Research output: Contribution to journal › Article › peer-review
Parametric investigation on laser micro-patterned CuAlNi Shape-memory alloy (SMA) bimorph micromirror and its actuation performance. / Jayachandran, S.; Karna, Pravin; Gangwar, Kaushal; Kaithwas, Ankit; Resnina, N.; Belyaev, S.; Palani, I. A.
In: Transactions of the Indian Institute of Metals, Vol. 74, No. 10, 10.2021, p. 2471-2480.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Parametric investigation on laser micro-patterned CuAlNi Shape-memory alloy (SMA) bimorph micromirror and its actuation performance
AU - Jayachandran, S.
AU - Karna, Pravin
AU - Gangwar, Kaushal
AU - Kaithwas, Ankit
AU - Resnina, N.
AU - Belyaev, S.
AU - Palani, I. A.
N1 - Publisher Copyright: © 2021, The Indian Institute of Metals - IIM.
PY - 2021/10
Y1 - 2021/10
N2 - In this work, Shape-memory alloy (SMA)-based micromirrors were fabricated and the actuation was controlled through thermal stimulus. The micromirrors play a significant role in scanning and light deflection in the MEMS field. The SMA micromirrors were developed by coating CuAlNi thin film on strained kapton polyimide substrate using thermal evaporation. Later patterns were made on micromirrors for transmission and reflection of the light beam during actuation. The displacement of each distinct pattern was explored at different voltages ranging from 1 to 3 V through Joule heating technique. The maximum displacement observed was 1.9 mm for deltoid-patterned micromirror at 3 V. The ladder pattern recorded the minimum deflection of 1.1 mm at 3 V. The shape recovery ratio analysis showed that deltoid pattern bimorph had the highest recovery of 1.656. Energy-Dispersive X-ray Spectroscopy (EDS) analysis showed that the composition was maintained after the deposition.
AB - In this work, Shape-memory alloy (SMA)-based micromirrors were fabricated and the actuation was controlled through thermal stimulus. The micromirrors play a significant role in scanning and light deflection in the MEMS field. The SMA micromirrors were developed by coating CuAlNi thin film on strained kapton polyimide substrate using thermal evaporation. Later patterns were made on micromirrors for transmission and reflection of the light beam during actuation. The displacement of each distinct pattern was explored at different voltages ranging from 1 to 3 V through Joule heating technique. The maximum displacement observed was 1.9 mm for deltoid-patterned micromirror at 3 V. The ladder pattern recorded the minimum deflection of 1.1 mm at 3 V. The shape recovery ratio analysis showed that deltoid pattern bimorph had the highest recovery of 1.656. Energy-Dispersive X-ray Spectroscopy (EDS) analysis showed that the composition was maintained after the deposition.
KW - CuAlNi
KW - Joule heating
KW - Micromirror
KW - Shape-memory alloy
KW - THIN-FILMS
UR - http://www.scopus.com/inward/record.url?scp=85114635011&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/cc3e35ee-7e62-3aab-b023-2a6dd8a9b4e7/
U2 - 10.1007/s12666-021-02403-6
DO - 10.1007/s12666-021-02403-6
M3 - Article
AN - SCOPUS:85114635011
VL - 74
SP - 2471
EP - 2480
JO - Transactions of the Indian Institute of Metals
JF - Transactions of the Indian Institute of Metals
SN - 0972-2815
IS - 10
ER -
ID: 86201127