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Relevant bibliographies by topics / Very High Cycle Fatigue, VHCF, ultrasonic testing, size effect / Journal articles

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Journal articles on the topic 'Very High Cycle Fatigue, VHCF, ultrasonic testing, size effect'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Tridello, Andrea, Davide Salvatore Paolino, and Massimo Rossetto. "Ultrasonic VHCF Tests on Very Large Specimens with Risk-Volume Up to 5000 mm3." Applied Sciences 10, no. 7 (2020): 2210. http://dx.doi.org/10.3390/app10072210.

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The research on the size-effects in Very-High-Cycle Fatigue (VHCF) has recently drawn the attention of several scholars. The fatigue cracks in VHCF originate from the largest defect present within the loaded material volume (risk-volume) and the larger the risk-volume, the larger the probability of critical defects affecting the VHCF response (size-effect). Many models have been proposed in the literature to deal with size-effects in VHCF. However, the proposed models cannot be validated on full-scale components, since VHCF tests are typically carried out with ultrasonic fatigue testing machin

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2

Tridello, A., D. S. Paolino, G. Chiandussi, and Massimo Rossetto. "Gaussian Specimens for Gigacycle Fatigue Tests: Evaluation of Temperature Increment." Key Engineering Materials 627 (September 2014): 85–88. http://dx.doi.org/10.4028/www.scientific.net/kem.627.85.

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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. In order to evaluate the effect of tested material volume (size-effect) on VHCF properties, the Authors recently proposed to adopt Gaussian specimens for VHCF tests. Investigation of size-effect with Gaussian specimen induces large mechanical power dissipation and temperature increment that must be taken into account. The present paper proposes an analytical model, which allows to approximately

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3

Ghadimi, Hamed, Arash P. Jirandehi, Saber Nemati, et al. "Effects of Printing Layer Orientation on the High-Frequency Bending-Fatigue Life and Tensile Strength of Additively Manufactured 17-4 PH Stainless Steel." Materials 16, no. 2 (2023): 469. http://dx.doi.org/10.3390/ma16020469.

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In this paper, small blocks of 17-4 PH stainless steel were manufactured via extrusion-based bound powder extrusion (BPE)/atomic diffusion additive manufacturing (ADAM) technology in two different orientations. Ultrasonic bending-fatigue and uniaxial tensile tests were carried out on the test specimens prepared from the AM blocks. Specifically, a recently-introduced small-size specimen design is employed to carry out time-efficient fatigue tests. Based on the results of the testing, the stress–life (S-N) curves were created in the very high-cycle fatigue (VHCF) regime. The effects of the print

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4

Gao, Tao, Zhidan Sun, Hongqian Xue, and Delphine Retraint. "Effect of Surface Mechanical Attrition Treatment on the very high cycle fatigue behavior of TC11." MATEC Web of Conferences 165 (2018): 09001. http://dx.doi.org/10.1051/matecconf/201816509001.

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As an important engine component material, TC11 (Ti-6.5Al-3.5Mo-1.5Zr-0.3Si) titanium alloy is subjected to high frequency cyclic loading and its failure occurs beyond 109 cycles. It is thus essential to investigate the very high cycle fatigue (VHCF) behavior of this alloy. Surface Mechanical Attrition Treatment (SMAT) is a promising surface treatment technique to improve fatigue strength by modifying the surface microstructure. Therefore, it is important to understand the fatigue damage and failure process of SMATed titanium alloy in the VHCF regime. In this work, VHCF tests of TC11 before an

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Gao, Tao, Zhidan Sun, Hongqian Xue, et al. "Effect of Turning on the Surface Integrity and Fatigue Life of a TC11 Alloy in Very High Cycle Fatigue Regime." Metals 10, no. 11 (2020): 1507. http://dx.doi.org/10.3390/met10111507.

