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The Design and Analysis of the Fabrication of Micro- and Nanoscale Surface Structures and Their Performance Applications from a Bionic Perspective. [PDF]
Materials (Basel)Zheng H, Liu J, Qiu Y.
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Impact of arc quenching parameters on surface hardness and microstructure of S45C steel with concave surfaces. [PDF]
PLoS OneNguyen VT +5 more
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Hot-Dip Aluminizing of Flow-formed AISI 4140 Steel
Procedia Structural IntegrityAptullah Karakaş, Murat Baydoğan
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Wear, 1987
Abstract The erosion behavior of AISI 4140 steel under various heat treatment conditions was investigated. A variety of microstructures, such as the primary and tempered martensites, varying proportions of martensite and bainite, cementite spheroids embedded in a ferrite matrix and ferrite and pearlite were obtained.
L. Ambrosini, S. Bahadur
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Abstract The erosion behavior of AISI 4140 steel under various heat treatment conditions was investigated. A variety of microstructures, such as the primary and tempered martensites, varying proportions of martensite and bainite, cementite spheroids embedded in a ferrite matrix and ferrite and pearlite were obtained.
L. Ambrosini, S. Bahadur
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Erosion of heat-treated AISI 4140 steel
Materials Science and Engineering: A, 1993Solid-particle erosion was studied on AISI 4140 steel heat treated to have a Vickers hardness (Hv) of 288–650 kg mm−2. The experiments were conducted in vacuum with 143 μm Al2O3 abrasive impacting at 50–100 m s−1 at an angle of 30° or 90°. Erosion rates were nearly independent of hardness for Hv ⩽ 365 kg mm−2, but increased with hardness for Hv > 365 ...
K.C. Goretta +2 more
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Tribocorrosion behavior of boronized AISI 4140 steel
Surface and Coatings Technology, 2018Abstract In this study, AISI 4140 steel was boronized using powder-pack‑boronizing process, seeking to produce a monophasic iron boride (Fe2B) layer. The microstructural and chemical characteristics were evaluated by Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), respectively and Grazing incidence X-ray diffraction (GIXRD).
Steffen Alexandre da Costa Aichholz +3 more
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Selective laser melting of AISI 4140 steel
2021This thesis focused on investigating the microstructure and mechanical properties of Selective Laser Melting (SLM) manufactured AISI 4140 steel under a range of in-situ heat loading conditions. In the SLM process, the process parameters determine the basic performance and microstructure of an as-built object.
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Microstructure-Sensitive Fatigue Modeling of AISI 4140 Steel
Journal of Engineering Materials and Technology, 2014A 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
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