Surface Roughness Pattern Measurement of Tensile Specimen by Using Digital Holography

Kyeong Suk Kim; Dong Pyo Hong; Man Yong Choi; Hyun Chul Jung; Dong Soo Kim; Sung Won La; Ho Seob Chang

doi:10.4028/www.scientific.net/AMR.97-101.4387

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Surface Roughness Pattern Measurement of Tensile...

Surface Roughness Pattern Measurement of Tensile Specimen by Using Digital Holography

Abstract:

The objective of this paper is measurement of the surface roughness of tensile specimens under different tensile speed. In the test, the tensile specimens were loaded by tensile testing machine. The roughness of the surfaces was measured by digital holographic interferometric system (DHI). From the results, it was confirmed that DHI could measure the roughness of the various types of the specimen surface. In this paper, as the tensile speed was faster, the roughness of specimen surface was smaller.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

4387-4392

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.4387

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Online since:

March 2010

Authors:

Kyeong Suk Kim, Dong Pyo Hong, Man Yong Choi, Hyun Chul Jung, Dong Soo Kim, Sung Won La, Ho Seob Chang

Keywords:

Digital Holographic Interferometer, Surface Roughness (SR), Tensile Testing Machine

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