Influence of width of specimen on tensile properties of NiCo thin film

Jun Hyub Park, Joong Hyok An, Yun Bae Jeon, Yun-Jae Kim, Yong Hak Huh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper represents the results of tensile test for NiCo thin films, to investigate the size effect on tensile properties. An axial loading tensile tester developed by authors was used to measure the mechanical characteristics of thin film materials. The tester has a load cell with maximum capacity of 0.5N and a non-contact position measuring system based on the principle of capacitance micrometry. The "dog-bone" type specimen was designed and fabricated by electroplating process. The 50 and 150μm width of reduced section respectively were designed on 6 in. wafer. The length of reduced section is 1,000μm and the radius of the blending fillet is 1,000μm to minimize a stress concentration of the specimen. The thickness is 10μm. The elastic moduli of NiCo thin film were about 18 ± 4.1GPa for 50μm width and about 148 ± 8.4GPa for 150μm width. The ultimate tensile strength for the width of 50 and 150μm were 2,431±87.8 and 2,348±93.3MPa, respectively. However, the difference between tensile strengths is a little, as 3.3%.

Original languageEnglish
Title of host publicationEngineering Against Fracture - Proceedings of the 1st Conference
PublisherSpringer Science+Business Media B.V.
Pages93-102
Number of pages10
Publication statusPublished - 2009 Jan 1
Event1st International Conference of Engineering Against Fracture, ICEAF 2008 - Patras, Greece
Duration: 2008 May 282008 May 30

Other

Other1st International Conference of Engineering Against Fracture, ICEAF 2008
CountryGreece
CityPatras
Period08/5/2808/5/30

Fingerprint

Tensile Strength
films (materials)
Electroplating
Elastic Modulus
Weight-Bearing
tensile strength
bone types
Dogs
Bone and Bones
radius (bone)
capacitance
fillets
type collections
modulus of elasticity
dogs
testing
cells

Keywords

  • MEMS applications
  • Micro-tensile stress-strain curves
  • NiCo thin films

ASJC Scopus subject areas

  • Food Science

Cite this

Park, J. H., An, J. H., Jeon, Y. B., Kim, Y-J., & Huh, Y. H. (2009). Influence of width of specimen on tensile properties of NiCo thin film. In Engineering Against Fracture - Proceedings of the 1st Conference (pp. 93-102). Springer Science+Business Media B.V..

Influence of width of specimen on tensile properties of NiCo thin film. / Park, Jun Hyub; An, Joong Hyok; Jeon, Yun Bae; Kim, Yun-Jae; Huh, Yong Hak.

Engineering Against Fracture - Proceedings of the 1st Conference. Springer Science+Business Media B.V., 2009. p. 93-102.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Park, JH, An, JH, Jeon, YB, Kim, Y-J & Huh, YH 2009, Influence of width of specimen on tensile properties of NiCo thin film. in Engineering Against Fracture - Proceedings of the 1st Conference. Springer Science+Business Media B.V., pp. 93-102, 1st International Conference of Engineering Against Fracture, ICEAF 2008, Patras, Greece, 08/5/28.
Park JH, An JH, Jeon YB, Kim Y-J, Huh YH. Influence of width of specimen on tensile properties of NiCo thin film. In Engineering Against Fracture - Proceedings of the 1st Conference. Springer Science+Business Media B.V. 2009. p. 93-102
Park, Jun Hyub ; An, Joong Hyok ; Jeon, Yun Bae ; Kim, Yun-Jae ; Huh, Yong Hak. / Influence of width of specimen on tensile properties of NiCo thin film. Engineering Against Fracture - Proceedings of the 1st Conference. Springer Science+Business Media B.V., 2009. pp. 93-102
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