Internal friction measurements for the β2→ζ2′ (trigonal) martensitic transformation and the ageing effect in a Au-49.5at%Cd alloy

Y. Murakami, K. Otsuka, H. Mizubayashi, Tetsuro Suzuki

Research output: Contribution to conferencePaper

4 Citations (Scopus)

Abstract

Internal friction measurements were carried out for the ζ2′ (trigonal) martensite in a Au-49.5at%Cd alloy, which exhibits the pronounced martensite ageing effect such as the appearance of the rubber-like behavior. A few types of the internal friction peaks were found for the ζ2′ martensite for the first time, i.e. a sharp λ-type peak around 300 K associated with the β2→ζ2′ martensitic transformation, a broad peak around 200 K which is thought to be due to the twin boundaries motion of the martensite variants, and two small peaks in the martensitic state around 260 K and 280 K which showed a characteristic feature as the relaxation type peak. The internal friction of the ζ2′ martensite was observed to decrease with ageing, which is possibly due to a fact that the twin boundaries of the martensite variants become less mobile with ageing.

Original languageEnglish
Pages225-232
Number of pages8
Publication statusPublished - Jan 1 1998
Externally publishedYes
EventProceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering - Urban, IL, USA
Duration: May 8 1996May 9 1996

Other

OtherProceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering
CityUrban, IL, USA
Period5/8/965/9/96

Fingerprint

Internal friction
Martensitic transformations
Martensite
Aging of materials
Rubber

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Murakami, Y., Otsuka, K., Mizubayashi, H., & Suzuki, T. (1998). Internal friction measurements for the β2→ζ2′ (trigonal) martensitic transformation and the ageing effect in a Au-49.5at%Cd alloy. 225-232. Paper presented at Proceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering, Urban, IL, USA, .

Internal friction measurements for the β2→ζ2′ (trigonal) martensitic transformation and the ageing effect in a Au-49.5at%Cd alloy. / Murakami, Y.; Otsuka, K.; Mizubayashi, H.; Suzuki, Tetsuro.

1998. 225-232 Paper presented at Proceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering, Urban, IL, USA, .

Research output: Contribution to conferencePaper

Murakami, Y, Otsuka, K, Mizubayashi, H & Suzuki, T 1998, 'Internal friction measurements for the β2→ζ2′ (trigonal) martensitic transformation and the ageing effect in a Au-49.5at%Cd alloy', Paper presented at Proceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering, Urban, IL, USA, 5/8/96 - 5/9/96 pp. 225-232.
Murakami Y, Otsuka K, Mizubayashi H, Suzuki T. Internal friction measurements for the β2→ζ2′ (trigonal) martensitic transformation and the ageing effect in a Au-49.5at%Cd alloy. 1998. Paper presented at Proceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering, Urban, IL, USA, .
Murakami, Y. ; Otsuka, K. ; Mizubayashi, H. ; Suzuki, Tetsuro. / Internal friction measurements for the β2→ζ2′ (trigonal) martensitic transformation and the ageing effect in a Au-49.5at%Cd alloy. Paper presented at Proceedings of the 1996 International Conference on Displacive Phase Transformations and their Applications in Materials Engineering, Urban, IL, USA, .8 p.
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