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ASTM Standard addresses fretting fatigue testing.

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March 11, 2011 - Developed by Subcommittee E08.05 on Cyclic Deformation and Fatigue Crack Formation, ASTM E2789 provides insight on what conditions promote fretting fatigue and offers approaches to design an experiment to assess the fretting fatigue response of 2 materials in contact. Examples of fretting fatigue include dovetail connection between blade and disc of gas turbine, components in contact in riveted and bolted joints, and components that are press-fit or clamped to another component.

Fretting Fatigue Testing is Subject of New ASTM International Standard


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ASTM International
100 Barr Harbor Dr., Box C700
West Conshohocken, PA, 19428-2959
USA



Press release date: March 9, 2011

W. CONSHOHOCKEN, Pa., - Fatigue fretting is the process of crack formation and progressive crack growth at a location in a mechanical system where two components are in contact and undergoing a vibratory loading. A new ASTM International standard provides insight on what conditions promote fretting fatigue and offers approaches to design an experiment to assess it. ASTM E2789, Guide for Fretting Fatigue Testing, was developed by Subcommittee E08.05 on Cyclic Deformation and Fatigue Crack Formation, part of ASTM International Committee E08 on Fatigue and Fracture. "There are no standards for conducting and analyzing fretting fatigue tests," says Richard W. Neu, Ph.D., professor of mechanical engineering, Georgia Institute of Technology, and a member of E08.05. "This guide serves as a starting point for someone who desires to evaluate the fretting fatigue response of two materials in contact." According to Neu, examples of fretting fatigue include the dovetail connection between a blade and disc of a gas turbine, the various components in contact in riveted and bolted joints and components that are press-fit or clamped in some way to another component. In addition to those in industry who are facing a fretting fatigue problem, Neu says that ASTM E2789 will be useful to researchers interested in developing a program dealing with fretting fatigue and fretting wear. Anyone developing more specific test methods that involve fretting will also find value in ASTM E2789. To purchase ASTM standards, visit www.astm.org and search by the standard designation number, or contact ASTM Customer Relations (phone: 610-832-9585; service@astm.org). ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit www.astm.org/JOIN. ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions. View this release on the ASTM Web site at www.astmnewsroom.org. ASTM Committee E08 Next Meeting: May 16-20, May Committee Week, Anaheim, Calif.
Technical Contact: Richard W. Neu, Georgia Institute of Technology, Atlanta, Ga., Phone: 404-894-3074; rick.neu@gatech.edu
ASTM Staff Contact: Jeff Adkins, Phone: 610-832-9738; jadkins@astm.org
ASTM PR Contact: Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org

www.astm.org
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