MATEC Web of Conferences
Volume 21, 20154th International Conference on New Forming Technology (ICNFT 2015)
|Number of page(s)||5|
|Section||Materials and Characterisations|
|Published online||10 August 2015|
Study on elastic-plastic behaviour of inclusions in cold drawn wire by using reverse analysis and nanoindentation test
1 PNU-IFAM JRC, Pusan National University, Geumjeong-gu, Busan, Korea
2 Dongnam Regional Division, Korea Institute of Industrial Technology, Gangseo-gu, Busan, Korea
3 School of Mechanical Engineering, Pusan National University, Geumjeong-gu, Busan, Korea
4 ERC/ITAF, Pusan National University, Geumjeong-gu, Busan, Korea
a Corresponding author: e-mail: firstname.lastname@example.org
The purpose of this study is to investigate the elastic-plastic behavior of inclusions, i.e. SiO2 particles, in cold drawn wire using reverse analysis and nanoindentation test. First, the nanoindentation tests were performed to obtain indentation load P – penetration depth h curves. Second, the reverse analysis which is consisted of various dimensionless functions including change in E∗/σr, Wp/Wt and n was used to extract the elastic-plastic properties of the indented inclusions and metals from indentation responses. To verify the accuracy of calculated properties, uniaxial tensile tests were performed for different materials which are AISI 1045 and AISI 1080. Results (E, σy, n) of tensile tests for each material were also compared with those of nanoindentation tests.
© Owned by the authors, published by EDP Sciences, 2015
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