Results 11 to 20 of about 24,070 (256)

In-situ EBSD characterization of deformation behavior of primary alpha phase in Ti-6Al-4V [PDF]

open access: yesMATEC Web of Conferences, 2020
Uniaxial tension experiments and electron back-scatter diffraction were performed on a bimodal Ti-6Al-4V alloy to study the deformation behavior of primary hcp-Ti (αp).
Li Wansong   +3 more
doaj   +1 more source

Microstructural evolution and oxidation in α/β titanium alloy under fretting fatigue loading

open access: yesFriction, 2023
Coupling effects of fretting wear and cyclic stress could result in significant fatigue strength degradation, thus potentially causing unanticipated catastrophic fractures. The underlying mechanism of microstructural evolutions caused by fretting wear is
Hanqing Liu   +7 more
doaj   +1 more source

Quality of winter soft wheat grain under the influence of repeated and intermediate sowing in cotton-grain rotation [PDF]

open access: yesE3S Web of Conferences, 2023
Research work was carried out in 2017-2020 in a system of cotton-grain crop rotation on light gray soils of the Kashkadarya region of the Republic of Uzbekistan.
Bakhramova N.N.   +4 more
doaj   +1 more source

Disorientation of Suprathermally Rotating Grains and the Grain Alignment Problem [PDF]

open access: yesThe Astrophysical Journal, 1997
We discuss the dynamics of dust grains subjected to uncompensated torques arising from H_2 formation. In particular, we discuss grain dynamics when a grain spins down and goes through a ``crossover''. As first pointed out by Spitzer & McGlynn (1979), the grain angular momentum before and after a crossover event are correlated, and the degree of ...
Lazarian, A., Draine, B. T.
openaire   +2 more sources

Field crop rotations in organic agriculture of the Volgograd region

open access: yesBIO Web of Conferences, 2020
Soil fertility in biologized crop rotations depends on the saturation of them with legumes and sideral crops, perennial grasses, the involvement of grain crops in the organic matter cycle.
Shatokhin Alexander A,   +4 more
doaj   +1 more source

Numerical Investigation on Hybrid Rocket Motors with Star-Segmented Rotation Grain

open access: yesAerospace, 2022
A novel fuel grain configuration comprising two star-segmented grains is proposed. The effect of the rotation, mid-chamber length, and segmented position on the fuel regression rate and the combustion efficiency in hybrid rocket motors with star ...
Hui Tian   +5 more
doaj   +1 more source

Room temperature control of grain orientation via directionally modulated current pulses

open access: yesMaterials Research Express, 2023
Traditional approaches to control the microstructure of materials, such as annealing, require high temperature treatment for long periods of time. In this study, we present a room temperature microstructure manipulation method by using the mechanical ...
Md Hafijur Rahman   +3 more
doaj   +1 more source

Quasi-in-situ study on the crystallographic lattice rotation of tantalum during compression deformation

open access: yesJournal of Materials Research and Technology, 2022
By employing a quasi-in-situ method, we investigated the crystallographic texture evolution process of high purity tantalum during compression deformation.
Qianqian Zhu   +5 more
doaj   +1 more source

Dislocation Emission and Crack Dislocation Interactions

open access: yesMetals, 2020
An understanding of the crack initiation and crack growth in metals spanning the entire spectrum of conventional and advanced has long been a major scientific challenge. It is known that dislocations are involved both in the initiation and propagation of
Chandra S. Pande, Ramasis Goswami
doaj   +1 more source

Study on the Grain Rotation of High-Purity Tantalum during Compression Deformation

open access: yesCrystals, 2022
A compression experiment with electron backscatter diffraction (EBSD) measurements was designed to characterize the effect of the microtexture on the grain rotation process.
Qianqian Zhu   +6 more
doaj   +1 more source

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