Analytical model for predicting coverage in suspension waterjet shot peening and its influence on fatigue [PDF]
Suspension waterjet peening is an emerging technology for surface modification. Coverage is a key factor affecting the integrity of a modified material surface, however such an experimental method that can be utilized for precise control has not yet been
Yongtao Ma +6 more
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Bending Fretting Fatigue Characteristics of 18CrNiMo7-6 Alloy Steel
A series of bending fretting fatigue tests of 18CrNiMo7-6 alloy steel were carried out, the bending fretting fatigue S-N curve was built up, and an analysis was made on the test results.
SHEN Yan-tuan +5 more
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Study on Inclusions Distribution and Cyclic Fatigue Performance of Gear Steel 18CrNiMo7-6 Forging [PDF]
The three-dimensional morphologies of inclusions in gear steel 18CrNiMo7-6 forging were investigated by a non-destructive extraction method, and the cleanliness of radial positions was analyzed, mainly including the variation of total oxygen content and ...
Min Wang +4 more
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In this work, the nanomechanical properties involving the indentation size effect (ISE) and yield strength of a surface-modified layer of 18CrNiMo7-6 steel after case hardening were investigated via nanoindentation experiments.
Guiyuan Zhou +4 more
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Evaluation of Surface Integrity in 18CrNiMo7-6 Steel after Multiple Abrasive Waterjet Peening Process [PDF]
Abrasive waterjet peening (AWJP) as an important surface strengthening method can effectively improve surface properties. In this study, after multiple AWJP, the distribution of compressive residual stress and roughness on the surface of 18CrNiMo7-6 ...
Yun Zou +5 more
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Effect of cylindrical longitudinal grinding process on surface integrity of 18CrNiMo7–6 steel
In order to explore the influence of the grinding process parameters on the surface roughness and surface layer residual stress of 18CrNiMo7–6 steel, the cylindrical longitudinal grinding experiment was carried out by using an end cylindrical grinder ...
Haoyang ZHU +4 more
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Contact Fatigue Behavior Evolution of 18CrNiMo7-6 Gear Steel Based on Surface Integrity
In this work, the surface integrity (surface morphology, microstructure, microhardness, residual stress) of contact fatigue (CF) samples with different numbers of running cycles was comprehensively studied.
Luji Wu +4 more
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Attaining Ultra-Smooth 18CrNiMo7-6 Case Hardening Steel Surfaces with Chemical Mechanical Polishing
Smooth surfaces are conducive to improving the lubrication of gears in mechanical systems. In this study, chemical mechanical polishing (CMP) was used to process 18CrNiMo7-6 case hardening steel, a typical material for gears.
Wumao Peng +4 more
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Gradient microstructure and microhardness in a nitrided 18CrNiMo7-6 gear steel [PDF]
R Yang, G L Wu, X Zhang, W T Fu, X Huang
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Influence of Sulfur Content on Inclusion and Fatigue Properties of 18CrNiMo7-6 Gear Steels [PDF]
In this paper, two kinds of 18CrNiMo7-6 gear steels with sulfur content of 0.002% (low sulfur content) and 0.022% (high sulfur content) were studied. Pseudo-carburizing samples were obtained by reference to gear heat treatment process, and the effects of
Yu Wenchao +3 more
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