GB1330388A - Superplastic lead alloys - Google Patents

Superplastic lead alloys

Info

Publication number
GB1330388A
GB1330388A GB4528671A GB4528671A GB1330388A GB 1330388 A GB1330388 A GB 1330388A GB 4528671 A GB4528671 A GB 4528671A GB 4528671 A GB4528671 A GB 4528671A GB 1330388 A GB1330388 A GB 1330388A
Authority
GB
United Kingdom
Prior art keywords
alloys
lead
calcium
casting
superplastic
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
GB4528671A
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.)
St Joe Minerals Corp
Original Assignee
St Joe Minerals Corp
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 St Joe Minerals Corp filed Critical St Joe Minerals Corp
Publication of GB1330388A publication Critical patent/GB1330388A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C11/00—Alloys based on lead
    • C22C11/02—Alloys based on lead with an alkali or an alkaline earth metal as the next major constituent
    • 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
    • C22F1/12—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of lead or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Extrusion Of Metal (AREA)

Abstract

1330388 Cracking at specified temperatures; altering physical properties; making strip material ST JOE MINERALS CORP 29 Sept 1971 [5 Oct 1970] 45286/71 Headings B3A and B3V [Also in Division C7] Superplastic lead alloys are prepared by casting an age hardenable lead alloy, fully age hardening the casting and then extruding it at an exit surface temperature in the range 120- 250‹ F. The surface temperature may be brought within this range by spraying the extrusion with water as it leaves the die. Leadcalcium alloys may be used, containing 0À03- 0À5 weight per cent calcium, or lead-calcium-tin alloys containing the above content of calcium and up to 1À0 weight per cent tin. Alternatively, the lead may be alloyed with one or more of antimony, tellurium, barium, strontium, sodium and lithium. Binary alloys may be fully age hardened in one day at 20‹ F., ternary alloys requiring 60-90 days, which may be reduced to 5 hours at 400‹ F. Extrusion ratios may be 38 : 1 and 133 : 1 and cam speeds 1-12 inches per minute.
GB4528671A 1970-10-05 1971-09-29 Superplastic lead alloys Expired GB1330388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7817770A 1970-10-05 1970-10-05

Publications (1)

Publication Number Publication Date
GB1330388A true GB1330388A (en) 1973-09-19

Family

ID=22142414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4528671A Expired GB1330388A (en) 1970-10-05 1971-09-29 Superplastic lead alloys

Country Status (11)

Country Link
US (1) US3706605A (en)
JP (1) JPS535249B1 (en)
AU (1) AU442928B2 (en)
BE (1) BE773530A (en)
CA (1) CA951941A (en)
DE (1) DE2149546C3 (en)
FR (1) FR2111016A5 (en)
GB (1) GB1330388A (en)
IT (1) IT944706B (en)
LU (1) LU64014A1 (en)
NL (1) NL164612C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140553A (en) 1974-12-30 1979-02-20 Mitsubishi Jukogyo Kabushiki Kaisha Method for toughening treatment of metallic material

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953244A (en) * 1973-01-31 1976-04-27 St. Joe Minerals Corporation Method of fabricating stable wrought lead-calcium-tin alloys by means of cold working
US3959016A (en) * 1973-12-26 1976-05-25 The Furukawa Electric Co., Ltd. Method for manufacturing lead grid plates for batteries
US4228580A (en) * 1978-09-11 1980-10-21 General Motors Corporation Process for making wrought, lead-calcium battery grid alloy having high temperature tensile strength stability
US4279977A (en) * 1978-09-11 1981-07-21 General Motors Corporation Lead-calcium-tin battery grid
ZA803745B (en) * 1979-06-29 1982-01-27 Chloride Group Ltd Electric storage batteries
JPS5678074A (en) * 1979-11-28 1981-06-26 Japan Storage Battery Co Ltd Expanded grid for lead acid battery
US4358518A (en) * 1980-05-27 1982-11-09 General Motors Corporation Wrought lead-calcium-strontium-tin (±barium) alloy for battery components

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2189064A (en) * 1934-11-10 1940-02-06 Western Electric Co Hard lead alloys and methods of making such alloys
US3420717A (en) * 1966-03-28 1969-01-07 Ibm Metal softening process and product thereof
US3519503A (en) * 1967-12-22 1970-07-07 United Aircraft Corp Fabrication method for the high temperature alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140553A (en) 1974-12-30 1979-02-20 Mitsubishi Jukogyo Kabushiki Kaisha Method for toughening treatment of metallic material

Also Published As

Publication number Publication date
US3706605A (en) 1972-12-19
NL164612B (en) 1980-08-15
AU3419071A (en) 1973-04-12
BE773530A (en) 1972-01-31
LU64014A1 (en) 1972-04-12
DE2149546C3 (en) 1981-04-23
NL164612C (en) 1981-01-15
IT944706B (en) 1973-04-20
DE2149546A1 (en) 1972-04-06
CA951941A (en) 1974-07-30
NL7113384A (en) 1972-04-07
DE2149546B2 (en) 1976-03-18
JPS535249B1 (en) 1978-02-25
FR2111016A5 (en) 1972-06-02
AU442928B2 (en) 1973-12-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee