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Effect Of Deformation Schedule On The Microstructure And Mechanical Properties Of A Thermomechanically Processed C-Mn-Si Transformation-Induced Plasticity Steel, I B. Timokhina, P D. Hodgson, E V. Pereloma
Effect Of Deformation Schedule On The Microstructure And Mechanical Properties Of A Thermomechanically Processed C-Mn-Si Transformation-Induced Plasticity Steel, I B. Timokhina, P D. Hodgson, E V. Pereloma
Faculty of Engineering and Information Sciences - Papers: Part A
Thermomechanical processing simulations were performed using a hot-torsion machine, in order to develop a comprehensive understanding of the effect of severe deformation in the recrystallized and nonrecrystallized austenite regions on the microstructural evolution and mechanical properties of the 0.2 wt pct C-1.55 wt pct Mn-1.5 wt pct Si transformation-induced plasticity (TRIP) steel. The deformation schedule affected all constituents (polygonal ferrite, bainite in different morphologies, retained austenite, and martensite) of the multiphased TRIP steel microstructure. The complex relationships between the volume fraction of the retained austenite, the morphology and distribution of all phases present in the microstructure, and the mechanical properties …
Zinc Doping Effects On The Structure, Transport And Magnetic Properties Of La0.7sr0.3mn1-Xznxo3 Manganite Oxide, E V. Sotirova-Haralambeva, Xiaolin Wang, Hua-Kun Liu, Tania M. Silver, Konstantin Konstantinov, Josip Horvat
Zinc Doping Effects On The Structure, Transport And Magnetic Properties Of La0.7sr0.3mn1-Xznxo3 Manganite Oxide, E V. Sotirova-Haralambeva, Xiaolin Wang, Hua-Kun Liu, Tania M. Silver, Konstantin Konstantinov, Josip Horvat
Australian Institute for Innovative Materials - Papers
The processing, microstructures and properties of La0.7Sr0.3Mn1−xZnxO3 perovskite manganite, with x=0, 0.1, 0.2, and 0.3 have been investigated. X-ray diffraction, scanning electron microscopy (SEM) and other characterisation methods were used to study the relations of microstructure and properties. The X-ray powder diffraction results show a single phase for the 0<x<0.3 region that confirms the zinc incorporation into the Mn site. The SEM images with magnification 1500× indicate that the studied system is a single phase. The transport measurements show decreasing of insulator to metal transition temperature, Tt, with increasing the zinc concentration on the Mn site, while the resistivity increases with …
Improving The Mechanical Properties Of Single-Walled Carbon Nanotube Sheets By Intercalation Of Polymeric Adhesives, Jonathan N. Coleman, Werner J. Blau, Alan B. Dalton, Edgar Munoz, Steve Collins, Bog G. Kim, Joselito M. Razal, Miles Selvidge, Guillermo Vieiro, Ray Baughman
Improving The Mechanical Properties Of Single-Walled Carbon Nanotube Sheets By Intercalation Of Polymeric Adhesives, Jonathan N. Coleman, Werner J. Blau, Alan B. Dalton, Edgar Munoz, Steve Collins, Bog G. Kim, Joselito M. Razal, Miles Selvidge, Guillermo Vieiro, Ray Baughman
Australian Institute for Innovative Materials - Papers
Organic polymers, such as poly(vinyl alcohol), poly(vinyl pyrrolidone), and poly(styrene), were intercalated into single-walled carbon nanotube sheets by soaking the sheets in polymer solutions. Even for short soak times, significant polymer intercalation into existing free volume was observed. Tensile tests on intercalated sheets showed that the Young's modulus, strength, and toughness increased by factors of 3, 9, and 28, respectively, indicating that the intercalated polymer enhances load transmission between nanotubes.