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The effect of magnetic stress and stiffness modulus on resonant characteristics of Ni–Mn–Ga ferromagnetic shape memory alloy actuators

✍ Scribed by Ratchatee Techapiesancharoenkij; Jari Kostamo; Samuel M. Allen; Robert C. O'Handley

Book ID
113725035
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
630 KB
Volume
323
Category
Article
ISSN
0304-8853

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✍ Feng Xiong; Yong Liu 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 565 KB

The Ni-Mn-Ga shape memory ferromagnetic shape memory alloys (FSMAs) are prone to fracture during thermal cycling. The present research shows that the primary reason for the thermally induced fracture of Ni-Mn-Ga FSMAs is the increase in the crack tip stress-intensity factor (SIF) due to stress redis