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Microstructure-Sensitive Fatigue Modeling of AISI 4140 Steel

Journal of Engineering Materials and Technology, 2014
A microstructure-based fatigue model is employed to predict fatigue damage in 4140 steel. Fully reversed, strain control fatigue tests were conducted at various strain amplitudes and scanning electron microscopy was employed to establish structure-property relations between the microstructure and cyclic damage.
J. B. Jordon, M. F. Horstemeyer
openaire   +1 more source

Hollow cathodic plasma source nitriding of AISI 4140 steel

Surface Engineering, 2020
AISI 4140 low alloy steel samples were treated using conventional plasma nitriding (CPN) and hollow cathodic plasma source nitriding (HCPSN) treatments.
Yang Li   +6 more
openaire   +1 more source

Influence of plasma nitriding pre‐treatment on the corrosion and tribocorrosion behaviours of PVD CrN, TiN and AlTiN coated AISI 4140 steel in seawater

Lubrication Science, 2021
CrN, TiN and AlTiN coatings were applied by the Physical Vapour Deposition (PVD) method on AISI 4140 and plasma nitrided (PN) AISI 4140 steel. The study aimed to investigate the effect of plasma nitriding before PVD on the corrosion and tribocorrosion ...
S. Alkan, M. Gök
semanticscholar   +1 more source

A Novel Model for Transformation-Induced Plasticity and Its Performance in Predicting Residual Stress in Quenched AISI 4140 Steel Cylinders

Metals
A better residual stress prediction model can lead to more accurate life assessments, better manufacturing process design and improved component reliability. Accurate modeling of transformation-induced plasticity (TRIP) is critical for improving residual
Junpeng Li   +4 more
semanticscholar   +1 more source

Wear behaviour of boronized and duplex-treated AISI 4140 steel against DLC-coated boronized AISI 4140 disc

Surface Engineering, 2019
Wear behaviour of the AISI 4140 steel specimens with various surface conditions was tested against the DLC-coated boronized disc of AISI 4140 steel. Specific wear rate and coefficient of friction (COF) of the as-boronized (AB) pins at 100 and 150 N loads were substantially lower than the boronized–polished (B-P) pins.
Aditya K. Litoria   +5 more
openaire   +1 more source

Graphene Nano-Lubricant for the Improved Rolling Contact Fatigue (RCF) Life of AISI 4140 Steel under Rolling with Slip Conditions

Materials Science Forum
Rolling and sliding contacts are common tribological interactions between surfaces in high-speed rotating components such as bearings, gears, and rail wheels.
M. R. Ranju, D. Kesavan
semanticscholar   +1 more source

Room temperature nanoindentation creep of nitrocarburised AISI 4140 steel

Surface Engineering, 2019
Room temperature indentation creep behaviour of different regions of nitrocarburised AISI 4140 steel is investigated by employing the nanoindentation creep testing method in the present study. A structure consisting of a compound layer, a diffusion layer and a substrate is observed in the nitrocarburised AISI 4140 steel.
Jichang Xiao   +4 more
openaire   +1 more source

The Effects of the Finishing Polish Process on the Tribological Properties of Boride Surfaces of AISI 4140 Steel

Coatings
In sealing, sliding, and power transmission operations, surface quality and contact tolerances have high impacts on material system efficiency. Although the boriding process improves the wear resistance of metallic surfaces, it increases surface ...
Daniel Misael Flores-Arcos   +6 more
semanticscholar   +1 more source

Tribological Characteristics of Duplex Treated AISI 4140 Steel

2000
In the present study samples of AISI 4140 steel pre-treated by plasma nitriding and coated by a hydrogen-free hard carbon film were investigated with respect to microhardness, surface roughness, residual stress, scratch adhesion and dry sliding wear resistance.
Podgornik, Bojan   +4 more
openaire   +4 more sources

Tribological properties of pulsed ion nitrided AISI 4140 steel

Surface Engineering, 1999
The present study was conducted in order to investigate the tribological behaviour of plasma nitrided AISI 4140 steel by using a dc pulsed glow discharge technique. Microstructure and structural characterisations were performed by using scanning electron microscopy and X-ray diffraction techniques.
M.H. Staia   +4 more
openaire   +1 more source

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