Results 131 to 140 of about 810 (184)

Wet-Spinning Carbon Nanotube/Shape Memory Polymer Composite Fibers with High Actuation Stress and Predesigned Shape Change. [PDF]

Adv Sci (Weinh)
Li M, Chen K, Zhang D, Ye Z, Yang Z, Wang Q, Jiang Z, Zhang Y, Shang Y, Cao A.   +9 more
europepmc   +1 more source

Processing-Microstructure-Performance Relations in Thermoformed Auxetic Hyperelastic Foams with Enhanced Energy Absorption Capacity. [PDF]

ACS Appl Polym Mater
Das B, Boyle B, Leoncini M, Youssef G, Koohbor B.   +4 more
europepmc   +1 more source

Strained two-dimensional tungsten diselenide for mechanically tunable exciton transport. [PDF]

Nat Commun
Kim JM, Jeong KY, Kwon S, So JP, Wang MC, Snapp P, Park HG, Nam S.   +7 more
europepmc   +1 more source

Identification of the Unloaded Heart Configuration Including External Interactions. [PDF]

Funct Imaging Model Heart
Jilberto J, Nordsletten D.
europepmc   +1 more source

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Prestrain, Cavitation, and Creep Ductility

Metal Science, 1974
AbstractSpecimens of Nimonic 80A have been prestrained in tension at room temperature by various amounts up to 15% elongation. Each prestrained specimen was crept at 750° C at one of two stresses, 154 N/mm2 or 460 N/mm2, which gave unprestrained creep lives of 1800 and 5 h, respectively. Some of the tests were interrupted after 160 h but most specimens
B. F. Dyson, M. J. Rodgers
openaire   +1 more source

Evolution of Carbides during Prestrain and Tempering

Materials Science Forum, 2021
The effect of thermo-mechanical treatment on the microstructural evolution of low carbon micro-alloyed high strength steel was studied by combining prestrain with tempering (PST) in this paper. It was found that the prestrain causes the dislocation to plug up around the grain boundary and carbide, resulting in carbide boundary fragmentation.
Wen Hong Ding, Bo Jiang, Chao Lei Zhang, Ya Zheng Liu, Li Sun, Tian Wu Liu, Zhi Qiang Zhang, Jin Pan   +7 more
openaire   +1 more source

Directional effects of prestrain in steel

Journal of Strain Analysis, 1971
Tension and compression tests were made on specimens cut from a steel plate which had been prestrained by 1·3 per cent, the specimens being at various angles to the prestraining axis. The Bauschinger effect was evident and a similar effect existed to a lesser degree for specimens with axes perpendicular to the straining direction ...
openaire   +1 more source

Plastic Instability of Prestrained Materials

1987
Summary The prediction of plastic instability of prestrained materials has often been based on damage and its evolution with strain history. It has been shown that the results, such as they appear on forming limit diagrams for instance, are Very sensitive to the models of plastic behavior that are considered. A knowledge of microstructural evolutions
J.H. SCHMITT, J. RAPHANEL, E. RAUCH, P. MARTIN   +3 more
openaire   +1 more source

Dynamic Prestraining of Dry Sand

Journal of the Soil Mechanics and Foundations Division, 1970
Dynamic prestraining is the application of vibratory shearing strains to soil that is acted upon by static confining pressure. Tests on hollow, cylindrical Ottawa sand specimens, in a torsional resonant column apparatus, demonstrate that material behavior may be significantly changed by prestraining. In general, prestraining at shearing strains between
Vincent P. Drnevich, F. E. Richart
openaire   +1 more source

Effects of prestrain, rate of prestrain, and temperature on the stress-relaxation behavior of eutectic Sn-3.5Ag solder joints

Journal of Electronic Materials, 2003
Stress-relaxation studies on eutectic Sn-Ag solder (Sn-3.5Ag in wt.%) joints were carried out at various temperatures after imposing different amounts and rates of simple shear strain. Stress-relaxation parameters were evaluated by subjecting geometrically realistic solder joints with a nominal joint thickness of ∼100 µm and a 1 mm × 1 mm solder-joint ...
H. Rhee, K. N. Subramanian
openaire   +1 more source