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Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 461-481 doi: 10.1007/s11465-018-0481-2

Abstract:

Damage accumulation and failure behaviors are crucial concerns during the design and service of aThird-generation synchrotron radiation X-ray computed microtomography can be used to detect the inner damageVarious damage modes under both static and dynamic loading are elucidated for pure aluminum, aluminumFor the hybrid laser welded aluminum alloy, fatigue cracks usually initiate from gas pores located at

Keywords： fatigue crack initiation and growth     fatigue damage mechanism     damage tolerance     defect characterization    

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A study on fatigue damage of asphalt mixture under different compaction using 3D-microstructural characteristics

Jing HU, Pengfei LIU, Bernhard STEINAUER

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 329-337 doi: 10.1007/s11709-017-0407-9

Abstract: and then, the effect of aggregate particles on the morphology of air-voids can be evaluated, finally, fatigueproperties of asphalt mixture with different air-void ratio were measured by indirect tensile fatiguemixture; investigation in this paper can present the essential relationship between microstructures and fatigue

Keywords： asphalt mixture     microstructure     morphology     digital image processing     fatigue damage    

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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 toThe underlying dominant mechanisms were discussed with emphasis on the formation mechanism of WEAs.The prevailing mechanism of the rubbing of crack faces that generates WEAs was questioned by the authorshigh strain rate deformation in terms of microstructural compositions, grain refinement, and formation mechanism

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

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Estimation of fatigue damage of airplane landing gear

LIU Ke-ge, YAN Chu-liang, ZHANG Shu-ming

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 424-428 doi: 10.1007/s11465-006-0051-x

Abstract: Taking the main landing gears of fighter and transport airplanes as examples, the fatigue life was estimatedThe computed results show that the landing damage to the fighter and transport airplanes is 75% and 60%of the total damage, and the damage caused by the landing stroke is 40% of the landing-gear damage.The fatigue damage properties can provide important information for reliable designing and the structural
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The Review of Ascertainable Fatigue Cumulative Damage Rule

Yang Xiaohua,Yao Weixing,Duan Chengmei

Strategic Study of CAE 2003, Volume 5, Issue 4,   Pages 81-87

Abstract: Fatigue cumulative damage rule has been perfecting and developing.Based on the characteristics of fatigue damage and cumulative damage rule, this paper divided the rulesof ascertainable fatigue cumulative damage rule into two main categories.the effects of load sequencing on the fatigue life; NLCDR based on energy rule.The main questions of fatigue cumulative damage rule are answered.

Keywords： fatigue     linear and nonlinear     cumulative damage     damage mechanics     energy    

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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 fluctuationsimulated with the finite element method, and the RCF life is predicted using the Brown–Miller–Morrow fatigueThe patterns of fatigue life on the tooth surface are simulated under various loading levels, and theThe 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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Subsurface damage pattern and formation mechanism of monocrystalline -GaO in grinding process

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0677-3

Abstract: However, the deformation mechanism in ultraprecision machining has not yet been revealed.The aim of this study is to investigate the damage pattern and formation mechanism of monocrystallineTransmission electron microscopy was used to observe the subsurface damage in rough, fine, and ultrafineSubsurface damage models for grinding process were established on the basis of the grinding principle, revealing the mechanism of the mechanical effect of grits on the damage pattern.

Keywords： monocrystalline beta-phase gallium oxide     grinding process     subsurface damage     nanocrystals     amorphous    

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The Assessment of Fatigue Life of Ship Structures

Li Jingyu,Tian Changlu

Strategic Study of CAE 2006, Volume 8, Issue 2,   Pages 51-54

Abstract:

The analysis of accidents indicates that fatigue is the main failure mode in ship structures.The general principles of the fatigue life assessment of ship structures are reviewed.A program for calculating fatigue loads, stresses and cumulative damages as well as fatigue life areAs an example, the fatigue life of an oil tanks * structure is analyzed, and the program is proved effective

Keywords： ship structure     fatigue life     cumulative damage    

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The contribution of cross modality to fatigue damage accumulation of structure subjected to random vibration

Zhu Xuewang,Liu Qinglin

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 36-41

Abstract: damage accumulation identification.With a simple supported beam in this paper the contribution of cross modality to fatigue damage accumulationRandom response is obtained by means of superposition methods and fatigue damage accumulation of structureunder random vibration is analysised with Miner's linear damage ruler.Numerical simulation shows that the contribution of cross modality to fatigue damage accumulation of

Keywords： cross modality     random vibration     fatigue damage accumulation     random vibration response     modality superposition    

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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 investigatedAE signal characteristics were investigated to reveal the accumulated damage process.Heavy load would aggravate the accumulated damage status and induce surface fracture.Frequent stress cycle would aggravate the accumulated damage status and induce interface fracture.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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Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 781-792 doi: 10.1007/s11709-021-0733-9

Abstract: During the construction of lightweight cellular concrete (LCC), material damage frequently occurs, causingThe construction-induced damage can be more significant than those from the service environment of LCCmethod established to simulate the damage in the laboratory setting.The damage evolution is provided with the rationality of the damage equation, verified by comparing themeasured and predicted damage variables.

