2019
DOI: 10.1016/j.ijfatigue.2019.04.010
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The influence of ultrasonic surface rolling on the fatigue and wear properties of 23-8N engine valve steel

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Cited by 64 publications
(13 citation statements)
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“…This class of coating materials has also been widely reported in other studies [7][8][9]. Lai et al [10] proposed that ultrasonic surface rolling could be introduced to the processing of 33Cr23Ni8Mn3N (23-8N) austenitic engine valve steel, and nanoscale surface strengthening structures can be formed on the outmost surface. Gangopadhyay et al [11] also proposed applying shot peening technology to tappet shims, but the larger surface roughness did not bright the expected effect of reducing friction force.…”
Section: Introductionmentioning
confidence: 85%
“…This class of coating materials has also been widely reported in other studies [7][8][9]. Lai et al [10] proposed that ultrasonic surface rolling could be introduced to the processing of 33Cr23Ni8Mn3N (23-8N) austenitic engine valve steel, and nanoscale surface strengthening structures can be formed on the outmost surface. Gangopadhyay et al [11] also proposed applying shot peening technology to tappet shims, but the larger surface roughness did not bright the expected effect of reducing friction force.…”
Section: Introductionmentioning
confidence: 85%
“…The plastic deformation caused by SP broke the strip carbide, increased the number of dislocations, and decreased the dislocation width, thereby hindering the movement of dislocations, which then resulted in an increase in strength and wear resistance properties. Lai et al [30] conjectured that the high hardness resulting from a narrow dislocation width Figure 7a shows the XRD patterns of the top surfaces of the untreated and SP samples. The images indicate that the surface structures before and after SP were composed of the α 0 -martensite phase, transitional ε-martensite phase, and γ-austenite phase.…”
Section: Microstructure and Xrd Analysismentioning
confidence: 99%
“…Different degrees of plastic deformation surface treatment result in different distributions and depths of compressive residual stress. [30] The surface material undergoes severe plastic deformation after SP, resulting in the lattice distortion of the surface structure and residual compressive stresses; therefore, the residual stress increases significantly with the SP intensity. Zhang et al [36] discovered a compressive residual stress field on the surface of a gear treated with SP, and the maximum compressive residual stress field (measuring À563 MPa) was located in the subsurface area.…”
Section: Microhardness and Residual Stressmentioning
confidence: 99%
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“…Researchers have revealed that many materials that are successfully processed using USRP include but are not limited to different steel grades [25][26][27][28][29][30], titanium alloys [31][32][33][34][35], aluminum alloys [36,37], and magnesium alloys [38][39][40]. Scholars have experimentally demonstrated that USRP can provide superior enhancement in fatigue strength [25,28,29,32], improved wear resistance [26,30,31], remarkable increases in hardness [25][26][27][28]31,32], increases in yield strength [28,34,39,40], enhanced corrosion resistance [41,42], a reduction in surface roughness [25][26][27][28]31,32], a significant amount of induced RCS [25,28,29] and superior grain refinement [38][39]…”
Section: Introductionmentioning
confidence: 99%