Results 61 to 70 of about 402 (182)
Welding of stell ABNT4140 without posterior thermal treatment.
Revista Tecnologia, 2009 The procedure for conventional welding of the AISI 4140 steel, due to the martensite formation in the heated affected zone (HAZ), contemplates a postwelding heat treatment (PWHT) to relief the stress and to improve the toughness of this zone.
Jesualdo Pereira Farias +1 more
doaj
Modeling and optimization of face milling process parameters for AISI 4140 steel
Tehnički Glasnik, 2018 In this study, the effect of cutting parameters such as the depth of cut, feed rate, cutting speed and the number of inserts on surface roughness were investigated in the milling of the AISI 4140 steel.
Gokhan Basar +3 more
doaj +1 more source
Engineering Reports, Volume 6, Issue 9, September 2024.This research presents the results of cry treated and untreated P20 grade carbide inserts for machining alloy steel (EN24 grade) under continuous turning circumstances. Abstract Today's industries need to be more productive, especially those that shape and machine materials.
R. Prem Chand +5 more
wiley +1 more source
Strain Dependence of the Magnetic Properties of AISI 4130 and 4140 Alloy Steels
NDT & E International, 1988 The magnetic properties of ferromagnetic materials are very sensitive to the mechanical treatment and condition of the material [1]. Therefore magnetic methods for non destructive evaluation of the mechanical properties of steels have received increasing attention in recent years.
Jiles, D., Jiles, David, Utrata, D.
openaire +3 more sources
Discover MaterialsThis review compiles and compares recent research on the influence of various heat treatments on the hardness, impact toughness, and microstructural evolution of AISI 1040, 4140, and 4340 medium carbon structural steels.
Sharan Mudda +4 more
doaj +1 more source
Characterization of steel 70XL used in the manufacture of balls for the clinker's milling
Minería y Geología, 2017 The present article deals with the wear of the balls used for the grinding of the clinker in the processes of obtaining cement. Three specimens of different steel were made: one of steel AISI 4140, with which balls are forged for the milling process ...
Eider Gresesqui-Lobaina +2 more
doaj
Thermal Stability and Lubrication Properties of Biodegradable Castor Oil on AISI 4140 Steel
Metals, 2018 Lubricants have much importance in several industries, principally serving to reduce friction and wear in mechanical elements. In this study, the influence of Castor oil as bio-lubricant on the friction and wear performance of AISI 4140 steel was ...
María Teresa Hernández-Sierra +4 more
doaj +1 more source
Journal of Manufacturing and Materials ProcessingHigh-strength quenched and tempered steels such as EN 42CrMo4, widely used for marine shaft applications due to their high strength, toughness, and fatigue resistance, are nevertheless susceptible to surface degradation under severe dry sliding ...
Stavros K. Chionopoulos +1 more
doaj +1 more source
Metallurgical and Mechanical Examination of Fatigue-Induced Fracture in a Conveyor Drum Shaft [PDF]
Materials ResearchThis work investigates the fatigue failure mode of a shaft used in a conveyor system for mining applications through visual inspection, metallographic examination, fracture analysis, and mechanical testing. It was observed that a misalignment of about 5°
Anderson Luiz de Oliveira +10 more
doaj +1 more source
Journal of Materials Research and TechnologyThis study investigates the influence of base plate preheating temperature on the fatigue performance of additively manufactured AISI 4140 steel, manufactured through laser powder bed fusion (PBF-LB). By varying preheating temperatures (150°C, 300°C, and
Philipp Schüßler +6 more
doaj +1 more source