Conference Agenda

11:00am - 11:15am

MICROPIT FORMATION UNDER ROLLING CONTACT FATIGUE OF BEARINGS THROUGH CRYSTAL PLASTICITY MODELLING

X.Q. Han¹, S.X. Li¹, Siyuan Lu¹, Y.S. Jin²

¹Ningbo University, China, People's Republic of China; ²Ningbo Yinqiu Technology Co., Ltd, Ningbo, Zhejiang 315207, China

11:15am - 11:30am

Role of air humidity in residual fatigue lifetime of Railway axle

Lubos Nahlik¹, Pavel Pokorny¹, Tomas Vojtek¹, Pavol Dlhý¹, Rostislav Fajkos², Ondrej Peter², Pavel Hutar¹

¹Institute of Physics of Materials, Czech Academy of Sciences, Czech Republic; ²BONATRANS GROUP, a.s., Bohumin, Czech Republic

11:30am - 11:45am

EFFECT OF RESIDUAL STRESSES ON THE CRACK GROWTH BEHAVIOUR IN WHEELSET AXLES UNDER MIXED-MODE LOADING CONDITIONS

Deni Avgustinovic, Jürgen Maierhofer

Material Center Leoben Forschung GmbH, Austria

11:45am - 12:00pm

Prediction of fatigue life and short crack growth rate based on crystal plasticity finite element method

Guian Qian^1,2, Jiamei Zhang^1,2, Ningyu Zhang^1,2, Ruiyang Li³

¹State Key Laboratory of Nonlinear Mechanics (LNM), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China; ²School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China; ³College of Mechanical Engineering, Guangxi University, Nanning 530004, China

12:00pm - 12:15pm

Experimental study of fatigue crack growth and closure at negative load ratio

Théotime ASSELIN², Olivier ANCELET², Guillaume BENOIT¹, Florence HAMON¹, Gilbert HENAFF¹

¹ISAE-ENSMA, France; ²Framatome, France

12:15pm - 12:30pm

Multiscale model simulations for analysing fatigue strength of austenitic stainless steels with bimodal harmonic structures

Hongchang Zhou¹, Zijie Liu², Shoichi Kikuchi³, Kazuki Shibanuma²

¹Osaka University; ²The University of Tokyo; ³Shizuoka University

12:30pm - 12:45pm

THE CRACK GROWTH THRESHOLD IS NOT A CONSTANT VALUE

Pavel Pokorny, Tomas Vojtek, Radek Kubicek, Michal Jambor, Lubos Nahlik, Pavel Hutar

IPM, Czech Academy of Sciences, Czech Republic