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In this work, the effect of a turning process on fatigue performance of a Ti-6.5Al-3.5Mo-1.5Zr-0.3Si (TC11) titanium alloy is studied in the high cycle fatigue (HCF) and very high cycle fatigue (VHCF) regimes. For this purpose, the surface characteristics including surface morphology, surface roughness and residual stress were investigated. Moreover, axial fatigue tests were conducted with an ultrasonic fatigue testing system working at a frequency of 20 kHz. The results show that the turning process deteriorated the fatigue properties in both HCF and VHCF regimes. The fatigue strength at 1 ×

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6

Xiong, Zhihong, Takashi Naoe, and Masatoshi Futakawa. "Effect of Artificial Defects on the Very High Cycle Fatigue Behavior of 316L Stainless Steel." Metals 9, no. 4 (2019): 412. http://dx.doi.org/10.3390/met9040412.

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Widely used for structural materials in nuclear engineering, 316L austenitic stainless steel undergoes very high cycle fatigue (VHCF) throughout its service life. Since defects caused by service conditions are unavoidable in many engineering components during service life, the effects should be properly understood. In the present study, the effect of surface defects on the VHCF behavior were investigated on solution annealed (SA) and cold-worked (CW) 316L. Surface defects were artificially created using indentation. The VHCF test was conducted using an ultrasonic fatigue testing system. The re

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7

Bülbül, Fatih, Tina Kirsten, Marcel Wicke, Martina Zimmermann, Angelika Brückner-Foit, and Hans-Jürgen Christ. "Crack growth behaviour of aluminium wrought alloys in the Very High Cycle Fatigue regime." MATEC Web of Conferences 165 (2018): 20007. http://dx.doi.org/10.1051/matecconf/2018165020007.

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Investigations have shown that in the regime of Very High Cycle Fatigue (VHCF) “natural” crack initiation often takes place underneath the material surface leading to crack propagation without contact to atmospheric components. In order to elucidate the environmental damage contribution and its effect on the VHCF long crack propagation, fatigue experiments with alternating environment (vacuum and laboratory air) were performed. An ultrasonic fatigue testing system (USFT) equipped with a small vacuum chamber was applied that enables the in-situ examination of the long fatigue crack propagation

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8

Bülbül, Fatih, Tina Kirsten, Marcel Wicke, Martina Zimmermann, Angelika Brückner-Foit, and Hans-Jürgen Christ. "Crack growth behaviour of aluminium wrought alloys in the Very High Cycle Fatigue regime." MATEC Web of Conferences 165 (2018): 20007. http://dx.doi.org/10.1051/matecconf/201816520007.

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Investigations have shown that in the regime of Very High Cycle Fatigue (VHCF) “natural” crack initiation often takes place underneath the material surface leading to crack propagation without contact to atmospheric components. In order to elucidate the environmental damage contribution and its effect on the VHCF long crack propagation, fatigue experiments with alternating environment (vacuum and laboratory air) were performed. An ultrasonic fatigue testing system (USFT) equipped with a small vacuum chamber was applied that enables the in-situ examination of the long fatigue crack propagation

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9

Schneider, Norbert, Brita Pyttel, Christina Berger, and Matthias Oechsner. "Influence of Frequency and Testing Technique on the Fatigue Behaviour of Quenched and Tempered Steel in the VHCF-Regime." Advanced Materials Research 891-892 (March 2014): 1430–35. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.1430.

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Today in many cases ultrasonic testing machines with a frequency of f ≈ 20 kHz are used for investigations of the fatigue behaviour up to the very high cycle regime (VHCF-regime). A question that arises is if the results of these high frequency fatigue tests are comparable to conventional fatigue tests. This paper compares the fatigue behaviour of a quenched and tempered steel 50CrMo4 in two different tempered conditions investigated at low frequencies (f ≤ 400 Hz) on a servohydraulic testing machine and at a high frequency (f ≈ 20 kHz) on an ultrasonic fatigue testing machine. Effects which c

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10

Paolino, Davide S., Andrea Tridello, Jacopo Fiocchi, et al. "VHCF Response up to 109 Cycles of SLM AlSi10Mg Specimens Built in a Vertical Direction." Applied Sciences 9, no. 15 (2019): 2954. http://dx.doi.org/10.3390/app9152954.

