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简历: 2019.12-中国科学院力学研究所研究员 2013.12-2019.12中国科学院力学研究所副研究员 2010.06-2013.12中国科学院力学研究所助理研究员 2008.07-2010.06高等教育出版社执行编辑 2003.09-2008.07北京大学固体力学专业理学博士 1999.09-2003.07大连理工大学应用数学系理学学士 社会任职: 中国材料研究学会疲劳分会理事(2015.01-) 获奖及荣誉: 1.2018年获中国力学学会自然科学二等奖(项目:高强合金超高周疲劳裂纹萌生特征区机理与模型项目;获奖人:洪友士、孙成奇) 2.2016年获SCI期刊“FatigueFractEngMaterStruct”2012年度出版论文“MostCitedPapersAward” 3.北京力学会第13届学术年会“青年优秀学术论文” 4.北京大学第十届“学术十杰” 授权专利: 1.洪友士,孙成奇,刘小龙.预测试样尺寸对疲劳寿命影响的方法.ZL201610059873.9.2018.02.16 2.张诗佳,谢季佳,孙成奇,洪友士.一种表面强化构件疲劳裂纹扩展速率的测定方法.ZL201510437043.0.2018.01.19 3.洪友士,姜青青,孙成奇,谢季佳.一种用于疲劳强度测试的并行分支升降法.ZL201610237687.X.2018.08.10 测试标准: 北京航空材料研究院标准.金属材料超高周振动疲劳试验方法.Q/6S3702-2019.2019.09.18(起草单位:北京航空材料研究院、中国科学院力学研究所) 承担科研项目情况: 1.国家自然科学基金重大研究计划培育项目,压气机叶片用TC17钛合金高温超高周疲劳行为与缺陷敏感性研究(91860112),2019.01-2021.12,72万元,在研。 2.国家重点研发计划“深海耐压结构体、材料耐压特性及评估技术研究”项目子课题,蠕变-疲劳下钛合金耐压结构寿命评估技术研究(2017YFC0305501-2),2017.07-2020.12,90万元,在研。 3.国防科工局“XXX设计技术研究与试验验证”项目子课题,材料疲劳性能与寿命预测模型,2018.01-2020.12,85万元,在研。 4.中国国家铁路集团有限公司“动车组S38C/EA4T材质空心车轴修程修制优化工作方案”中多个任务,2019.08-2020.12,在研。 5.国家重点研发计划“全海深载人潜水器总体设计、集成与海试”项目子课题,全海深耐压结构的疲劳破坏机制和寿命评估技术研究(2016YFC0300603-06),2016.07-2018.06,97万元,已结题。 6.国家自然科学基金青年科学基金项目,高强钛合金超高周疲劳的微结构尺度效应实验研究与理论分析(11202210),2013.01-2015.12,30万元,已结题。 7.中车青岛四方技术服务项目,G20Mn5QT轴箱体材料疲劳性能试验,2018.07-2018.12,39万元,已结题。 8.清华大学技术服务项目,增材制造Ti-6Al-4V超高周疲劳性能试验研究,2019.09-2020.03,31.38万元,已结题。

研究领域

材料和结构的疲劳与破坏

近期论文

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1.SongQingyuan,SunChengqi*,2020.Mechanismofcrackinitiationandearlygrowthofhighstrengthsteelsinveryhighcyclefatigueregime.MaterialsScience&EngineeringA,771:138648. 2.SongQingyuan,LiYanqing,WangLei,HuangRuxu,SunChengqi*,2019.Effectofriseandfalltimeondwellfatiguebehaviorofahighstrengthtitaniumalloy.Metals,9:914. 3.LiChunming,HuZheng,SunChengqi*,SongQingyuan,ZhangWanhao.Probabilisticcontrolvolumemethodforevaluatingtheeffectsofnotchsizeandloadingtypeonfatiguelife.ActaMechanicaSolidaSinica.https://doi.org/10.1007/s10338-019-00126-2 4.李亚波,宋清源,杨凯,陈一萍,孙成奇*,洪友士,2019.试样疲劳性能尺度效应的概率控制体积方法.力学学报,51(5):1363–1371. 5.SunChengqi,SongQingyuan,ZhouLingling,LiuJialong,WangYao,WuXiaolei,WeiYujie*,2019.Theformationofdiscontinuousgradientregimesduringcrackinitiationinhighstrengthsteelsunderveryhighcyclefatigue.InternationalJournalofFatigue,124:483–492. 6.SunChengqi*,SongQingyuan,ZhouLingling,PanXiangnan,2019.Characteristicofinteriorcrackinitiationandearlygrowthforhighcycleandveryhighcyclefatigueofamartensiticstainlesssteel.MaterialsScience&EngineeringA,758:112–120. 7.WangYao,YuanLichao,ZhangShijia,SunChengqi,WangWenjing,YangGuangxue,LiQiang,WeiYujie*,2019.Theinfluenceofcombinedgradientstructurewithresidualstressoncrack-growthbehaviorinmediumcarbonsteel.EngineeringFractureMechanics,209:369–381. 