Transcription of Avoiding knife-edge countersinks in GLARE through dimpling
{{id}} {{{paragraph}}}
Example: barber
Avoiding knife-edge countersinks in GLARE through dimpling
Page 1 of 21 Avoiding knife -edge countersinks in GLARE through dimpling Submitted to Fatigue and Fracture of Engineering Materials and Structures on March 4, 2004 C. Rans*, Straznicky Department of Mechanical and Aerospace Engineering Carleton University 1125 Colonel By Drive Ottawa, Ontario, Canada, K1S 5B6 ABSTRACT Traditional machine countersinking practices create a knife -edge condition in one or more of the outer aluminum layers in riveted GLARE joints. Press countersinking ( dimpling ) provides an alternative method of countersinking that prevents the formation of a knife -edge; however, its application and potential benefits to fatigue performance in GLARE are not known. This paper investigates the dimple forming process and its application to GLARE , and the resulting benefits in fatigue crack initiation life in unfilled rivet holes. Initial results showed that the limited formability of GLARE complicates the dimpling process, but that dimpling shows promise as a method for increasing the crack initiation life of riveted GLARE joints.
Page 1 of 21 Avoiding knife-edge countersinks in GLARE through dimpling Submitted to Fatigue and Fracture of Engineering Materials and Structures on March 4, 2004 C. Rans*, P.V. Straznicky Department of Mechanical and Aerospace Engineering
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: