Results 51 to 60 of about 272 (163)

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

The significance of grain size, segregations and inclusions for the very high cycle fatigue (VHCF) behavior of tempered martensitic steels

Procedia Structural Integrity, 2019
Abstract High-loaded tempered steels, being used in mobility, power generation and plant engineering, are frequently exposed to very high numbers of loading cycles (up to 1 billion cycles). Optimization and fatigue testing for such conditions is challenging and difficult, since damage is concentrated to very small areas of local cyclic plasticity ...
Ulrich Krupp, Kevin Koschella, Alexander Giertler   +2 more
openaire   +1 more source

VERY HIGH CYCLE FATIGUE (VHCF) BEHAVIOR OF AUSTENITC STAINLESS STEELS AND THEIR WELDS FOR REACTOR INTERNALS AT AMBIENT AND OPERATING RELEVANT TEMPERATURE

, 2022
The fatigue assessment of safety relevant components is of importance for ageing management with regard to safety and reliability of nuclear power plants. Austenitic stainless steels are often used for reactor internals due to their excellent mechanical and technological properties as well as their corrosion resistance.
Smaga, Marek, Daniel, Tobias, Regitz, Elen, Beck, Tillmann, Schopf, Tim, Veile, Georg, Weihe, Stefan, Rudolph, Jürgen, Fischer, Udo   +8 more
openaire   +1 more source

Fatigue Design Curves for Industrial Applications: A Review

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 3, Page 1001-1021, March 2025.
ABSTRACT In the present paper, a review on the design curves for safe–life fatigue design is provided. The methodologies available in the literature for the assessment of the strain–life and stress–life design curves have been analyzed, focusing also on the industrial practice for the design of critical components.
Andrea Tridello, Carlo Boursier Niutta, Massimo Rossetto, Filippo Berto, Davide S. Paolino   +4 more
wiley   +1 more source

A Review on Fatigue Characteristics of Nickel‐Aluminum Bronze (NAB): Conventionally Fabricated and Additively Manufactured

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 2, Page 535-565, February 2025.
ABSTRACT Nickel‐aluminum bronze (NAB) is extensively utilized across various industries, particularly marine applications due to its exceptional corrosion resistance. The mechanical properties of NAB are highly dynamic, and influenced by factors such as manufacturing processes, operating environments, and microstructure.
Mojtaba Roshan, MohammadBagher Mahtabi, Sara Ranjbar Eslamloo, Alireza Behvar, Meysam Haghshenas   +4 more
wiley   +1 more source

Notch Effect on the Fatigue Behavior of a TC21 Titanium Alloy in Very High Cycle Regime

Applied Sciences, 2018
The very high cycle fatigue (VHCF) property of TC21 titanium alloy blunt-notched specimens were investigated by using an ultrasonic fatigue test machine with a frequency of 20 kHz.
Baohua Nie, Dongchu Chen, Zihua Zhao, Jianglong Zhang, Yu Meng, Guiyan Gao   +5 more
doaj   +1 more source

A Hybrid Framework for Characterizing and Benchmarking Fatigue S‐N Curves in Aluminum Alloys by Integrating Empirical and Data‐Driven Approaches

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 1, Page 44-59, January 2025.
ABSTRACT The complicated and stochastic nature, coupled with uncertainties and data scatter, poses challenges in developing a general fatigue model. This study introduces a hybrid framework that integrates an empirical model with data‐driven approaches, aiming to address data scarcity and streamline the fatigue characterization of aluminum alloys.
Hamed Esmaeili, Maryam Avateffazeli, Meysam Haghshenas, Reza Rizvi   +3 more
wiley   +1 more source

Effect of heat treatment on very-high-cycle fatigue performance of EA4T axle steel

Frontiers in Materials
The fatigue performance of EA4T (25CrMo4) axle steel was investigated using small-specimen rotating-bending tests up to 2 × 108 cycles to clarify how heat treatment affected high-cycle and very-high-cycle fatigue (HCF/VHCF) behavior. Five specimen groups,
Chun Gao, Chun Gao, Qingye Qiu, Dongqin Zhang, Shisen Liu   +4 more
doaj   +1 more source

Fatigue Crack Segmentation and Characterization of Additively Manufactured Ti‐6Al‐4V Using X‐Ray Computed Tomography

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 1, Page 204-216, January 2025.
ABSTRACT X‐ray computed tomography (XCT) is extremely useful for the non‐destructive analysis of additively manufactured (AM) components. AM components often show manufacturing defects such as lack‐of‐fusion (LoF), which are detrimental to the fatigue life of components.
Bardia Hejazi, Amaya Compart, Tobias Fritsch, Ruben Wagner, Anja Weidner, Horst Biermann, Christopher Benz, Manuela Sander, Giovanni Bruno   +8 more
wiley   +1 more source

S–N curves established from limiting energy in the case of specimens additively manufactured from AlSi10Mg

Fatigue &Fracture of Engineering Materials &Structures, Volume 47, Issue 12, Page 4771-4790, December 2024.
Abstract This study investigates the varying thermal response of additively manufactured specimens made of AlSi10Mg and subjected to cyclic loading. It is well known that the thermal response is driven primarily by the self‐heating effect. The paper explores the possibility of employing thermographic methods to establish an S–N curve for fatigue life ...
Martin Matušů, Jan Šimota, Jan Papuga, Jakub Rosenthal, Libor Beránek, Pedro Costa, Francisco Bumba, Luis Reis   +7 more
wiley   +1 more source