8.SunChengqi*,SongQingyuan,2019.Amethodforevaluatingtheeffectsofspecimengeometryandloadingconditiononfatiguelifeofmetallicmaterials.MaterialsResearchExpress,6:046536. 9.HuYuanpei,Sunchengqi,HongYoushi*,2018.Crackgrowthratesandmicrostructurefeatureofinitiationregionforvery‐high‐cyclefatigueofahigh‐strengthsteel.Fatigue&FractureofEngineeringMaterials&Structures,41:1717–1732. 10.HuYuanpei,SunChengqi,XieJijia,HongYoushi*,2018.Effectsofloadingfrequencyandloadingtypeonhigh-cycleandvery-high-cyclefatigueofahigh-strengthsteel.Materials,11:1456. 11.SunChengqi*,SongQingyuan,2018.Amethodforpredictingtheeffectsofspecimengeometryandloadingconditiononfatiguestrength.Metals,8:811. 12.SunChengqi*,SongQingyuan,HuYuanpei,WeiYujie,2018.Effectsofintermittentloadingonfatiguelifeofahighstrengthsteelinveryhighcyclefatigueregime.InternationalJournalofFatigue,117:9–12. 13.LiYanqing,SongQingyuan,FengShichao,SunChengqi*,2018.Effectsofloadingfrequencyandspecimengeometryonhighcycleandveryhighcyclefatiguelifeofahighstrengthtitaniumalloy.Materials,11:1628. 14.PanXiangnan,SuHang,SunChengqi,HongYoushi*,2018.Thebehaviorofcrackinitiationandearlygrowthinhigh-cycleandvery-high-cyclefatigueregimesforatitaniumalloy.InternationalJournalofFatigue,115:67–78. 15.洪友士*,孙成奇,刘小龙,2018.合金材料超高周疲劳的机理与模型综述.力学进展,48:1–65. 16.HongYoushi*,SunChengqi,2017.Thenatureandthemechanismofcrackinitiationandearlygrowthforvery-high-cyclefatigueofmetallicmaterials–Anoverview.TheoreticalandAppliedFractureMechanics,92:331–350. 17.ZhangShijia,XieJijia,JiangQingqing,ZhangXiaole,SunChengqi,HongYoushi*,2017.Fatiguecrackgrowthbehavioringradientmicrostructureofhardenedsurfacelayerforanaxlesteel.MaterialsScience&EngineeringA,700:66–74. 18.SuHang,LiuXiaolong,SunChengqi,HongYoushi*,2017.Nanograinlayerformationatcrackinitiationregionforvery-high-cyclefatigueofaTi–6Al–4Valloy.Fatigue&FractureofEngineeringMaterials&Structures,40:979–993. 19.张吟*,刘小明,雷现奇,孙成奇,方新,魏宇杰,2017.基于分层分压结构的新型潜水器耐压壳结构设.力学学报,49:1231–1242. 20.SunChengqi,HongYoushi*,2016.Apromisingmethodfortheanalysisofnotcheffectonfatiguestrength:Strainenergydensityapproach.ScienceChinaTechnologicalSciences,59:1617–1618. 21.LiuXiaolong,SunChengqi,HongYoushi*,2016.Facetedcrackinitiationcharacteristicsforhigh-cycleandveryhigh-cyclefatigueofatitaniumalloyunderdifferentstressratios.InternationalJournalofFatigue,92:434–441. 22.刘小龙,孙成奇,周砚田,洪友士*,2016.微结构和应力比对Ti-6Al-4V高周和超高周疲劳行为的影响.金属学报,52:923–930. 23.JiangQingqing,SunChengqi,LiuXiaolong,HongYoushi*,2016.Very-high-cyclefatiguebehaviorofastructuralsteelwithandwithoutinducedsurfacedefects.InternationalJournalofFatigue,93:352–362. 