Title:
COMPOSITE PRODUCT AND MANUFACTURE
Document Type and Number:
Japanese Patent JPS58223676
Kind Code:
A
Abstract:
A method of making a lightweight component in which a core made from a ceramic or ceramic/metal mixture is surrounded with metal and the whole component subjected to a hot isostatic pressing process. Examples of articles given are balls for ball bearings, aerofoil shaped blades or vanes, and poppet valves. The core is generally pre-formed, and the metal may be in pre-pressed powder sheet metal form. In a method of making a ball bearing an Alumina sphere 1 is surrounded by pre-pressed Iron alloy powder in the form of hemispherical shells 2, placed in a glass, ceramic or metal can 3, which is evacuated and sealed, and subjected to hot isostatic pressure in a vessel 6 to form the composite ball. Alternative methods of manufacture are also described.
Inventors:
RARUFU AIBOO KONORII
Application Number:
JP3571983A
Publication Date:
December 26, 1983
Filing Date:
March 04, 1983
Export Citation:
Assignee:
ROLLS ROYCE
International Classes:
F16C33/32; B22F3/12; B22F5/04; B22F7/06; B32B9/04; B32B18/00; C22C33/02; F01D5/28; F16C33/04; (IPC1-7): B32B9/04; C04B39/00; F16C33/32
Attorney, Agent or Firm:
Kiyoshi Inomata