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fatigue life 10

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Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1, Pages 123-132 doi: 10.1007/s11465-019-0556-8

Abstract: Rolling contact fatigue (RCF) issues, such as pitting, might occur on bevel gears because load fluctuationMultiaxial stress–strain states are simulated with the finite element method, and the RCF life is predictedusing the Brown–Miller–Morrow fatigue criterion.RCF curve is numerically generated.The effects of various fatigue damage accumulation rules on fatigue life are compared and discussed in

Keywords： bevel gear rolling contact fatigue (RCF) multiaxial fatigue criterion load spectrum damage accumulation

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Review of the damage mechanism in wind turbine gearbox bearings under rolling contact fatigue

Yun-Shuai SU, Shu-Rong YU, Shu-Xin LI, Yan-Ni HE

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4, Pages 434-441 doi: 10.1007/s11465-018-0474-1

Abstract: Gearbox bearings are subjected to rolling contact fatigue (RCF) and they are observed to fail due to

Keywords： rolling contact fatigue (RCF) white etching area (WEA) white etching crack (WEC) adiabatic shear band

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Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Strategic Study of CAE 2006, Volume 8, Issue 7, Pages 54-57

Abstract:

The mathematical models of contact pressure distribution between rolling ring and shell under intermittentcontact are set up, the formulae of bending moment and bending stress of tyre are obtained.By applying nominal stress method and local stress-strain method, the fatigue life prediction model ofrolling ring is built.The results show that the fatigue life can be improved greatly if the rolling ring load can be controlled

Keywords： rolling ring contact pressure support angle fatigue life

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Durability of plasma-sprayed Cr3C2-NiCr coatings under rolling contact conditions

Xiancheng ZHANG, Fuzhen XUAN, Shantung TU, Binshi XU, Yixiong WU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1, Pages 118-135 doi: 10.1007/s11465-011-0127-0

Abstract:

The aim of this paper was to address the rolling contact fatigue (RCF) failure mechanisms ofWeibull distribution plots of fatigue lives of the coated specimens at different contact stresses wereResults showed that the RCF failure modes can be classified into four main categories, i.e., surfaceamplitude can be used as a key parameter to predict the initiation of subsurface cracks within coating in rollingcontact.

Keywords： rolling contact fatigue coating Weibull distribution failure mode mechanism

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Accumulated damage process of thermal sprayed coating under rolling contact by acoustic emission technique

Jia XU,Zhen-yu ZHOU,Zhong-yu PIAO

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 227-232 doi: 10.1007/s11465-016-0395-9

Abstract:

The accumulated damage process of rolling contact fatigue (RCF) of plasma-sprayed coatings was investigatedA ball-on-disc machine was employed to conduct RCF experiments.Result showed that the polished coating would resist the asperity contact and remit accumulated damageThe RCF lifetime would then extend.Fatigue then became the main failure mode that also reduced the RCF lifetime.

Keywords： accumulated damage spray coating rolling contact fatigue acoustic emission

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Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1, Pages 54-58

Abstract:

The mechanical properties， microstructures， fatigue properties and fatigue fractures of the conventionalnew-type TRIP steel possessed similar yield strength ， tensile strength increased by 100~150 MPa and fatigueThe fatigue limit increased with the increase of the tensile strength.The steel containing ferrite，bainite and retained austenite had a higher fatigue limit than the steel

Keywords： hot- rolling low-carbon TRIP steel rolling process fatigue property fatigue fracture

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Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1, Pages 52-60 doi: 10.1007/s11465-009-0087-9

Abstract: In this paper, a three-dimensional finite element modelling of the ribbed strip rolling is carried outThe formulation of the finite element modelling by adding a rib inclined contact surface boundary condition

Keywords： rib inclined contact boundary condition ribbed strip extremely thin elements pulling down of rib height

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An improved algorithm for McDowell’s analytical model of residual stress

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2, Pages 150-155 doi: 10.1007/s11465-014-0295-9

Abstract:

The analytical model for two-dimensional elastoplastic rolling/sliding contact proposed by McDowellis an important tool for predicting residual stress in rolling/sliding processes.

Keywords： residual stress McDowell’s model volume-constancy of plastic deformation FEM elastoplastic rolling/slidingcontact

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Application of Cu nanoparticles as N32 base oil additives

Qiang HE, Jun YE, Hongzhao LIU, Jinling LI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1, Pages 93-97 doi: 10.1007/s11465-009-0083-0

Abstract: The results show that N32 base oil with 0.5% Cu nanoparticle can improve the test sample contact fatigue

Keywords： Cu nanoparticle tribological property contact fatigue weibull distribution

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A rolling 6U parallel mechanism

Zhihuai MIAO, Yanan YAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1, Pages 96-98 doi: 10.1007/s11465-011-0214-2

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Novel probabilistic rolling regular tetrahedron mechanism

Yonghan GUAN, Yan’an YAO, Chao LIU, Ruiming LI

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2, Pages 363-378 doi: 10.1007/s11465-020-0628-9

Abstract: In this study, a novel mechanism that can conduct probabilistic rolling is proposed to reach a designatedAccording to mobility and kinematic analyses, the mechanism can implement probabilistic rolling.Each rolling gait has three probable rolling directions, and the mechanism rolls in one of the threeFurthermore, the mathematical principle of probabilistic rolling is revealed in terms of probabilityTo achieve the rolling function, the design of the linear actuators is improved, and the extension ratio

Keywords： mobile mechanism probabilistic motion rolling mechanism stochastic motion

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2, Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: When a liquid wets a solid wall, the extended meniscus near the contact line may be divided into three

Keywords： meniscus thin film contact line disjoining pressure evaporation

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A rolling 3-UPU parallel mechanism

Zhihuai MIAO, Yan’an YAO, Xianwen KONG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4, Pages 340-349 doi: 10.1007/s11465-013-0282-6

Abstract:

A novel rolling mechanism is proposed based on a 3-UPU parallel mechanism in this paper.The rolling mechanism is composed of two platforms connected by three UPU (universal-prismatic-universalFour rolling modes of the mechanism are discussed and simulated.The feasibility of the rolling mechanism is verified by means of a physical prototype.Finally, its terrain adaptability is enhanced through planning the rolling gaits.

Keywords： parallel mechanism rolling mechanism screw theory

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Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3, Pages 242-248 doi: 10.1007/s11465-014-0305-y

Abstract: accumulated stress concentrations will cause the plastic deformation of rail towards generating corrugations, contactfatigue cracks and also other defects, resulting in more dangerous status even the derailment risks.First of all, it’s important to analyze the contact length between the grinding stone and the rail, because the contact length is a critical parameter to measure the grinding capabilities of stones.Therefore the theoretical model for contact length is developed based on the geometrical analysis.

Keywords： rail grinding contact length dynamic model Hamiltonian system grinding stone rail grinding car

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Research and industrialization of near-net rolling technology used in shaft parts

Zhenghuan HU, Baoyu WANG, Zhenhua ZHENG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 17-24 doi: 10.1007/s11465-018-0480-3

Abstract:

Shaft part rolling is an efficient and green near-net shaping technology offering many advantages,In this paper, the features of shaft part rolling are introduced along with the working principles oftwo main shaft part rolling technologies, namely, cross wedge rolling (CWR) and skew rolling (SR).Finally, the latest developments in shaft part rolling are presented, including SR steel balls, preciseAlthough the shaft part rolling technology has been widely used in China, it only accounts for about

Keywords： cross wedge rolling skew rolling near-net rolling shaft part