Grain boundary segregation engineering in metallic alloys: A pathway to the design of interfaces

D Raabe, M Herbig, S Sandlöbes, Y Li, D Tytko… - Current Opinion in Solid …, 2014 - Elsevier
Grain boundaries influence mechanical, functional, and kinetic properties of metallic alloys.
They can be manipulated via solute decoration enabling changes in energy, mobility …

An updated review: white etching cracks (WECs) and axial cracks in wind turbine gearbox bearings

MH Evans - Materials Science and Technology, 2016 - Taylor & Francis
The actual service life of wind turbine gearboxes is often well below the desired 20 years.
One of the prevalent failure modes in gearbox bearing raceways is white structure flaking …

Microstructures and hardness of as-quenched martensites (0.1–0.5% C)

B Hutchinson, J Hagström, O Karlsson, D Lindell… - Acta Materialia, 2011 - Elsevier
Four commercial steels with carbon contents in the range 0.1–0.5 wt.% have been examined
in the as-quenched condition using electron microscopy, X-ray diffraction and atom probe …

Segregation engineering enables nanoscale martensite to austenite phase transformation at grain boundaries: a pathway to ductile martensite

D Raabe, S Sandlöbes, J Millán, D Ponge, H Assadi… - Acta Materialia, 2013 - Elsevier
Abstract In an Fe–9 at.% Mn maraging alloy annealed at 450° C reversed allotriomorphic
austenite nanolayers appear on former Mn decorated lath martensite boundaries. The …

Microstructure and strengthening mechanisms in cold-drawn pearlitic steel wire

X Zhang, A Godfrey, X Huang, N Hansen, Q Liu - Acta Materialia, 2011 - Elsevier
Strengthening mechanisms and strength–structure relationships have been analyzed in a
cold-drawn pearlitic steel with a structural scale in the nanometer range and a flow stress of …

Atomic-scale mechanisms of deformation-induced cementite decomposition in pearlite

YJ Li, P Choi, C Borchers, S Westerkamp, S Goto… - Acta Materialia, 2011 - Elsevier
Pearlitic steel can exhibit tensile strengths higher than 5 GPa after severe plastic
deformation, where the deformation promotes a refinement of the lamellar structure and …

The mechanism of formation of nanostructure and dissolution of cementite in a pearlitic steel during high pressure torsion

Y Ivanisenko, W Lojkowski, RZ Valiev, HJ Fecht - Acta Materialia, 2003 - Elsevier
The nanostructure and the phase composition in UIC 860V pearlitic steel, deformed by high
pressure torsion in the shear stress range from 62 to 430, were studied. The refinement of …

Friction stir welding of carbon steels

H Fujii, L Cui, N Tsuji, M Maeda, K Nakata… - Materials Science and …, 2006 - Elsevier
In order to determine the effect of the carbon content and the transformation on the
mechanical properties and microstructures of the FSW carbon steel joints, three types of …

White structure flaking (WSF) in wind turbine gearbox bearings: effects of 'butterflies' and white etching cracks (WECs)

MH Evans - Materials Science and Technology, 2012 - journals.sagepub.com
The actual service life of wind turbine gearboxes is often well below the desired 20 years.
One of the prevalent failure modes in gearbox bearing raceways is white structure flaking …

Formation of a self-lubricating layer by oxidation and solid-state amorphization of nano-lamellar microstructures during dry sliding wear tests

C Yin, Y Liang, Y Liang, W Li, M Yang - Acta Materialia, 2019 - Elsevier
Dry sliding wear tests of steel disks of various compositions were performed with
consideration of the effects of microstructure, shear strain and shear strain rate using a ball …