2020
DOI: 10.1016/j.surfcoat.2020.125745
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Experimental study on surface integrity of ultra-high-strength steel by ultrasonic hot rolling surface strengthening

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Cited by 30 publications
(8 citation statements)
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“…During the IH-USRP experiment, in order to guarantee that the heating temperature will not destroy the previous heat treatment state of the sample, the heating temperature should be lower than the martensitic transformation temperature, which is related to the sample carbon content and can be calculated according to the empirical formula (3-3) [26]. After Carburizing heat treatment, the sample carbon content of the highest is the surface layer, about 0.8% [32], and the carbon content gradually decreases as it gets closer to the center.…”
Section: Determination Of Heating Temperaturementioning
confidence: 99%
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“…During the IH-USRP experiment, in order to guarantee that the heating temperature will not destroy the previous heat treatment state of the sample, the heating temperature should be lower than the martensitic transformation temperature, which is related to the sample carbon content and can be calculated according to the empirical formula (3-3) [26]. After Carburizing heat treatment, the sample carbon content of the highest is the surface layer, about 0.8% [32], and the carbon content gradually decreases as it gets closer to the center.…”
Section: Determination Of Heating Temperaturementioning
confidence: 99%
“…The research of Zhang et al [25] gives a similar conclusion. Luan et al [26] carried out USRP experiments at different temperatures and found that the surface roughness and the residual compressive stress increased initially, then decreased with temperature increased. We hope that after USRP, the sample will have higher hardness and lower surface roughness while having larger residual compressive stress.…”
Section: Introductionmentioning
confidence: 99%
“…Xu et al [50] have subjected a spring steel (with 0.5 wt.% C, 1.0 wt.% Mn and 1.12 wt.% Cr) to USRP with static load up to 862 N. They observed a gradient of microstructures up to a depth of 48 µm and within that acicular microstructure observed in the top 4 µm. Luan et al [51] have explored microstructural change of ultra-high-strength steel (45CrNiMoVA) subjected to USRP, and they correlated the microstructural change to surface integrity. The authors observed the formation of nano-sized structures at the surface.…”
Section: Microstructural Changes In Ferrous Based Materials Subjected To Usrpmentioning
confidence: 99%
“…2021, 11, x FOR PEER REVIEW 5 of 32 within that acicular microstructure observed in the top 4 μm. Luan et al [51] have explored microstructural change of ultra-high-strength steel (45CrNiMoVA) subjected to USRP, and they correlated the microstructural change to surface integrity. The authors observed the formation of nano-sized structures at the surface.…”
Section: Microstructural Changes In Ferrous Based Materials Subjected To Usrpmentioning
confidence: 99%
“…In another study, Zheng et al 19 proposed ultrasonic rolling as a complex elastic-plastic deformation process, after which they analyzed the elastic-plastic deformation caused by ''loading and unloading'' during ultrasonic rolling, based on the Hertz contact theory and the elasticplastic deformation theory. Besides, while Luan et al 20 found that the surface polishing effect remained good during ultrasonic hot rolling, among which static pressure and ultrasonic impact played a key role, Wang et al 21 used the ultrasonic rolling surface technology to improve the surface properties of the M50 steel. Their results showed that the thickness of the plastic deformation layer reached 24 mm after ultrasonic-rolling treatment, with grain refinement improving surface microhardness and residual stress and reducing the surface roughness.…”
Section: Introductionmentioning
confidence: 99%