Results 81 to 90 of about 45,924 (218)

THE EFFECT OF CORROSION ON THE DYNAMIC BEHAVIOUR OF AISI 4140, AISI 4340, AND AISI 5140 STEELS EXPOSED TO 3.5 wt.% NaCl ENVIRONMENT

open access: yesMateriali in Tehnologije
Material loss due to corrosion can weaken the structural integrity of systems and potentially lead to failure if timely action is not taken. Such deterioration adversely affects the dynamic behavior of metals.
M. Yıldız, Husnu Gerengi
semanticscholar   +1 more source

Effect of Cavitation on The Corrosion Behavior of Ti(CN)/TiNb(CN) Multilayer in Seawater

open access: yesInternational Journal of Electrochemical Science, 2014
The superficial wear generated by cavitation in an electrolyte as sodium chloride 3.5%, causes damage in steels AISI 4140 by corrosion, it is commonly used in hydraulic machines, therefore suggest to coat with a Ti(CN)/TiNb(CN) multilayer system ...
W. Aperador, E. Delgado, C. Amaya
doaj   +1 more source

Corrosion Resistanne of the [TiN/CrN]n Coatings Deposited on Steel AISI 4140

open access: yesInternational Journal of Electrochemical Science, 2013
In this paper is presented the improvement against corrosion of the multilayer coatings [TiN/CrN]n with periods of 20, 50, 100 and 200 bilayers deposited by the PVD magnetron sputtering technique on carbon steel AISI 4140.
W. Aperador, A. Delgado, J. Duque
doaj   +1 more source

Welding of stell ABNT4140 without posterior thermal treatment.

open access: yesRevista 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  

Evaluation of the Corrosion Erosion by Cavitation of Multilayer Coatings Type Binary, Ternary and Quaternary Deposited on Steel AISI 4140

open access: yesInternational Journal of Electrochemical Science, 2014
This article presents the evaluation of the corrosion erosion resistance erosion caused by cavitation generated on the binary type coatings [TiN / CrN]200, ternary [TiN / AlTiN]200 and quaternary [TiCN / TiNbCN]200 obtained by physical vapour deposition ...
W. Aperador, E. Ruíz, A. Mejia
doaj   +1 more source

Bilyalı dövme ve plazma nitrürleme işlemlerinin AISI 4140 çeliğinin aşınma dayanımına etkisi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi
Mevcut çalışmada endüstriyel uygulamalarda sıklıkla kullanılan AISI 4140 çeliğinin yüzey özelliklerinin geliştirilmesi ile aşınma dayanımının nasıl değiştiğinin belirlenmesi amaçlanmıştır.
Mustafa Gök   +4 more
doaj   +1 more source

Electrochemical Corrosion of Hot Pressing Titanium Coated Steels for Biomaterial Applications

open access: yesInternational Journal of Electrochemical Science, 2010
Titanium diffusion process was applied to three selected steels, namely series AISI 1045, 4140 and stainless steel 304 using the hot pressing technique for a possible biomaterial use.
F. Barragán   +4 more
doaj   +1 more source

Modeling and optimization of face milling process parameters for AISI 4140 steel

open access: yesTehnički 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

A review of the latest developments regarding the heat treatment effects on hardness, impact toughness, and microstructure in AISI 1040, 4140, and 4340 medium carbon structural steels

open access: yesDiscover Materials
This 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

Home - About - Disclaimer - Privacy