Results 131 to 140 of about 301 (157)

Corrosion-fatigue of additively manufactured Ti6Al4V. [PDF]

J Mech Behav Biomed Mater
Hogg WW, Jamal M, Zuckschwerdt NW, Hess CM, Bose S, Bandyopadhyay A.   +5 more
europepmc   +1 more source

Current status and future perspectives of low-temperature electrolytes for supercapacitors. [PDF]

Chem Sci
Ma C, Das P, Shi X, Zhou F, Wu ZS.
europepmc   +1 more source

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Tooth Bending Strength in the VHCF Area

Volume 11: 2023 International Power Transmission and Gearing Conference (PTG), 2023
Abstract The use of gears in electrified drivetrains and aircraft turbines leads to higher operating speeds and a higher number of load cycles at the pinion. Load cycles of N > 107 in the Very High Cycle Fatigue (VHCF) area cause a decrease in the endurance strength of case-hardened steels.
Zalfen, Moritz, Mevissen, Dieter, Brimmers, Jens, Brecher, Christian   +3 more
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Microstructure-sensitive HCF and VHCF simulations

International Journal of Fatigue, 2013
Abstract This paper provides some background and historical review of how microstructure-sensitive finite element simulations can play a role in understanding the effects of stress amplitude, R -ratio, and microstructure on fatigue crack formation and early growth at notches, including pores and non-metallic inclusions for Ti alloys and Ni-base ...
Craig P. Przybyla, William D. Musinski, Gustavo M. Castelluccio, David L. McDowell   +3 more
openaire   +1 more source

Experimental-Numerical Assessment of Critical SIF from VHCF Tests

Key Engineering Materials, 2016
The continuous enhancement of reliability and durability requirements for many machinery components is significantly pushing the experimental research on the Very-High-Cycle Fatigue (VHCF) response of metallic materials. In order to significantly reduce testing time, ultrasonic testing machines are widely adopted when carrying out VHCF tests.
HASANI NAJAFABADI, SEYED HUSEIN, PAOLINO, Davide Salvatore, TRIDELLO, ANDREA, CHIANDUSSI, GIORGIO, ROSSETTO, Massimo   +4 more
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DAMAGE PHENOMENA OF FIBRE REINFORCED COMPOSITES UNDER VHCF-LOADING

2013
Within the paper the development of test principles for the characterisation of the VHCF phenomena and of damage models for NCF-CFRP as a basis for novel fatigue life evaluation methods is described.
Gude, Maik, Hufenbach, Werner, Koch, Ilja, Koschichow, Roman, Schulte, Karl, Knoll, J.   +5 more
openaire   +1 more source

VHCF test and life distribution of aluminum alloy LC4CS

International Journal of Fatigue, 2008
Very high cycle fatigue (VHCF) test of 82 aluminum alloy LC4CS specimens was done by piezo-electric fatigue testing machine and fatigue life data were obtained. The obtained fatigue life data showed that the fatigue life distribution of the alloy under VHCF has a characteristic of duplex peak, which is related to the locations of fatigue crack ...
W YAO, S GUO
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Deriving a Continuous Fatigue Life Curve from LCF to VHCF

SAE Technical Paper Series, 2017
<div class="section abstract"><div class="htmlview paragraph">Fatigue testing is known to be time consuming and expensive. Therefore, it should be the main target of fatigue research to accelerate the derivation of fatigue properties. Depending on the required properties, strain- or load-controlled fatigue tests have to be performed.< ...
Rainer Wagener, Tobias Melz
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Crack initiation mechanisms in AA6082 fatigued in the VHCF-regime

International Journal of Fatigue, 2014
Abstract Over the last decades research activities in the field of very high cycle fatigue (VHCF) have strongly increased. It has been shown important to distinguish between single phase inclusion free type I and multiphase type II materials. Although, considerable efforts were made, the basic understanding of the dominating deformation/damage ...
J. Bach, H.W. Höppel, M. Prell, M. Göken   +3 more
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VHCF-behavior of helical compression springs made of different materials

International Journal of Fatigue, 2011
Abstract This paper reports on procedure and preliminary research results of long-term fatigue tests up to a number of 109 cycles on shot peened helical compression springs with two basic dimensions, made of three different spring materials. The corresponding research project was initiated together with a working group of the Association of German ...
B. Kaiser, B. Pyttel, C. Berger
openaire   +1 more source