Keywords： lightweight cellular concrete     construction-induced damage     freeze-thaw action     microstructure     degradationmechanism    

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Study of the Damage Mechanism of the Cooling Pipe in Liquid Zinc

Yuan Wangjiao,He Jiangsan

Strategic Study of CAE 2005, Volume 7, Issue 9,   Pages 56-60

Abstract: The damage of the cooling pipe in liquid zinc is caused by high temperature corrosion and stress corrosion

Keywords： liquid zinc     cooling pipe     damage mechanism     high temperature corrosion     stress corrosion    

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Damage mechanism and evaluation model of compressor impeller remanufacturing blanks: A review

Haiyang LU, Yanle LI, Fangyi LI, Xingyi ZHANG, Chuanwei ZHANG, Jiyu DU, Zhen LI, Xueju RAN, Jianfeng LI, Weiqiang WANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 402-411 doi: 10.1007/s11465-019-0548-8

Abstract: The theoretical and technological achievements in the damage mechanism and evaluation model obtainedThe mechanism and evaluation model of ultra-high cycle fatigue, erosion wear, and corrosion damage wereFor ultra-high cycle fatigue damage, the characteristics of ultra-high cycle fatigue of the impellermaterial were clarified, and prediction models of ultra-high cycle fatigue strength were established.Through this research, the key scientific problems of the damage behavior and mechanism of remanufacturing

Keywords： remanufacturing     centrifugal compressor impeller     remanufacturing blank     damage mechanism     evaluation model    

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Atomistic understanding of interfacial processing mechanism of silicon in water environment: A ReaxFF

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 570-579 doi: 10.1007/s11465-021-0642-6

Abstract: interfacial process between silicon and amorphous silica in water environment, exploring the removal and damagemechanism caused by pressure, velocity, and humidity.passivation layer could alleviate the contact between the abrasive and the substrate, thus reducing the damagemultibridge bonds and chain removal appear under high pressure, which cause higher removal rate and severer damageThese results reveal the internal cause of the discrepancy in damage and removal rate under different

Keywords： silicon     ReaxFF     molecular dynamics     friction     damage    

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Mechanism of hepatocellular damage in rat caused by low serum selenium

LU Yi, QU Bo, LIU Chang, YU Liang, Liu Xuemin, WANG Haohua, JIANG An, ZHANG Xiaogang

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 255-258 doi: 10.1007/s11684-008-0048-4

Abstract: The aim of this paper is to investigate the mechanism of hepatocellular damage in rats caused by lowIt indicated that the damage caused by selenium deficiency was through the process of oxidation.Selenium deficiency led to apoptosis of hepatocytes where oxidative damage to mitochondria might be the

Keywords： process     glutathione peroxidase     hepatocellular damage     group     Keshan Disease    

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Title Author Date Type Operation

Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Journal Article

A study on fatigue damage of asphalt mixture under different compaction using 3D-microstructural characteristics

Jing HU, Pengfei LIU, Bernhard STEINAUER

Journal Article

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

Journal Article

Estimation of fatigue damage of airplane landing gear

LIU Ke-ge, YAN Chu-liang, ZHANG Shu-ming

Journal Article

The Review of Ascertainable Fatigue Cumulative Damage Rule

Yang Xiaohua,Yao Weixing,Duan Chengmei

Journal Article

Contact fatigue life prediction of a bevel gear under spectrum loading

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

Journal Article

Subsurface damage pattern and formation mechanism of monocrystalline -GaO in grinding process

Journal Article

The Assessment of Fatigue Life of Ship Structures

Li Jingyu,Tian Changlu

Journal Article

The contribution of cross modality to fatigue damage accumulation of structure subjected to random vibration

Zhu Xuewang,Liu Qinglin

Journal Article

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

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

Journal Article

Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Journal Article

Study of the Damage Mechanism of the Cooling Pipe in Liquid Zinc

Yuan Wangjiao,He Jiangsan

Journal Article

Damage mechanism and evaluation model of compressor impeller remanufacturing blanks: A review

Haiyang LU, Yanle LI, Fangyi LI, Xingyi ZHANG, Chuanwei ZHANG, Jiyu DU, Zhen LI, Xueju RAN, Jianfeng LI, Weiqiang WANG

Journal Article

Atomistic understanding of interfacial processing mechanism of silicon in water environment: A ReaxFF

Journal Article

Mechanism of hepatocellular damage in rat caused by low serum selenium

LU Yi, QU Bo, LIU Chang, YU Liang, Liu Xuemin, WANG Haohua, JIANG An, ZHANG Xiaogang

Journal Article