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Your search keyword '"Dongil Kwon"' showing total 3 results
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3 results on '"Dongil Kwon"'

2. Determination of precise indentation flow properties of metallic materials through analyzing contact characteristics beneath indenter

Author

Sung-Hoon Kim, Min-Kyung Baik, and Dongil Kwon

Subjects
Composite materials -- Testing, Composite materials -- Properties, Finite element method, Science and technology
Abstract

Contact characteristics are determined by analysis of the contact morphology from FEA (finite element analysis) using mechanical property data for several steels. Suggestions are given to determine flow properties and they require the determination of the precise contact characteristics such as the contact area or depth between material and indenter to obtain the properties.

Published
2005

3. Determining Brinell hardness from analysis of indentation load-depth curve without optical measurement

Author

Sung-Hoon Kim, Erun-chae Jeon, and Dongil Kwon

Subjects
Sheet-metal -- Mechanical properties, Surfaces, Deformation of -- Testing, Hardness -- Testing, Stress analysis (Engineering), Science and technology
Abstract

The study examines obtaining Brinell hardness values without optical observation, using instead quantitative formulas and analyzing the relationship between the indentation depths from the indentation load-depth curve and mechanical properties such as the work-hardening exponent, yield strength and elastic modulus on the basis of finite-element analysis.

Published
2005

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