GB1111705A – A surface-finishing process for zirconium and zirconium alloys
– Google Patents
GB1111705A – A surface-finishing process for zirconium and zirconium alloys
– Google Patents
A surface-finishing process for zirconium and zirconium alloys
Info
Publication number
GB1111705A
GB1111705A
GB23436/66A
GB2343666A
GB1111705A
GB 1111705 A
GB1111705 A
GB 1111705A
GB 23436/66 A
GB23436/66 A
GB 23436/66A
GB 2343666 A
GB2343666 A
GB 2343666A
GB 1111705 A
GB1111705 A
GB 1111705A
Authority
GB
United Kingdom
Prior art keywords
zirconium
finishing process
alloys
autoclave
heating
Prior art date
1965-05-28
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
Application number
GB23436/66A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nukem GmbH
Original Assignee
Nukem GmbH
Priority date (The priority date 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 date listed.)
1965-05-28
Filing date
1966-05-25
Publication date
1968-05-01
1966-05-25
Application filed by Nukem GmbH
filed
Critical
Nukem GmbH
1968-05-01
Publication of GB1111705A
publication
Critical
patent/GB1111705A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
C23C8/10—Oxidising
C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
C—CHEMISTRY; METALLURGY
C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
C23C8/10—Oxidising
C—CHEMISTRY; METALLURGY
C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
C23G1/10—Other heavy metals
C23G1/106—Other heavy metals refractory metals
G—PHYSICS
G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
G21C—NUCLEAR REACTORS
G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
G21C3/02—Fuel elements
G21C3/04—Constructional details
G21C3/06—Casings; Jackets
G21C3/07—Casings; Jackets characterised by their material, e.g. alloys
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
Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/00—Energy generation of nuclear origin
Y02E30/30—Nuclear fission reactors
Abstract
Zr is oxidized by pickling in a HNO3-HF mixture, rinsing with water, heating in an autoclave at 250 DEG C., and then heating at 400 DEG C. whilst flushing fresh steam and oxygen through the autoclave.
GB23436/66A
1965-05-28
1966-05-25
A surface-finishing process for zirconium and zirconium alloys
Expired
GB1111705A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DEN26797A
DE1274855B
(en)
1965-05-28
1965-05-28
Process to improve the surface of zirconium and zirconium alloys
Publications (1)
Publication Number
Publication Date
GB1111705A
true
GB1111705A
(en)
1968-05-01
Family
ID=7343973
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB23436/66A
Expired
GB1111705A
(en)
1965-05-28
1966-05-25
A surface-finishing process for zirconium and zirconium alloys
Country Status (3)
Country
Link
BE
(1)
BE681530A
(en)
DE
(1)
DE1274855B
(en)
GB
(1)
GB1111705A
(en)
1965
1965-05-28
DE
DEN26797A
patent/DE1274855B/en
active
Pending
1966
1966-05-24
BE
BE681530D
patent/BE681530A/xx
unknown
1966-05-25
GB
GB23436/66A
patent/GB1111705A/en
not_active
Expired
Also Published As
Publication number
Publication date
DE1274855B
(en)
1968-08-08
BE681530A
(en)
1966-10-31
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