24.SunChengqi,ZhangXiaole,LiuXiaolong,HongYoushi*,2016.Effectsofspecimensizeonfatiguelifeofmetallicmaterialsinhigh-cycleandvery-high-cyclefatigueregimes.Fatigue&FractureofEngineeringMaterials&Structures,39:770–779. 25.HongYoushi*,LiuXiaolong,LeiZhengqiang,SunChengqi,2016.Theformationmechanismofcharacteristicregionatcrackinitiationforvery-high-cyclefatigueofhigh-strengthsteels.InternationalJournalofFatigue,89:108–118. 26.LiuXiaolong,SunChengqi,HongYoushi*,2016.Crackinitiationcharacteristicsandfatiguepropertyofahigh-strengthsteelinVHCFregimeunderdifferentstressratios.FractureandStructuralIntegrity,35:88–97. 27.MatsunagaH.*,SunChengqi,HongYoushi*,MurakamiY.,2015.Dominantfactorsforvery-high-cyclefatigueofhigh-strengthsteelsandanewdesignmethodforcomponents.Fatigue&FractureofEngineeringMaterials&Structures,38:1274–1284. 28.SunChengqi,LiuXiaolong,HongYoushi*,2015.Atwo-parametermodeltopredictfatiguelifeofhigh-strengthsteelsinaveryhighcyclefatigueregime.ActaMechanicaSinica,31:383–391. 29.LiuXiaolong,SunChengqi,HongYoushi*,2015.Effectsofstressratioonhighcycleandvery-high-cyclefatiguebehaviorofaTi-6Al-4Valloy.MaterialsScience&EngineeringA,622:228–235. 30.SunChengqi,LeiZhengqiang,HongYoushi*,2014.Effectsofstressratiooncrackgrowthrateandfatiguestrengthforhighcycleandvery-high-cyclefatigueofmetallicmaterials.MechanicsofMaterials,69:227–236. 31.HongYoushi*,LeiZhengqiang,SunChengqi,ZhaoAiguo,2014.Propensitiesofcrackinteriorinitiationandearlygrowthforvery-high-cyclefatigueofhighstrengthsteels.InternationalJournalofFatigue,58:144–151. 32.LeiZhengqiang,XieJijia,SunChengqi,HongYoushi*,2014.Effectofloadingconditiononvery-high-cyclefatiguebehavioranddominantvariableanalysis.SCIENCECHINAPhysics,Mechanics&Astronomy,57:74–82. 33.SunChengqi,LeiZhengqiang,XieJijia,HongYoushi*,2013.Effectsofinclusionsizeandstressratioonfatiguestrengthforhigh-strengthsteelswithfish-eyemodefailure.InternationalJournalofFatigue,48:19–27. 34.SunChengqi*,LiuKaixin,HongYoushi,2013.Dynamicshellbucklingbehaviorofmulti-walledcarbonnanotubesembeddedinanelasticmedium.SCIENCECHINAPhysics,Mechanics&Astronomy,56:483–490. 35.SunChengqi,XieJijia,ZhaoAiguo,LeiZhengqiang,HongYoushi*,2012.Acumulativedamagemodelforfatiguelifeestimationofhigh-strengthsteelsinhigh-cycleandvery-high-cyclefatigueregimes.Fatigue&FractureofEngineeringMaterials&Structures,35:638–647. 36.SunChengqi*,LiuKaixin,HongYoushi,2012.Dynamicbucklingbehaviorofmulti-walledcarbonnanotubessubjectedtostepaxialloading.ActaMechanicaSolidaSinica,25(2):117–125. 37.SunChengqi*,LiuKaixin,HongYoushi,2012.Axisymmetriccompressivebucklingofmulti-walledcarbonnanotubesunderdifferentboundaryconditions.ActaMechanicaSinica,28(1):83–90. 38.ZhaoAiguo,XieJijia,SunChengqi,LeiZhengqiang,HongYoushi*,2012.Effectsofstrengthlevelandloadingfrequencyonvery-high-cyclefatiguebehaviorforabearingsteel.InternationalJournalofFatigue,38:46–56. 