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TECHNICAL PAPERS

Relationship Between Rockwell C Hardness and Inelastic Material Constants

[+] Author and Article Information
Akihiko Hirano

Department of Automotive Engineering, Faculty of Junior College of Automotive Industry, Osaka Sangyo University, Junior College, 3-1-1, Nakagaito, Daito-shi, Osaka, 574-8530, Japane-mail: hirano@ojc.osaka-sandai.ac.jp

Masao Sakane

Department of Mechanical Engineering, Faculty of Science and Engineering, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu-shi, Shiga, 525-8577, Japane-mail: sakanem@se.ritsumei.ac.jp

Naomi Hamada

Department of Mechanical Engineering, Hiroshima Kokusai Gakuin University, 16-21, Nakano, Akiku, Hiroshima-shi, Hiroshima, 739-0321, Japane-mail: hamadan@m.hkg.ac.jp

J. Eng. Mater. Technol 124(2), 179-184 (Mar 26, 2002) (6 pages) doi:10.1115/1.1446863 History: Received March 15, 2001; Revised September 13, 2001; Online March 26, 2002
Copyright © 2002 by ASME
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References

Yoshizawa, T., 1967, Hardness Testing and Its Applications, Shokado Pub.
Karl,  E. R., Komvopoulos,  K., and Bogy,  D. B., 1993, “Elastic-Plastic Finite Element Analysis of Repeated Indentation of Half-Space by Rigid Sphere,” ASME J. Appl. Mech., 60, No. 4, pp 829–841.
Talijat,  B., Zacharia,  T., and Kosel,  F., 1998, “New Analytical Procedure to Determine Stress-Strain Curve From Spherical Indentation Data,” Int. J. Solids Struct., 35, No. 33, pp 4411–4426.
Hamada,  N., and Sakane,  M., 1999, “FEM Analysis for Brinell Hardness-The Effect of Inelastic Material Constants on Brinell Hardness,” Trans. Jpn. Soc. Mech. Eng., Ser. A, A63, No. 630, pp 254–260.
Marc, 1995, “Marc User Information K-6,” C3-177, 182.
“Rockwell Hardness Test” Japan Industrial Standards, JIS Z 2245, 1997.

Figures

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Meshes and indenter used for FE analyses. (a) 2D mesh, (b) 3D mesh, (c) composite elastic indenter of diamond and steel
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Relationship between penetration force and indenter displacement
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Effect of friction coefficient on indenter displacement and hardness
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Variations of indenter displacement and hardness with Young’s modulus
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Variations of indenter displacement and hardness with yield stress
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Variations of indenter displacement and hardness with strain hardening coefficient
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Variations of indenter displacement and hardness with strain hardening exponent
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Relationship between gradient α and yield stress
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Relationship between intercept β and yield stress
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Comparison of HRC between prediction from Eq. (6), FEM results, and experimental results for TAB6400, INCONEL718 and SCM430
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Variation of indenter displacement with thickness
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Extent of 0.2% plastic strain. (a)t=1.25 mm,(b)t=0.625 mm
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Relationship between indenter displacement and distance from specimen edge
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Extent of 0.2% plastic zone to specimen edge. (a)w=1.25 mm,(b)w=0.625 mm

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