The Need for Biaxial Fatigue Testing at A.R.L

Abstract : The need for biaxial fatigue testing at ARI (Aeronautical Research Laboratories) is discussed. The acquisition of a facility is based on the grounds of improving fatigue and fracture prediction in aircraft, and enhancing ARL's capability of responding to Service problems. Partial Contents: Regions of Multidirectional Stress in Aircraft; Multiaxial Fatigue and Fibre Composite Materials; Current Tasks for Which a Biaxial Test Facility is Essential or Desirable; and Proposed Biaxial Fatigue Machine.