39.LeiZhengqiang,HongYoushi*,XieJijia,SunChengqi,ZhaoAiguo,2012.Effectsofinclusionsizeandlocationonvery-high-cyclefatiguebehaviorforhighstrengthsteels.MaterialsScience&EngineeringA,558:234–241. 40.SunChengqi,HongYoushi*,2012.Correlationofcrackgrowthrateandstressratioforfatiguedamagecontainingveryhighcyclefatigueregime.Theoretical&AppliedMechanicsLetters,2:031004. 41.LeiZhengqiang,ZhaoAiguo,XieJijia,SunChengqi,HongYoushi*,2012.VeryhighcyclefatigueforGCr15steelwithsmoothandhole-defectspecimens.Theoretical&AppliedMechanicsLetters,2:031003. 42.洪友士*,孙成奇.高强钢超高周疲劳裂纹萌生和初始扩展的机理与模型.第十六届全国疲劳与断裂学术会议(大会特邀报告),中国厦门,11月2-5日,2012. 43.ZhaoAiguo,XieJijia,SunChengqi,LeiZhengqiang,HongYoushi*,2011.PredictionofthresholdvalueforFGAformation.MaterialsScienceandEngineeringA,528:6872–6877. 44.SunChengqi,ZhaoAiguo,HongYoushi*,2011.Correlationofcrackinitiationparameterswithlifeestimationforvery-high-cyclefatigueofhighstrengthsteels.StructuralLongevity,2(3):157–168. 45.庄表中*,孙成奇,吴立香,2010.魔术动力学分析之三——两个或多个铁环与铁链套结过程.力学与实践,32:116–117. 46.SunChengqi,LiuKaixin*,2009.Vibrationofmulti-walledcarbonnanotubeswithinitialaxialforceandradialpressure.JournalofPhysicsD:AppliedPhysics,42:175412. 47.SunChengqi,LiuKaixin*,2009.Dynamicbucklingofdouble-walledcarbonnanotubesunderstepaxialload.ActaMechanicaSolidaSinica,22(1):27–36. 48.SunChengqi,LiuKaixin*,2009.Dynamiccolumnbucklingofmulti-walledcarbonnanotubesunderaxialimpactload.SolidStateCommunications,149:429–433. 49.SunChengqi,LiuKaixin*,2008.Dynamictorsionalbucklingofadouble-walledcarbonnanotubeembeddedinanelasticmedium.EuropeanJournalofMechanicsA/Solids,27:40–49. 50.SunChengqi,LiuKaixin*,2008.Combinedtorsionalbucklingofmulti-walledcarbonnanotubescouplingwithaxialloadingandradialpressures.InternationalJournalofSolidsandStructures,45:2128–2139. 51.SunChengqi,LiuKaixin*,2008.Torsionalbucklingofmulti-walledcarbonnanotubesundercombinedaxialandradialloadings.JournalofPhysicsD:AppliedPhysics,41:205404. 52.SunChengqi,LiuKaixin*,LuGuoxing,2008.Dynamictorsionalbucklingofmulti-walledcarbonnanotubesembeddedinanelasticmedium.ActaMechanicaSinica,24:541–547. 53.SunChengqi,LiuKaixin*,2007.Vibrationofmulti-walledcarbonnanotubeswithinitialaxialloading.SolidStateCommunications,143:202–207. 54.SunChengqi,LiuKaixin*,2007.Combinedtorsionalbucklingofmulti-walledcarbonnanotubescouplingwithradialpressures.JournalofPhysicsD:AppliedPhysics,40:4027–4033. 55.SunChengqi,LiuKaixin*,TanimuraS.,2007.InvestigationofsolenoidalconditionforsolvingwavepropagationproblemsbyLamé’sdecomposition.MultidisciplineModelinginMaterialsandStructures,3(2):247–256.

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