Results 191 to 200 of about 20,128 (231)

Polydomain Liquid Crystal Elastomers with Mechanically Switchable Opacity for Thermal Shielding. [PDF]

ACS Polym Au
Turriani M, Lanfranchi A, Wiersma DS, Parmeggiani C, Lova P, Martella D.   +5 more
europepmc   +1 more source

Investigation on the mechanical behavior of coconut leaf sheath and midrib of coconut leaf reinforced epoxy composites. [PDF]

Sci Rep
Palaniappan M, Raj MKA, Kumar PM, Gebreyohannes DT.   +3 more
europepmc   +1 more source

Smart molecular design for functional cellulose gels and flexible devices. [PDF]

Smart Mol
Li Z, Wang M, Jiang G, Zhou J, Li D, Zhang W, Zhao D.   +6 more
europepmc   +1 more source

Study on Synthesis and Performance of a Hybrid Crosslinked Composite Gel for High-Temperature Lost Circulation Control. [PDF]

Gels
Shi J, Yao X, Wang C, Ren T, Liu K, Hao H, Ren Z, Yang J.   +7 more
europepmc   +1 more source

Towards nano-mechanical simulations of ceramics containing realistic defects <i>via</i> machine-learning potentials: the example of TiB₂.

Nanoscale
Du C, Lin S, Koutná N, Mayrhofer PH.
europepmc   +1 more source

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Research on Tensile Stress–Strain Relationship of Azide Polyether Propellant for Wide‐Temperature Range Based on Time–Temperature Superposition Principle

Propellants, Explosives, Pyrotechnics
ABSTRACTAzide polyether propellants are emerging high‐energy solid propellants and have broad application prospects. To determine their mechanical properties under wide temperature ranges, tensile tests were conducted considering different combinations of temperature and loading rate, and the corresponding tensile stress–strain curves were plotted. The
Gang Wang, Yiwen Hu, Weilu Yang, Zhifeng Yuan, Xiuduo Song   +4 more
openaire   +3 more sources

First-principles molecular dynamics study of a polymer under tensile stress

The Journal of Chemical Physics, 2001
We present first-principles simulations of cis-polyacetylene fragments under tensile stress. The barrier of a cis-trans isomerization of conjugated carbon–carbon double bonds is lowered by tensile stress. However, it does not seem likely that the barrier can be sufficiently reduced to achieve a cis-trans isomerization in an atomic force microscopy ...
Ute F. Röhrig, Irmgard Frank
openaire   +1 more source

First principles study of the responses to equibiaxial in-plane tensile stresses in tetragonal BaTiO3

Journal of Alloys and Compounds, 2010
Abstract Tetragonal BaTiO 3 under equibiaxial in-plane tensile stresses is investigated from first principles calculations. Our results show that this material transfers to the paraelectric phase at the critical stress of about 13 GPa. We also find the great enhancement of piezoelectricity close to the phase-transition region, due to large atomic ...
Yifeng Duan, Gang Tang, Lixia Qin, Liwei Shi   +3 more
openaire   +1 more source