TY - JOUR
T1 - Development of Micro-shear Fatigue Test and its Application to Single Crystal of Pure Iron
AU - Hayakawa, M.
AU - Nakayama, E.
AU - Okamura, K.
AU - Yamamoto, M.
AU - Shizawa, K.
N1 - Publisher Copyright:
© 2016 The Author(s).
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016
Y1 - 2016
N2 - In this study, a new fatigue testing method under shear and axial loading was developed for small specimens (3mm long and 0.3mm thick). The method was applied to a single crystal of pure iron and extra-low carbon steel in order to investigate the effect of shear and normal stress on cyclic slip activity. The specimen was sufficiently small to be prepared from a single crystal, aiming at a specific slip system in the shear loading direction. Moreover, the specimen had a single edge notch, which was designed to generate both pure shear stress and normal stress. Using this testing method, shear fatigue strength with a static normal stress on the slip system [111] was evaluated, and the fatigue strength was compared with that of polycrystalline ferrite steel with static axial loading.
AB - In this study, a new fatigue testing method under shear and axial loading was developed for small specimens (3mm long and 0.3mm thick). The method was applied to a single crystal of pure iron and extra-low carbon steel in order to investigate the effect of shear and normal stress on cyclic slip activity. The specimen was sufficiently small to be prepared from a single crystal, aiming at a specific slip system in the shear loading direction. Moreover, the specimen had a single edge notch, which was designed to generate both pure shear stress and normal stress. Using this testing method, shear fatigue strength with a static normal stress on the slip system [111] was evaluated, and the fatigue strength was compared with that of polycrystalline ferrite steel with static axial loading.
KW - Multiaxial fatigue
KW - Shear fatigue strength
KW - Single-crystal iron
KW - Slip plane
KW - Small specimen
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U2 - 10.1016/j.proeng.2016.08.877
DO - 10.1016/j.proeng.2016.08.877
M3 - Conference article
AN - SCOPUS:84992560982
SN - 1877-7058
VL - 160
SP - 167
EP - 174
JO - Procedia Engineering
JF - Procedia Engineering
T2 - 18th International Colloquium on Mechanical Fatigue of Metals, ICMFM XVIII 2016
Y2 - 5 September 2016 through 6 September 2016
ER -