GB544969A - Improved porous metal articles and methods of making the same - Google Patents

Improved porous metal articles and methods of making the same

Info

Publication number
GB544969A
GB544969A GB3750/41A GB375041A GB544969A GB 544969 A GB544969 A GB 544969A GB 3750/41 A GB3750/41 A GB 3750/41A GB 375041 A GB375041 A GB 375041A GB 544969 A GB544969 A GB 544969A
Authority
GB
United Kingdom
Prior art keywords
particles
sintering
grain sizes
porous metal
agitating
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
GB3750/41A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB544969A publication Critical patent/GB544969A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)

Abstract

544,969. Filters. GENERAL MOTORS CORPORATION. March 19, 1941, No. 3750. Convention date, March 27, . 1940. Drawings to Specification. [Class 46] [Also in Groups II and XXXIV] Porous metal articles such as filter elements, having varying porosities from one side to another either gradually or in steps, are made by depositing on each other metal particles of different grain sizes and sintering them together. The sintering may be effected in stages after successive deposition of layers of different grain sizes. Deposition may be effected by agitating a mixture of metal powders of varying grain sizes in air or in a liquid such as an organic liquid and causing the particles to settle by gravity, or by distributing a layer of mixed particles on a supporting surface and agitating the surface mechanically or electrically. The particles may be deposited on a backing such as of steel, which may be perforated or may have a plated or oxidized surface, and the sintering may bond the mass to the backing. Successive layers may be of different compositions. The. production of bronze articles from copper-tin powders is referred to.
GB3750/41A 1940-03-27 1941-03-19 Improved porous metal articles and methods of making the same Expired GB544969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US544969XA 1940-03-27 1940-03-27

Publications (1)

Publication Number Publication Date
GB544969A true GB544969A (en) 1942-05-05

Family

ID=21991497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3750/41A Expired GB544969A (en) 1940-03-27 1941-03-19 Improved porous metal articles and methods of making the same

Country Status (1)

Country Link
GB (1) GB544969A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226263A (en) * 1960-07-20 1965-12-28 Leesona Corp Fuel cell electrodes
US3336134A (en) * 1960-12-14 1967-08-15 Gen Electric Foam material
US3360348A (en) * 1964-05-15 1967-12-26 Siemens Ag Composite structure of inter-bonded metals for heavy-duty electrical switch contacts
US3471287A (en) * 1966-06-29 1969-10-07 Leesona Corp Process of making multiporous fuel cell electrodes
FR2595795A1 (en) * 1986-03-12 1987-09-18 Pelier Philippe Capillary water evaporator element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226263A (en) * 1960-07-20 1965-12-28 Leesona Corp Fuel cell electrodes
US3336134A (en) * 1960-12-14 1967-08-15 Gen Electric Foam material
US3360348A (en) * 1964-05-15 1967-12-26 Siemens Ag Composite structure of inter-bonded metals for heavy-duty electrical switch contacts
US3471287A (en) * 1966-06-29 1969-10-07 Leesona Corp Process of making multiporous fuel cell electrodes
FR2595795A1 (en) * 1986-03-12 1987-09-18 Pelier Philippe Capillary water evaporator element

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