Results 191 to 200 of about 4,788 (225)

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, Yanyan Huang, Qinghua Zhou, Jiaxu Wang, Xiaofei He   +4 more
openaire   +1 more source

Adhesion behaviour of borided AISI 4140 steel

Surface Engineering, 2022
R. Márquez-Cortés, J. Martínez-Trinidad, R. A. García-León   +2 more
openaire   +1 more source

Plasma post oxidation of nitrocarburized AISI 4140 steel

Rare Metals, 2006
Abstract Plasma nitrocarburizing and plasma oxidizing treatments were performed to improve the wear and corrosion resistance of AISI 4140 steel. Plasma nitrocarburizing was conducted for 3 h at 570 °C in the nitrogen, hydrogen and methane atmosphere to produce the ɛ-Fe 2–3 (N, C) phase.
openaire   +1 more source

Crack Arrest Toughness of Two High Strength Steels (AISI 4140 and AISI 4340)

Metallurgical Transactions A, 1982
The crack initiation toughness (K c ) and crack arrest toughness (K a ) of AISI 4140 and AISI 4340 steel were measured over a range of yield strengths from 965 to 1240 MPa, and a range of test temperatures from -53 to +74°C. Emphasis was placed onK a testing since these values are thought to represent the minimum toughness of the steel as a function of
E. J. Ripling, J. H. Mulherin, P. B. Crosley   +2 more
openaire   +1 more source

EXPERIMENTAL INVESTIGATİON OF DYNAMIC FRICTION COEFFICIENT OF AISI 1040 AND AISI 4140 STEELS

2023
A detailed study of the frictional behaviour of AISI 1040 and AISI 4140 steels, which are widely used in various engineering applications, is important for improving the performance of machines and optimising their durability. In this study, the factors affecting sliding friction and dynamic friction coefficients of steel materials are reviewed in the ...
DUMAN, Netice, SELÇUK, Burhan
openaire   +1 more source

Investigation on wear mechanisms of boronized AISI 4140 steel

2017
University Research Council, DePaul University: 14/1-YL ...
Bozali, U., Yaşar, Mustafa, Çetin, Melik, Çay, Vedat Veli, Günen, Ali   +4 more
openaire   +2 more sources

Sliding Wear Resistance of Borided AISI 4140 Steel

Journal of Materials Engineering and Performance, 2022
R. Márquez-Cortés, J. Martínez-Trinidad, M. Flores-Martínez, M. Flores-Jiménez, R. A. García-León   +4 more
openaire   +1 more source

Modeling the Surface Roughness in Machining of AISI 4140 Steel

2005
Buçalışmada kesme hızı, ilerleme miktarı ve küreselleştirme süresi gibi bazıişleme parametrelerine göre yüzey pürüzlülüğü modeli tam faktörlü bir tasarımyaklaşımı kullanılarak geliştirilmiştir. Küreselleştirme ısıl işlemi uygulanmışAISI 4140 çelikleri üzerinde kaplamalı karbür kesici takım ile farklı kesmehızlarında ve ilerleme miktarlarında işleme ...
Erdoğan, Mehmet, Kılıçlı, Volkan, Şahin, Yusuf, Motorcu, Ali Riza   +3 more
openaire   +1 more source

Tribological Properties of Boronized AISI 4140 Steel

Procceedings of the 24th ABCM International Congress of Mechanicl Engineering, 2017
Ricardo Torres, Paulo Soares, Andressa Almeida, Steffen Aichholz   +3 more
openaire   +1 more source

Effects of shallow cryogenic treatment on surface characteristics and machinability factors in hard turning of AISI 4140 steel

Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 2022
Mohammad Rafighi
exaly