Results 71 to 80 of about 2,412 (266)

Influences on the Fatigue Strength of Laser‐Welded High‐Purity Copper Connections

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 10, Page 4148-4160, October 2025.
ABSTRACT Due to their excellent conducting properties, components made of high‐purity copper are increasingly being used in the field of electrified applications. In particular for components with welded joints made of high‐purity copper, there is still no computational basis for evaluating the fatigue strength of these joints.
Matthias Lauf, Stefan Pruy, Christian Hollmann, Peter Hantschke, Markus Kästner   +4 more
wiley   +1 more source

Very High Cycle Fatigue Performance of Ductile Cast Iron With Different Microstructures

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 9, Page 3950-3966, September 2025.
ABSTRACT The very high cycle fatigue performance of four ductile cast irons, a solid solution strengthened ferritic, ferritic‐pearlitic, and two austempered ductile cast irons, was investigated by ultrasonic fatigue testing under fully reversed loading conditions. The step‐stress fatigue testing method incorporating re‐use of runouts was employed, with
Max Ahlqvist, Kenneth Weddfelt, Daniel Leidermark, Viktor Norman   +3 more
wiley   +1 more source

Experimental on ultrahigh frequency vibration fatigue of GH4169 nickel-based superalloy

Journal of Aeronautical Materials
To address the very high cycle fatigue（VHCF）issue of GH4169 nickel-based superalloy，which is widely utilized in aero-engines，a fatigue specimen subjected to 20 kHz ultrahigh frequency vibration is designed and tested utilizing a piezoelectric ultrasonic ...
WANG Zhaohan, PAN Kai, CHEN Yonghui, HANG Chao, WANG Yongjie, YAN Qun   +5 more
doaj   +1 more source

Cumulative Damage in Very High/Low Cycle Combined Fatigue for TC21 Titanium Alloy

Crystals, 2022
The effect of low cycle fatigue (LCF) predamage with no precracks on very high cycle fatigue (VHCF) properties, and crack initiation characteristics for TC21 titanium alloy, was investigated.
Baohua Nie, Shuai Liu, Yue Wu, Yu Song, Haiying Qi, Binqing Shi, Zihua Zhao, Dongchu Chen   +7 more
doaj   +1 more source

Effect of Stress Ratio on Very High Cycle Fatigue Properties of PM‐HIPed Inconel 625

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 8, Page 3593-3610, August 2025.
ABSTRACT This study investigated the impact of stress ratio on the fatigue performance and fatigue crack initiation characteristics of PM‐HIPed Inconel 625 in the very high cycle regimes. Ultrasonic fatigue tests, operating at a frequency of 20 kHz, were conducted on PM‐HIPed Inconel 625 samples under stress ratios of R = −1 and 0.1 up to the ultimate ...
Faezeh Javadzadeh Kalahroudi, Dimitrios Nikas, Tomas Berglund, Mikael Grehk   +3 more
wiley   +1 more source

Gaussian specimens for VHCF tests: Analytical prediction of damping effects [PDF]

, 2016
Experimental tests investigating Very-High-Cycle Fatigue (VHCF) properties of materials are commonly performed with ultrasonic testing machines which allow for a significant reduction of testing time but induce a relevant temperature increment in ...
Rossetto, Massimo, Tridello, Andrea, Paolino, Davide Salvatore, Chiandussi, Giorgio   +3 more
core   +1 more source

Fractographic Analysis and Fatigue Behavior of Additively Manufactured Ni‐Superalloy Components with Post Processing Heat Treatment and Hot Isostatic Pressing

Advanced Engineering Materials, Volume 27, Issue 12, June 2025.
A study of mechanical properties and fractography of PBF‐LB/M‐built Inconel 718, performing heat treatments and hot‐isostatic pressing, is presented. Ultimate tensile strength and fatigue behavior are evaluated, examining differences in maximum load behavior, elongation, and regimes of fatigue.
David Sommer, Ben Truetsch, Cemal Esen, Ralf Hellmann   +3 more
wiley   +1 more source

Very HIgh Cycle Fatigue (VHCF) behavior of high strength alloys : A literature review

, 2023
Very High Cycle Fatigue (VHCF) response of metallic materials is considered of significance importance, particularly for high- demanding applications. Since it is proved that most of the engineering materials do not exhibit a conventional fatigue limit ...
Chantziara, Katerina
core   +1 more source

Fatigue performance criteria for CFRP Reinforcements Based on RC behavior in civil construction

Journal of Asian Architecture and Building Engineering
This study aims to develop fatigue performance criteria for Carbon Fiber Reinforced Polymer (CFRP) reinforcements, considering the mechanical behavior of Reinforced Concrete (RC) structures. Fatigue tests were conducted to create S-N and ε-N curves based
Young-Jun Bae, Viriavudh Sim, Sang-Moon Lee, Woo-Young Jung   +3 more
doaj   +1 more source

Influence of defects on the very high cycle fatigue behaviour of forged aeronautic titanium alloy

MATEC Web of Conferences, 2014
This paper is focused on fatigue failure of forged aeronautic titanium alloy Ti-6Al-4Mo under VHCF loading. Continuous fatigue tests were carried out in gigacycle fatigue regime (up to on 1010 cycles) on specimens machined from real aircraft compressor ...
Nikitin Alexander, Palin-Luc Thierry, Shanyavskiy Andrey, Bathias Claude   +3 more
doaj   +1 more source