Application Research of Memory Alloy Washer on Power Equipment Safety and Energy Saving

Abstract:

Contact resistance is an essential cause of electrical equipment joint heating. An experimental platform was built to measure and compare temperature and contact resistance of memory alloy spring washers and ordinary spring washers when heated by taking the same heavy current, on condition that both of the counterparts had the same initial contact resistance and temperature. Results showed that memory alloy washer were more helpful to limit the joint temperature rise by reducing contact resistance from their features of tempting to restore to original shape when heated to a high temperature. Therefore, the memory alloy washers were proved to have remarkable effect on ensuring safety of electric power equipments and reducing energy loss.

• Periodical: Advanced Materials Research (Volume 842)
• Pages: 719-724
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.842.719
• Online since: November 2013
• Authors: Tian Xiang Chen, Xiao Lin Fang*, Hong Tian
• Keywords: Contact Resistance, Energy Saving, Equipment Safety, Joint Heating, Memory Alloys Washer

References

[1] Li Shang: The Electrician Garden. Vol. 10 (2002), pp.26-27, In Chinese.

[2] Jie Yang, Yuehua Wu: Shape Memory Alloys and Their Applications, volume 1 of The Introduction, chapter, 2, University of Science and Technology of China Publisher (1993), In Chinese.

[3] Weihong Guo, Jikui Wang: Modern Functional Materials and Applications, volume 11 of Smart Materials and structures, chapter, 3, Chemical industry Publisher (2002), In Chinese.

[4] Lei Li: The Study on the Effect of Cold-deformation and Heat-treatment on the Phase Transformation and Super-elastic of TiNiCr Shape Memory Alloys, Journal of Jiangsu University, 2008, In Chinese.

[5] Cong Xu, Yifeng Zeng, Huilong Yan: Grand Weekly. Vol. 12 (2012), p.148, In Chinese.