Study and fabrication of a flexible Zr-based metallic glass thin film strain gauge

Yen Chi Lu, Chun Yu Chiang, Yu Chieh Chen, Yu Ching Lin, Takahito Ono, Yao Chuan Tsai

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Metallic glass is an amorphous structure and has excellent mechanical properties such as high strength, hardness and elastic strain limitation. In this study, a Zr-based metallic glass thin film was deposited on a polymer substrate using the sputter technique for strain gauge applications. A copper thin film strain gauge was fabricated to compare with the properties of the Zr-based strain gauge. Different thicknesses of the thin films were fabricated for comparison. The gauge factor of the Zr-based strain gauge is 2.4 times higher than that of the copper strain gauge. The temperature coefficient of resistance of the Zr-based metallic glass thin film is extremely low, 8 × 10-6 °C-1, which is essential to reduce thermal drift for strain gauge applications.

本文言語English
論文番号SIIG10
ジャーナルJapanese journal of applied physics
59
SI
DOI
出版ステータスPublished - 2020 6 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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