Mechanical Behavior of A Cu-Al-Be Shape Memory Alloy Under Multiaxiel Proportional and Nonproportional Loadings  

Oleh:

Calloch, Sylvain ; Lexcellent, Christian ; Bouvet, Christophe

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Engineering Materials and Technology vol. 124 no. 2 (2002), page 112-134.
Topik: MECHANICAL; mechanical behaviour; memory alloy; multiaxiel; proportional; loadings

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ87.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This paper is concerned with the mechanical behavior of a Cu - Al - Be Shape Memory Alloy (SMA). A large experimental database, made of tension -internal pressure tests and biaxial compressive tests, is reported. Particular attention is paid to the behaviour of the material under multiaxial proportional and non proportional loadings. Moreover, these two types of complementary tests allow for the determination, on the one hand, of the shape of the initial surface of transformation onset and, on the other hand, of the initial direction of the transformation strain rate. A generalized macroscopic J(2)-J(3) criterion to describe the transformation onset is proposed and identified.

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