Defects as a root cause of fatigue failure of metallic components. III: Cavities, dents, corrosion pits, scratches

U Zerbst, M Madia, C Klinger, D Bettge… - Engineering Failure …, 2019 - Elsevier
This third part of the review on defects as root cause of fatigue failure addresses cavities
(pores, micro-shrinkages, unmelted regions), defective microstructures and microcracks as …

A stored energy criterion for fatigue crack nucleation in polycrystals

VVC Wan, DW MacLachlan, FPE Dunne - International Journal of Fatigue, 2014 - Elsevier
A series of microstructurally-differing, large-grained, notched, polycrystal BCC ferritic steel
bend test samples have been analysed to extract the experimentally observed sites of …

Very high cycle fatigue behaviors of bainite/martensite multiphase steel treated by quenching-partitioning-tempering process

G Gao, B Zhang, C Cheng, P Zhao, H Zhang… - International Journal of …, 2016 - Elsevier
Abstract A bainite/martensite (B/M) multiphase steel was treated by a novel bainite-based
QPT treatment with various process parameters to obtain multiphase microstructure …

The significance of ultrafine film-like retained austenite in governing very high cycle fatigue behavior in an ultrahigh-strength MN–SI–Cr–C steel

P Zhao, B Zhang, C Cheng, RDK Misra, G Gao… - Materials science and …, 2015 - Elsevier
We elucidate here the very high cycle fatigue (VHCF) behavior of an ultrahigh-strength
medium carbon Mn–Si–Cr–C steel processed using the approach of bainite-based …

Very high cycle fatigue behavior of austenitic stainless steels with different surface morphologies

M Smaga, A Boemke, D Eifler, T Beck - Metals, 2022 - mdpi.com
The fatigue behavior of the two austenitic stainless steels AISI 904L and AISI 347 with
different surface morphologies,(i) conventionally turned and finally polished,(ii) cryogenic …

The potential significance of microalloying with niobium in governing very high cycle fatigue behavior of bainite/martensite multiphase steels

P Zhao, C Cheng, G Gao, W Hui, RDK Misra… - Materials Science and …, 2016 - Elsevier
We elucidate here the effect of microalloying with niobium (Nb) on very high cycle fatigue
(VHCF) behavior in high-strength C–Mn–Si–Cr bainite/martensite (B/M) multiphase steels …

Evolution of the surface roughness of a low carbon steel subjected to fatigue

JC De Lacerda, GD Martins, VT Signoretti… - International Journal of …, 2017 - Elsevier
This work aims to analyze the evolution of the surface roughness of a low carbon steel (SAE
1020) subjected to different loads and fatigue life. The fatigue tests were performed by rotary …

Non-inclusion induced crack initiation in multiphase high-strength steel during very high cycle fatigue

P Zhao, Z Liu, RDK Misra, F Du, C Zhang… - Materials Science and …, 2018 - Elsevier
During very high cycle fatigue (VHCF) crack can initiate at non-inclusion site in the interior of
Mn-Si-Cr bainite/martensite (B/M) multiphase steels. The characteristics of non-inclusion …

Effect of ultrasonic nanocrystal surface modification on the characteristics of AISI 310 stainless steel up to very high cycle fatigue

MK Khan, YJ Liu, QY Wang, YS Pyun… - Fatigue & Fracture of …, 2016 - Wiley Online Library
Abstract Effects of ultrasonic nanocrystal surface modification (UNSM) on the very high cycle
fatigue response of AISI 310 stainless steel have been investigated. The higher impact force …

High cycle fatigue behavior and microstructure of a high-speed rail material

P Zhao, Z Xu, M Wang, RDK Misra, G Xie, F Du… - Materials Science and …, 2021 - Elsevier
We describe here the high cycle fatigue (HCF) behavior of a rail steel comprised of
multiphase structure of bainite, martensite and film-like retained austenite, which was …