The role of residual stress on the fatigue strength of high performance gearing

Shaw, Brian; Aylott, Chris; O'Hara, Peter; Brimble, K

doi:10.1016/j.ijfatigue.2003.08.014

Cited by 67 publications

(35 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Subsequent FPP increases both the hardness and the compressive residual stress in the surface-hardened layer of steels via severe plastic deformation and strain-induced martensitic transformation [3,9,12,[14][15][16][17][18]23]. Figure 6a shows the relationship between the maximum hardness and the strain-induced martensite fraction in the TM and SNCM420 steels.…”

Section: Maximum Hardnessmentioning

confidence: 99%

“…Numerous researchers have reported that high-energy shot peening also increases the fatigue strength of these steels [12,13]. Higher fatigue strengths of TM steel may be achieved by gas-or vacuum-carburizing with shot peening and/or FPP [14][15][16][17][18]. To date, there have only been a few reports on the microstructure and the fatigue strength of carburized TM steel subjected to FPP [19,20].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effects of Vacuum-Carburizing Conditions on Surface-Hardened Layer Properties of Transformation-Induced Plasticity-Aided Martensitic Steel

Sugimoto

Hojo

Mizuno

2017

Metals

View full text Add to dashboard Cite

Abstract:The effects of carbon potential in vacuum-carburization on the surface-hardened layer properties of the 0.2%C-1.5%Si-1.5%Mn-1.0%Cr-0.05%Nb transformation-induced plasticity-aided martensitic steel were investigated for the fabrication of precision gears. The volume fraction of retained austenite and hardness in the surface hardened layer of the steel increased with increasing carbon potential. Subsequent fine-particle peening enhanced the hardness and the compressive residual stress via severe plastic deformation and strain-induced martensite transformation, especially under a high carbon potential. The severe plastic deformation mainly contributed to increased hardness and compressive residual stress and the contribution of the strain-induced martensitic transformation was relatively small.

show abstract

Section: Maximum Hardnessmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Vacuum-Carburizing Conditions on Surface-Hardened Layer Properties of Transformation-Induced Plasticity-Aided Martensitic Steel

Sugimoto

Hojo

Mizuno

2017

Metals

View full text Add to dashboard Cite

show abstract

“…In general, fine particle peening increases the (i) hardness and (ii) compressive residual stress in the surface-hardened layer of heat-treated and carburized steels through severe plastic deformation and strain-induced martensite transformation of retained austenite [10,16,19,[21][22][23][24][25][26]31]. In addition, the peening produces a small surface roughness.…”

Section: Discussionmentioning

confidence: 99%

“…Many other researchers have also corroborated that shot peening increases the fatigue strength of heat-treated steels [19,20]. The fatigue strength of TM steel can be further improved through gas-or vacuum-carburizing with strength of TM steel can be further improved through gas-or vacuum-carburizing with shot peening and/or fine particle peening [21][22][23][24][25]. There have been a few reports on the microstructure and rotational bending fatigue strength of carburized TM steel subjected to fine particle peening [26,27].…”

Section: Introductionmentioning

confidence: 91%

Torsional Fatigue Strength of Newly Developed Case Hardening TRIP-Aided Steel

Sugimoto

Hojo

Mizuno

2017

Metals

View full text Add to dashboard Cite

Abstract:The torsional fatigue strength of newly developed case hardening steel, i.e., transformation-induced plasticity-aided martensitic steel subjected to vacuum carburizing followed by fine particle peening, was investigated for the fabrication of downsized precision gears with high torque capacity and wear resistance. The surface-hardened layer properties-i.e., high Vickers hardness, high compressive residual stress, and a large amount of retained austenite-considerably increased the torsional fatigue limits of vacuum-carburized and fine particle peened TM and JIS-SNCM420 steels, although the notch-sensitivity to fatigue was increased. The relation between torsional and rotational bending fatigue limits for the smooth specimens was found to be between the maximum principal stress and the minimum shear strain energy criterions. On the other hand, this relation for the notched specimens was represented through the maximum principal stress criterion.

show abstract

“…Due to overlapping of indentations a uniform layer of compressive stress is generated on the metal surface. Shot peening is applied to improve the fatigue resistance of metallic components and can increase lifespan, resistance to alternating loads, and corrosion resistance [6][7][8][9][10][11][12][13][14][15] . However, the shot peening process showed no real improvements in corrosion resistance 16 .…”

Section: Introductionmentioning

confidence: 99%