A Study of Internal-Friction Peaks in Type 304 Stainless Steel Containing Nitrogen

J. Eckel; C. Manning

doi:10.1520/STP43759S

SYMPOSIA PAPER Published: 01 January 1965

STP43759S

A Study of Internal-Friction Peaks in Type 304 Stainless Steel Containing Nitrogen

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Internal-friction studies were made on 304 austenitic stainless steel to determine if this is a valid method for measuring interstitial diffusion in face-centered metals and alloys. Both unnitrided and nitrided 304 stainless steel wires were tested in a torsional pendulum at frequencies from 0.33 to 1.1 cps. Internal-friction spectra were recorded and analyzed. The conclusions reached were that interstitial atoms can cause relaxation peaks to appear on the internal-friction spectra and that the observed peaks were much broader than nitrogen-induced peaks in body-centered cubic materials.

Author Information

Eckel, J., F.

Virginia Polytechnic Inst., Blacksburg, Va.

Manning, C., R.

National Aeronautical Space Administration, Langley Field, Va.

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Developed by Committee: A01

Pages: 342–347

DOI: 10.1520/STP43759S

ISBN-EB: 978-0-8031-6001-9

ISBN-13: 978-0-8031-6155-9

A Study of Internal-Friction Peaks in Type 304 Stainless Steel Containing Nitrogen

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