Micropatterning kinetics of different glass-forming systems investigated by thermoplastic net-shaping
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In: Scripta materialia, Vol. 137.2017, No. August, 31.08.2017, p. 127-131.
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TY - JOUR
T1 - Micropatterning kinetics of different glass-forming systems investigated by thermoplastic net-shaping
AU - Sarac, Baran
AU - Bera, Supriya
AU - Spieckermann, Florian
AU - Balakin, Sascha
AU - Stoica, Mihai
AU - Calin, Mariana
AU - Eckert, Jürgen
PY - 2017/8/31
Y1 - 2017/8/31
N2 - The formability difference between good and marginal glass-forming systems is investigated by micro-surface patterning of hierarchical features using thermoplastic net-shaping (TPN). For each alloy, a remarkable change in the flow behaviour is observed as the applied force along with the pressing time and temperature are optimized. The flow kinetics of glassy alloys with different glass-forming abilities is best described by the formability parameter S, which is defined by the ratio of the width of the supercooled to undercooled liquid region (T l - T g)/(T x - T g). Reproducible micro-engineered surfaces with high uniformity can be established by controlled TPN processing.
AB - The formability difference between good and marginal glass-forming systems is investigated by micro-surface patterning of hierarchical features using thermoplastic net-shaping (TPN). For each alloy, a remarkable change in the flow behaviour is observed as the applied force along with the pressing time and temperature are optimized. The flow kinetics of glassy alloys with different glass-forming abilities is best described by the formability parameter S, which is defined by the ratio of the width of the supercooled to undercooled liquid region (T l - T g)/(T x - T g). Reproducible micro-engineered surfaces with high uniformity can be established by controlled TPN processing.
KW - Formability kinetics
KW - Glass-forming ability
KW - Supercooled liquid fragility
KW - Thermophysical properties
KW - Thermoplastic net-shaping
UR - http://www.scopus.com/inward/record.url?scp=85017480501&partnerID=8YFLogxK
U2 - 10.1016/j.scriptamat.2017.02.038
DO - 10.1016/j.scriptamat.2017.02.038
M3 - Article
AN - SCOPUS:85017480501
VL - 137.2017
SP - 127
EP - 131
JO - Scripta materialia
JF - Scripta materialia
SN - 1359-6462
IS - August
ER -
