GB874953A - Improvements relating to the production of metal articles with holes in them - Google Patents

Improvements relating to the production of metal articles with holes in them

Info

Publication number
GB874953A
GB874953A GB1427556A GB1427556A GB874953A GB 874953 A GB874953 A GB 874953A GB 1427556 A GB1427556 A GB 1427556A GB 1427556 A GB1427556 A GB 1427556A GB 874953 A GB874953 A GB 874953A
Authority
GB
United Kingdom
Prior art keywords
filler
billet
hole
core
cores
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
GB1427556A
Inventor
Campbell Clouston Horne
George Robert Stuart
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.)
Henry Wiggin and Co Ltd
Original Assignee
Henry Wiggin and Co Ltd
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 Henry Wiggin and Co Ltd filed Critical Henry Wiggin and Co Ltd
Priority to GB1427556A priority Critical patent/GB874953A/en
Priority to BE606938A priority patent/BE606938A/en
Publication of GB874953A publication Critical patent/GB874953A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B21C23/16—Making turbo blades or propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)

Abstract

874,953. Making turbine blades; destructive cores. WIGGIN & CO. Ltd., HENRY. May 8, 1957 [May 8, 1956], No. 14275/56. Classes 83 (2) and 83 (4). A method of leaching filler from a hole in an alloy article by an acid solution that attacks the filler exclusively or preferentially comprises inserting in the hole one or more wires which are substantially unattached by the acid during the process. A single wire may be inserted after some filler has been leached out to form a hole, and may be allowed to move freely so that it descends the hole under gravity as the filler is leached out, or it may be mechanically agitated. Preferably the wire or each wire is a core in the filler. A filler with one or more cores may he made by drilling a billet of filler material and inserting in the drilled billet one or more acid-resisting cores. The, whole may then be converted to rod and cut to the required length for insertion in a drilled hole in a billet from which a turbine blade or other article is to be formed. When a single wire is incorporated in a filler rod it is, preferably disposed asymmetrically; best results are obtained when more than one core is inserted in a billet of filler material, but the total area of core should not exceed 25% of that of the billet. The filler for turbine blades of nickel-chromiumcobalt alloy may be mild steel or 88% iron, 10% manganese, 2% titanium alloy. The core wires may be of a nickel base alloy containing about 15% chromium and 8% iron. Specifications 763,115 and 765,119 are referred to.
GB1427556A 1956-05-08 1956-05-08 Improvements relating to the production of metal articles with holes in them Expired GB874953A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1427556A GB874953A (en) 1956-05-08 1956-05-08 Improvements relating to the production of metal articles with holes in them
BE606938A BE606938A (en) 1956-05-08 1961-08-04 Improvements relating to the production of metal articles with holes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1427556A GB874953A (en) 1956-05-08 1956-05-08 Improvements relating to the production of metal articles with holes in them

Publications (1)

Publication Number Publication Date
GB874953A true GB874953A (en) 1961-08-16

Family

ID=10038217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1427556A Expired GB874953A (en) 1956-05-08 1956-05-08 Improvements relating to the production of metal articles with holes in them

Country Status (1)

Country Link
GB (1) GB874953A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497425A (en) * 1964-07-20 1970-02-24 Imp Metal Ind Kynoch Ltd Electrodes and methods of making same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497425A (en) * 1964-07-20 1970-02-24 Imp Metal Ind Kynoch Ltd Electrodes and methods of making same

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