The Welding Institute

Edward D Nicholas

Wayne M Thomas

Christopher J Dawes

Stephen B Jones

James C Needham

Michael G Murch

Peter Temple-Smith

Roger H Lilley

Richard E Dolby

Friction forming

Friction welding

A method of forming or reforming a composite material comprises relatively rotating a pair of members (2,3) while urging them together under pressure so as to mix or remix together the materials (1) making up the composite. The urging direction is substantially parallel with the axis of relative rotation. The composite is then extruded (7).

Forming metallic composite materials by urging base materials together

A method of providing a material, typically a metal, surface on a substrate (1), comprises applying a consumable member (4) to the substrate (1) under pressure. The member (4) and substrate (1) are moved relative to one another along an arcuate path. Heat is generated at the interface between the member and the substrate so that material is laid down on the substrate along the path. The movement of the metal member (4) typically includes one or more cyclic components.

Surfacing method

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Suffolk, United Kingdom

Edward D Nicholas