en) * | 1988-05-31 | 1994-04-05 | Kamyr Ab | Continuous vertical digester apparatus |
| US5213662A (en) * | 1991-08-14 | 1993-05-25 | Kamyr, Inc. | Treatment of chips with high temperature black liquor to reduce black liquor viscosity |
| US5413677A (en) * | 1993-04-05 | 1995-05-09 | Kamyr, Inc. | Method for producing chemical pulp from hardwood chips |
| DE69727331T2 (en) | 1996-03-14 | 2004-10-21 | Taiho Kogyo Co Ltd | Copper alloy and plain bearing with improved running resistance |
| US5795438A (en) * | 1996-11-04 | 1998-08-18 | Ahlstrom Machinery Inc. | Method and apparatus for feeding multiple digesters |
| US6120646A (en) * | 1998-04-06 | 2000-09-19 | Kvaerner Pulping Ab | Feeding system of feeding a cellulose material |
| US6265209B1 (en) * | 1998-05-25 | 2001-07-24 | Chisso Corporation | Intermediates and improved processes for the preparation of neplanocin A |
| DE10033978A1 (en) * | 2000-07-13 | 2002-01-24 | Voith Paper Patent Gmbh | Method and device for loading fibers with calcium carbonate |
| US20020129911A1 (en) * | 2000-10-16 | 2002-09-19 | Marcoccia Bruno S. | Process and configuration for providing external upflow/internal downflow in a continuous digester |
| US7951127B2 (en) | 2006-12-15 | 2011-05-31 | Kimberly-Clark Worldwide, Inc. | Composite bodyside liner |
| WO2012060749A1 (en) * | 2010-11-03 | 2012-05-10 | Metso Paper Sweden Ab | Top separator for steam/liquid digester |
| JP2021178703A (en) * | 2020-05-12 | 2021-11-18 | セイコーエプソン株式会社 | Screw feeder and apparatus for manufacturing fiber structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459180A (en) * | 1943-12-04 | 1949-01-18 | Kamyr Ab | Apparatus for charging fibrous material into a digester |
| US3041232A (en) * | 1957-02-06 | 1962-06-26 | Kamyr Ab | Method of continuous cellulose digestion and digester apparatus for practicing said method |
| US2969113A (en) * | 1957-12-18 | 1961-01-24 | Sprout Waldron & Co Inc | Pulp manufacture |
| FI44513C (en) * | 1963-01-08 | 1971-11-10 | Defibrator Ab | Apparatus for the continuous production of pulp from a lignocellulosic material |
| US3294626A (en) * | 1963-07-15 | 1966-12-27 | William R Matthews | Continuous flow wafer impregnator and digest tube |
| US3467573A (en) * | 1965-12-13 | 1969-09-16 | Improved Machinery Inc | Upflow digester containing means for separate removal of wash liquor and pulping liquor and method of pulping in said digester |
| US3586600A (en) * | 1967-07-27 | 1971-06-22 | Improved Machinery Inc | Continuous digesting apparatus |
| SE327888B (en) * | 1968-07-04 | 1970-08-31 | Defibrator Ab | |
| SE342269B (en) * | 1970-06-11 | 1972-01-31 | Kamyr Ab |
-
1972
- 1972-03-21 SE SE03600/72A patent/SE354302B/xx unknown
-
1973
- 1973-03-06 ZA ZA731562A patent/ZA731562B/en unknown
- 1973-03-12 US US00339758A patent/US3849247A/en not_active Expired - Lifetime
- 1973-03-13 CA CA166,031A patent/CA981495A/en not_active Expired
- 1973-03-14 FI FI730775A patent/FI51507C/en active
- 1973-03-14 DE DE2312679A patent/DE2312679C3/en not_active Expired
- 1973-03-19 NO NO1077/73A patent/NO136208C/en unknown
- 1973-03-20 BR BR731978A patent/BR7301978D0/en unknown
- 1973-03-21 FR FR7310073A patent/FR2176981B1/fr not_active Expired
- 1973-03-22 JP JP3196273A patent/JPS5424001B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE354302B (en) | 1973-03-05 |
| BR7301978D0 (en) | 1974-07-18 |
| FI51507B (en) | 1976-09-30 |
| NO136208C (en) | 1977-08-03 |
| FR2176981A1 (en) | 1973-11-02 |
| JPS5424001B2 (en) | 1979-08-17 |
| FR2176981B1 (en) | 1976-09-10 |
| US3849247A (en) | 1974-11-19 |
| CA981495A (en) | 1976-01-13 |
| ZA731562B (en) | 1973-11-28 |
| FI51507C (en) | 1977-01-10 |
| JPS496202A (en) | 1974-01-19 |
| DE2312679C3 (en) | 1975-11-13 |
| DE2312679B2 (en) | 1975-01-02 |
| DE2312679A1 (en) | 1973-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO136208B (en) | ||
| GB1395125A (en) | High temperature alloys | |
| GB1532851A (en) | Heat resisting nickel-chromium alloy having high resistance to oxidation carburization and creep at high temperatures | |
| NO119008B (en) | ||
| US4963323A (en) | Highly corrosion-resistant zirconium alloy for use as nuclear reactor fuel cladding material | |
| US5196163A (en) | Highly corrosion-resistant zirconium alloy for use as nuclear reactor fuel cladding material | |
| NO141894B (en) | ANALOGY PROCEDURE FOR THE PREPARATION OF PHARMACOLOGICALLY ACTIVE PYRIDOBENZODIAZEPINONES | |
| NO144849B (en) | PROCEDURE FOR THE PREPARATION OF 7- (D-ALFA-AMINO-1,4-CYCLO-HEXADIEN-1-YLACETAMIDO) -DESACETOXYCE PHALOSPORANIC ACID DIHYDRATE | |
| JPS56105458A (en) | Heat-resistant cast alloy | |
| US2769707A (en) | Thermally stable beta alloys of titanium-tin alloys | |
| US2924518A (en) | Zirconium alloys | |
| SE444821B (en) | nickel alloy | |
| NO128747B (en) | ||
| NO136178B (en) | ||
| JPH076018B2 (en) | Zr alloy with excellent corrosion resistance for reactor fuel cladding | |
| US3926620A (en) | Low carbon ni-cr alloy steel having an improved resistance to stress corrosion cracking | |
| US3859080A (en) | Corrosion resistant alloys | |
| JPS613859A (en) | High-strength heat-resistant co alloy for gas turbine | |
| US3222166A (en) | Tungsten-base alloy | |
| SU164119A1 (en) | HEAT-RESISTANT NICKEL-BASED ALLOY | |
| US2864694A (en) | Alloys assistant to salt baths | |
| JPS61546A (en) | High-strength heat-resistant co alloy for gas turbine | |
| US3004849A (en) | Zirconium alloys | |
| JPS5839910B2 (en) | Tubular body for nuclear reactor | |
| JPH076019B2 (en) | Zr alloy with excellent corrosion resistance for reactor fuel cladding |