GB1085804A - Process for the manufacture of products of beryllium or beryllium alloy - Google Patents

Process for the manufacture of products of beryllium or beryllium alloy

Info

Publication number
GB1085804A
GB1085804A GB42141/64A GB4214164A GB1085804A GB 1085804 A GB1085804 A GB 1085804A GB 42141/64 A GB42141/64 A GB 42141/64A GB 4214164 A GB4214164 A GB 4214164A GB 1085804 A GB1085804 A GB 1085804A
Authority
GB
United Kingdom
Prior art keywords
beryllium
extrusion
casing
under
carried out
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.)
Expired
Application number
GB42141/64A
Inventor
Jose Mallen
Michel Weisz
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1085804A publication Critical patent/GB1085804A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C25/00—Alloys based on beryllium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Forging (AREA)
  • Powder Metallurgy (AREA)
  • Extrusion Of Metal (AREA)

Abstract

In a process for the manufacture of products of beryllium or beryllium alloy, particularly casings for fuel rod in nuclear reactors, cast beryllium or beryllium alloy is subjected in the course of its shaping to a thorough plastic hot working such as extrusion in one or more steps and is stress-relieved at a temperature in the range 550 DEG C. to 750 DEG C., i.e. below and close to the recrystallization temperature, whilst imparting a tensile force to straighten the extruded beryllium or beryllium alloy, and then subjected to controlled recrystallization annealing. There may optionally be a compression before the hot working and a warm drawing after it. The hot working may be an impact extrusion, the metal being coated with a thin layer of silver or an extrusion under a casing of soft steel. A pre-extrusion may be carried out under a thin casing followed by extrusion under a thick casing. In an example where the process is used for the production of beryllium tubes, a cast ingot is compressed for 2 minutes at 650 DEG C. under a pressure of 10,000 bars. Extrusion at 950 DEG C. is carried out under a casing of soft steel 2 mm. thick until the cross-sectional area of the billet is reduced by a factor of 6. The billet is cut into sections and pierced. A second extrusion at 950 DEG C. is carried out at 27 mms. per second, the cross-sectional are of the billets being reduced by a factor of 15. The tubes thus produced are stress relieved at 650 DEG C. for half an hour whilst a tensile force is imparted to them to straighten them and then annealed at 750 DEG C. for 4 hours.
GB42141/64A 1963-10-25 1964-10-15 Process for the manufacture of products of beryllium or beryllium alloy Expired GB1085804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR951895A FR1381453A (en) 1963-10-25 1963-10-25 Improvements in manufacturing processes for beryllium or beryllium alloy products

Publications (1)

Publication Number Publication Date
GB1085804A true GB1085804A (en) 1967-10-04

Family

ID=8815243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42141/64A Expired GB1085804A (en) 1963-10-25 1964-10-15 Process for the manufacture of products of beryllium or beryllium alloy

Country Status (11)

Country Link
US (1) US3333994A (en)
BE (1) BE654077A (en)
CH (1) CH433778A (en)
DE (1) DE1290726B (en)
ES (1) ES305279A1 (en)
FR (1) FR1381453A (en)
GB (1) GB1085804A (en)
IL (1) IL22204A (en)
LU (1) LU47164A1 (en)
NL (1) NL6411480A (en)
SE (1) SE310947B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3483047A (en) * 1967-06-21 1969-12-09 Us Air Force Ductile polycrystalline beryllium
US3791878A (en) * 1971-03-25 1974-02-12 Kawecki Berylco Ind Method of obtaining ductile beryllium
US4017333A (en) * 1975-08-25 1977-04-12 Lockheed Missiles & Space Company, Inc. Fine grain beryllium bodies

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872363A (en) * 1948-07-14 1959-02-03 Robert E Macherey Method of working beryllium
GB868064A (en) * 1958-02-13 1961-05-17 Atomic Energy Authority Uk Extrusion and drawing of beryllium
GB884410A (en) * 1959-06-02 1961-12-13 Ti Group Services Ltd Manufacture of beryllium tubes
GB965710A (en) * 1959-08-19 1964-08-06 Babcock & Wilcox Ltd Process for the production of beryllium having increased ductility at high temperatures
GB884108A (en) * 1959-10-06 1961-12-06 Atomic Energy Authority Uk Improvements in or relating to the fabrication of beryllium
GB919423A (en) * 1960-10-04 1963-02-27 Atomic Energy Authority Uk Metallurgical process for working beryllium
US3234052A (en) * 1961-07-28 1966-02-08 Brush Beryllium Co Beryllium sheet and method of producing same

Also Published As

Publication number Publication date
DE1290726B (en) 1969-03-13
SE310947B (en) 1969-05-19
NL6411480A (en) 1965-04-26
ES305279A1 (en) 1965-03-16
BE654077A (en) 1965-02-01
CH433778A (en) 1967-04-15
US3333994A (en) 1967-08-01
LU47164A1 (en) 1964-12-19
IL22204A (en) 1968-03-28
FR1381453A (en) 1964-12-14

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