Enhance Fatigue Resistance of Nanocrystalline NiTi by Laser Shock Peening
Sign Up to like & getrecommendations! Published in 2019 at "Shape Memory and Superelasticity"
DOI: 10.1007/s40830-019-00256-z
Abstract: A pre-strain laser shock peening method is proposed to fabricate fatigue-resistant nanocrystalline NiTi with graded nanolayers and compressive residual stress layers. Grain size gradient surface layer of about 100 μm thick is fabricated on a… read more here.
Keywords: laser; shock peening; nanocrystalline niti; surface ... See more keywords
Spalling modes and mechanisms of shocked nanocrystalline NiTi at different loadings and temperatures
Sign Up to like & getrecommendations! Published in 2021 at "Mechanics of Materials"
DOI: 10.1016/j.mechmat.2021.104004
Abstract: Abstract Spalling damage is one of the typical forms of material dynamic failure, of which the damage modes and physical mechanisms are directly related to the design of material impact protection. NiTi alloys have already… read more here.
Keywords: nanocrystalline niti; mechanisms shocked; spalling modes; different loadings ... See more keywords
Grain refinement and amorphization in nanocrystalline NiTi micropillars under uniaxial compression
Sign Up to like & getrecommendations! Published in 2018 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2018.05.034
Abstract: Abstract Microscale plastic deformation mechanisms of nanocrystalline NiTi micropillars with an average grain size (GS) of 65 nm are investigated by uniaxial compression. Cuboidal NiTi micropillars with uniform cross-sectional area along the height are manufactured by… read more here.
Keywords: compression; niti micropillars; nanocrystalline niti; uniaxial compression ... See more keywords
Synergistic effects of strain rate and temperature on the superelastic–plastic behaviors of nanocrystalline NiTi shape memory alloy: A molecular dynamic study
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Physics"
DOI: 10.1063/5.0266283
Abstract: Molecular dynamics simulations are employed to investigate the superelastic–plastic behaviors of nanocrystalline NiTi shape memory alloy subjected to tensile strains of up to 12%. The effects of strain rate (6 × 108/s–4.8 × 109/s) and temperature (400–600 K) on the… read more here.
Keywords: temperature; strain rate; rate; nanocrystalline niti ... See more keywords