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Fatigue Property of Nano-grained Delaminated Low-carbon Steel Sheet |
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| Authors: | XLi TFJing MMLu RXu BYLiang JWZhang College of Materials Science Engineering Yanshan University Qinhuangdao China School of Electronics Information Engineering Liaoning Technical University Huludao China State Key Laboratory of Metastable Materials Science & Technology China Materials & Chemical Engineering School Zhongyuan University of Technology Zhengzhou China |
| Affiliation: | X.Li 1,2),T.F.Jing 1,3),M.M.Lu 1),R.Xu 1,B.Y.Liang 4) and J.W.Zhang 1) 1) College of Materials Science and Engineering,Yanshan University,Qinhuangdao 066004,China 2) School of Electronics and Information Engineering,Liaoning Technical University,Huludao 125105,China 3) State Key Laboratory of Metastable Materials Science & Technology,China 4) Materials & Chemical Engineering School,Zhongyuan University of Technology,Zhengzhou 450007,China |
| Abstract: | Tension-tension fatigue life tests on nano-grained delaminated low-carbon steel sheet under different fatigue loads are carried out to study the fatigue properties of the steel.The three-dimensional microstructures of the steel are observed by TEM.In addition,the morphology of the fatigue fracture of the specimen under different loads is observed by SEM.The results show that micro-cracks form on the weak interface of the nano-grained steel under low-stress conditions,which hinders the propagation of the mai... |
| Keywords: | Nano-grained low-carbon steel Delaminated structure Tensile-tensile fatigue Weak interface |
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