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Ahn, Tae-Hong Lee, Sung Bo Park, Kyung-Tae Oh, Kyu Hwan and Han, Heung Nam 2014. Strain-induced ε-martensite transformation during nanoindentation of high-nitrogen steel. Materials Science and Engineering: A, Vol. 598, Issue. , p. 56.
Han, Do Kyeong Kim, Yong Min Han, Heung Nam Bhadeshia, H.K.D.H. and Suh, Dong-Woo 2014. Hydrogen and aluminium in high-manganese twinning-induced plasticity steel. Scripta Materialia, Vol. 80, Issue. , p. 9.
Laplanche, G. Pfetzing-Micklich, J. and Eggeler, G. 2014. Sudden stress-induced transformation events during nanoindentation of NiTi shape memory alloys. Acta Materialia, Vol. 78, Issue. , p. 144.
He, B.B. Liang, Z.Y. and Huang, M.X. 2018. Nanoindentation investigation on the initiation of yield point phenomenon in a medium Mn steel. Scripta Materialia, Vol. 150, Issue. , p. 134.
Shen, Zhengyan Wang, Bilei Liang, Gaofei Zhang, Yunhu Han, Ke and Song, Changjiang 2018. Grain Boundary Pop-in, Yield Point Phenomenon and Carbon Segregation in Aged Low Carbon Steel. ISIJ International, Vol. 58, Issue. 2, p. 373.
Khosravani, Ali Morsdorf, Lutz Tasan, Cemal Cem and Kalidindi, Surya R. 2018. Multiresolution mechanical characterization of hierarchical materials: Spherical nanoindentation on martensitic Fe-Ni-C steels. Acta Materialia, Vol. 153, Issue. , p. 257.
Rezayat, H. Ghassemi-Armaki, H. Bhat, S. P. Sriram, S. and Babu, S. S. 2019. Constitutive properties and plastic instabilities in the heat-affected zones of advanced high-strength steel spot welds. Journal of Materials Science, Vol. 54, Issue. 7, p. 5825.
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Pop-ins on nanoindentation load–displacement curves of a ferritic steel were correlated with yield drops on its tensile stress–strain curves. To investigate the relationship between these two phenomena, nanoindentation and tensile tests were performed on annealed specimens, prestrained specimens, and specimens aged for various times after prestraining. Clear nanoindentation pop-ins were observed on annealed specimens, which disappeared when specimens were indented right after the prestrain, but reappeared to varying degrees after strain aging. Yield drops in tensile tests showed similar disappearance and appearance, indicating that the two phenomena, at the nano- and macro-scale, respectively, are closely related and influenced by dislocation locking by solutes (Cottrell atmospheres).
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