Could you suggest some applications where Shape Memory Alloys (SMAs) have utilized the FGM concept in its manufacturing.
Dear Manu Sam, important application of functionally graded materials in the production of SMAs one can find in orthopaedic stomatology for dental correction of teeth. The innovative brackets should be fabricated from FGM consisting of core part made of NiTi alloy having high modulus of elasticity and outer layers of bioinert polymer with gradient of elastic modulus for deformational compatibility and smooth trasferring of correctional force on the tooth.
Once again, there are some interesting tribological applications of FGM with SMA components in MEMS such as smart composite switch made of anode aluminium oxide (nanostructured graded coating) on the SMA actuator as well as controlled gas sensor made of anode aluminium oxide too.
You understand that devices fabricated from graded materials demonstrates better mechanical and antifrictional characteristics in comparison with homogenious prototypes.
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https://www.nature.com/articles/nmat4544
https://www.nature.com/articles/srep31110
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