Results 41 to 50 of about 187 (155)

Synchrotron Diffraction Study of the Cementite Phase in Cold Drawn Pearlitic Steel Wires [PDF]

Materials Science Forum, 2013
Energy dispersive synchrotron diffraction has been carried out on cold drawn pearlitic steel wires. In this paper the observed cementite peaks are analysed. For a broad range of true drawing strains sin²(Ψ) curves have been measured. The residual stress in the cementite is found to saturate after reaching a maximum at a strain of about 1.6.
Tacq, Jeroen, Kriška, Martin, Seefeldt, Marc   +2 more
openaire   +1 more source

Assessing the Very High Cycle Fatigue Behavior and Frequency Effect of Structural Steel Welds

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 4, Page 1529-1541, April 2025.
ABSTRACT The very high cycle fatigue behavior of S275J2+N flux‐core arc welded joints was investigated using the ultrasonic fatigue testing method at a loading frequency of 20 kHz. A bespoke specimen design featuring the weld toe was employed to more suitably represent in‐service welded joints than typical ultrasonic fatigue testing specimens.
Andrew England, Yevgen Gorash, Athanasios Toumpis   +2 more
wiley   +1 more source

Comparative Fatigue Analysis of Structural Steels Considering Welding and Surface Effects

Strain, Volume 61, Issue 2, April 2025.
ABSTRACT There are limited data on the very high‐cycle fatigue for structural steel welds for over 10 million cycles. The purpose of this research is a fatigue performance comparison of the welds made of steels S355JR+AR and S275JR+AR. The goal of reaching the gigacycle fatigue domain is achieved using the ultrasonic fatigue testing at 20 kHz.
Yevgen Gorash, Tugrul Comlekci, Carl Walker, Athanasios Toumpis, James Kelly, Andrew England, Lewis Milne   +6 more
wiley   +1 more source

An Experimental and Computational Framework to Investigate the Microstructural Effects on the Mechanical Properties of Pearlitic Steels

Advanced Engineering Materials, Volume 27, Issue 2, January 2025.
A robust computational framework is proposed, which is designed to simulate microstructural‐scale plastic deformation and damage in pearlitic steels. The framework is calibrated and validated using experimental data from pearlitic steel rail samples. Subsequently, it is employed to investigate the impact of microstructural parameters, such as cementite
Ravi Kiran Bollineni, Reza Mirzaeifar, Mehdi Ahmadian, Ling Li   +3 more
wiley   +1 more source

Co‐Deformation in Severely Deformed Multiphase Crystalline Metallic Systems: Physical Mechanisms, Intrinsic Limitations, and Perspectives

Advanced Engineering Materials, Volume 26, Issue 19, October 2024.
Taking advantage of co‐deformation mechanisms is a promising way to achieve fine grain metal matrix composites or architectured structures with unique properties. Understanding physical mechanisms is critical to promote refinement or fragmentation or mechanical mixing.
Xavier Sauvage
wiley   +1 more source

Surface Functionalization of Novel Work‐Hardening Multi‐Principal‐Element Alloys by Ultrasonic Assisted Milling

Advanced Engineering Materials, Volume 26, Issue 20, October 2024.
Multi‐principal‐element alloys (MPEAs) with high work hardening capacity, like Hadfield steel, can extend conventional alloy systems. In this study, CoFeNi‐based MPEAs with Mn and C are cast and mechanically finished using ultrasonic milling. The resulting MPEAs show significant hardness increase and improved wear resistance, demonstrating their ...
Bianca Preuß, Thomas Lindner, Niclas Hanisch, Marcel Giese, Dirk Schröpfer, Tim Richter, Michael Rhode, Thomas Lampke   +7 more
wiley   +1 more source

Influence of Tramp Elements on Surface Properties of Liquid Medium‐Carbon Steels

steel research international, Volume 95, Issue 8, August 2024.
Greenhouse gas restrictions are forcing steel producers to increase recycling rates. The resulting higher tramp element content affects the oxidic cleanness. Herein, the influence of tramp elements on surface tension, contact angle, and formation of nonmetallic inclusions is investigated.
Julian Cejka, Bernhard Sammer, Isabell Gruber, Gerald Klösch, Susanne K. Michelic   +4 more
wiley   +1 more source

13C isotopic labeling to decipher the iron corrosion mechanisms in a carbonated anoxic environment

Materials and Corrosion, Volume 75, Issue 6, Page 786-795, June 2024.
The corrosion progression in a carbonate solution at 120°C was studied, using 13C labeling on a pre‐existing FeCO3‐based corrosion layer of 10‐µm thickness. Experiments showed a localized progression on an already 15‐day‐old sample. The new 13C‐labeled corrosion product was still siderite, detected only in local advances at the corrosion product layer ...
Hélène Lotz, Delphine Neff, Florence Mercier‐Bion, Christian Bataillon, Nicolas Nuns, Philippe Dillmann   +5 more
wiley   +1 more source

Influence of back tension on wire deformation heterogeneity and texture intensity: A coupled macro-micro calculation study

Journal of Materials Research and Technology
Pearlitic steel wires are typically produced through cold drawing process, where the wire is pulled through drawing dies by external forces, leading to diameter reduction and length elongation.
Rui Cai, Chunni Jia, Yong Zhao, Zhendan Yang, Tengyuan Liu, Xiangjun Chen, Pei Wang, Dianzhong Li   +7 more
doaj   +1 more source

Hardening of Cylindrical Bars with Water Impinging Jet Quenching Technique

steel research international, Volume 95, Issue 6, June 2024.
Four 70 mm cylindrical steel bars are martensite hardened with different water jet flow rates using impinging jet quenching technique. A finite element method (FEM) quenching model is created to simulate phase transformations and predict the resulting microstructure, hardness, and residual stresses.
Pavel Romanov, Arvid Jahedi, Anders Carlestam, Bahram Moshfegh, Viktor Norman, Ru Peng, Mattias Calmunger   +6 more
wiley   +1 more source