Influence of stresses on martensitic transformation in ferromagnetic shape memory Ni50Mn19Fe6Ga25ribbons
β Scribed by Fanbin Meng; Yangxian Li; Heyan Liu; Jingping Qu; Zhuhong Liu; Jinglan Chen; Guangheng Wu
- Book ID
- 111784475
- Publisher
- SP Science China Press
- Year
- 2004
- Tongue
- English
- Weight
- 216 KB
- Volume
- 47
- Category
- Article
- ISSN
- 1006-9321
- DOI
- 10.1360/03ye0575
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The effects of rare earth Dy addition on microstructure and martensitic transformation of polycrystalline Ni 50 Mn 29 Ga 21-x Dy x (numbers indicate at.%) shape memory alloys were investigated by means of scanning electron microscopy, energy dispersive X-ray spectroscopy, differential scanning calor
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