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WhatsApp: +86 18221755073An ideal ultrafine-grained (UFG) microstructure for high strength and high ductility should have short dislocation-slip path to impede …
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WhatsApp: +86 18221755073Through Ni-carbonyl CVD process, bulk Ni material (hereafter referred as CVD Ni) with bimodal grain structures, i.e. UF grains and large grains with UF/nano twins, can be …
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WhatsApp: +86 18221755073Conversely, dealloying in molten eutectic Cu28Ag72 alloy led to complex Ta ligament structures due to the enhanced surface diffusivity of Ta by Ag. Ultrafine (<100 nm) Ta …
WhatsApp: +86 18221755073The ultrafine-grained (UFG) structure and plastic deformation of the Ti-42Nb-7Zr alloy have been investigated using infrared thermography. The initial stage occurs at a …
WhatsApp: +86 18221755073A novel way was introduced to design ultrafine lamellar eutectic structure. • A new bimodal structure was fabricated by semi-solid sintering. • It contains coarse Ti 2 (Co, Fe) …
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WhatsApp: +86 18221755073The kind and amount of alloying elements strongly affects the formation of ultrafine-grained microstructures. Aluminum alloys with different amounts of the alloying …
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WhatsApp: +86 18221755073An entanglement witness is an observable with the property that a negative expectation value signals the presence of entanglement. The question arises how a witness …
WhatsApp: +86 18221755073Samples annealed at 800–960 °C for 60 s were of NG/UFG structure with different percentage of nanocrystalline (60–100 nm) and ultrafine (100–500 nm) grains, submicron size …
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WhatsApp: +86 18221755073Compared with a typical ultrafine-grain in the solid sintered sample fabricated at 900 °C (Fig. 2 c), the SSSed one has a bimodal microstructure comprised of coarse-grained …
WhatsApp: +86 18221755073Ultrafine grained structure formation in steels using dynamic strain induced transformation processing H. Beladi, G. L. Kelly and P. D. Hodgson * The refinement of ferrite grain size is …
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WhatsApp: +86 18221755073The thermal stability of ultrafine-grained structure that is important for practical applications is also discussed. Keywords: Magnesium, ECAP, HPT, grain refinement, thermal stability 1. …
WhatsApp: +86 18221755073Ultrafine grained structure is obtained through simple compressive deformation. Dynamic recrystallization and deformation induced formation lead to ultrafine grain formation. …
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WhatsApp: +86 18221755073Request PDF | Evolution of defect structures during cold rolling of ultrafine-grained Cu and Cu–Zn alloys: Influence of stacking fault energy | Samples of pure Cu, bronze …
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WhatsApp: +86 18221755073The study's findings suggest that maelstrom flow can be used to create a uniform microstructure with ultra-fine grains, resulting in uniform deformation and improved the ductility …
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WhatsApp: +86 18221755073Ultrafine bubbles (UFBs) are defined as small gas-filled bubbles with a diameter smaller than 1 μm. ... Structure of Ultrafine Bubbles and Their Effects on Protein and Lipid …
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