INTERNAL FRICTION IN SONOSTON - A HIGH DAMPING Mn/Cu-BASED ALLOY FOR MARINE PROPELLER APPLICATIONS

Abstract : Internal friction and Young's modulus changes over the range 10 to 600° C in laboratory cast samples of SONOSTON, a binary Mn-Cu alloy and samples cut from a 200-kg propeller blade cast from SONOSTON are compared. The high-damping state at room temperature in SONOSTON is very amplitude dependent, and the results are similar to those observed in ferromagnetic high-damping alloys. Besides the high-damping peak close to room temperature, there is a major relaxation peak in SONOSTON and in the binary Mn/Cu alloy at ~ 400°C. The 400°C peak is probably a Zener-type relaxation involving the stress-induced ordering of Mn atoms.
Document type :
Journal articles
Complete list of metadatas

https://hal.archives-ouvertes.fr/jpa-00225477
Contributor : Archives Journal de Physique <>
Submitted on : Tuesday, January 1, 1985 - 8:00:00 AM
Last modification on : Tuesday, January 1, 1985 - 8:00:00 AM
Long-term archiving on : Friday, April 30, 2010 - 10:24:43 PM

File

ajp-jphyscol198546C1092.pdf
Explicit agreement for this submission

Identifiers

Collections

AJP

Citation

I. Ritchie, K. Sprungmann, M. Sahoo. INTERNAL FRICTION IN SONOSTON - A HIGH DAMPING Mn/Cu-BASED ALLOY FOR MARINE PROPELLER APPLICATIONS. Journal de Physique Colloques, 1985, 46 (C10), pp.C10-409-C10-412. ⟨10.1051/jphyscol:19851092⟩. ⟨jpa-00225477⟩

Share

Metrics

Record views

290

Files downloads

600