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It is well-known that many manufacturing parameters affect the quasi-static and the fatigue response of additive manufacturing (AM) parts. In particular, due to the layer-by-layer production, the load orientation, with respect to the building direction, plays a fundamental role for the fatigue response. This paper investigates the fatigue response up to 109 cycles (very high cycle fatigue (VHCF)) of selective laser melting (SLM) AlSi10Mg specimens built in a vertical direction. Ultrasonic tension-compression tests (stress ratio of –1) are carried out on as-built Gaussian specimens with a large

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11

Khatibi, Golta, Ali Mazloum-Nejadari, Martin Lederer, Mitra Delshadmanesh, and Bernhard Czerny. "Fatigue life time modelling of Cu and Au fine wires." MATEC Web of Conferences 165 (2018): 06002. http://dx.doi.org/10.1051/matecconf/201816506002.

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In this study, the influence of microstructure on the cyclic behaviour and lifetime of Cu and Au wires with diameters of 25μm in the low and high cycle fatigue regimes was investigated. Low cycle fatigue (LCF) tests were conducted with a load ratio of 0.1 and a strain rate of ~2e-4. An ultrasonic resonance fatigue testing system working at 20 kHz was used to obtain lifetime curves under symmetrical loading conditions up to very high cycle regime (VHCF). In order to obtain a total fatigue life model covering the low to high cycle regime of the thin wires by considering the effects of mean stres

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12

Wen-jie, PENG, XUE Huan, GE rui, and PENG zhou. "The influential factors on very high cycle fatigue testing results." MATEC Web of Conferences 165 (2018): 20002. http://dx.doi.org/10.1051/matecconf/201816520002.

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When the fatigue cycle is extended from high cycle (105~107) to very high cycle (107~109), the fatigue testing results will be more sensitive to the influential factors such as specimen size, specimen surface roughness and the inclusion size. The influential factors on the very high cycle fatigue testing results are investigated in the present paper. Firstly, the design and control method for ultrasonic fatigue test were introduced for several specimen shapes. The effect of the shape, size and the surface roughness of specimen on the ultrasonic fatigue test results are investigated. Meanwhile,

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13

Jebieshia, T. R., Jong Min Kim, Jung Woo Kang, Seok Woo Son, and Heuy Dong Kim. "Microstructural and Very High Cycle Fatigue (VHCF) Behavior of Ti6Al4V—A Comparative Study." Materials 13, no. 8 (2020): 1948. http://dx.doi.org/10.3390/ma13081948.

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In this study, an investigation is carried out to evaluate and compare the material and physical properties of Grade 5 Titanium alloy (Ti6Al4V G5) samples of three different impeller manufacturers. The study aims to identify the efficient impeller core material from different Ti6Al4V G5 manufacturers. Ultrasonic fatigue test for Ti6Al4V samples of 100 horsepower (hp) centrifugal compressor impeller parts is performed before and after heat treatment. The effect of microstructure on Very High Cycle Fatigue (VHCF) behavior of Ti6Al4V is also analyzed and discussed in detail. Optical Microscopy (O

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14

Peng, Wen Jie, Yue Wang, Huan Xue, and Jia He. "On the Research and Application of Ultrasonic Fatigue Testing Technology." Key Engineering Materials 664 (September 2015): 62–67. http://dx.doi.org/10.4028/www.scientific.net/kem.664.62.

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In the present paper, the characteristic and the application of ultrasonic fatigue testing technology is illuminated. The main problems i.e. the size effect, the thermal effect and frequency effect due to the high frequency are discussed. The results show that: 1. As there is a size effect, a uniform specimen size should be adopted in the very-high cycle fatigue standard and for special designed specimen the designed size should be noted along with the fatigue test results; 2.the heat generation attributes mainly to the low yield strength and the high applied stress, as a result, ultrasonic fa

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15

Beck, Tilmann, Stephan A. Kovacs, and Fabian Ritz. "VHCF Behavior and Word Hardening of a Ferritic-Martensitic Steel at High Mean Stresses." Key Engineering Materials 664 (September 2015): 246–54. http://dx.doi.org/10.4028/www.scientific.net/kem.664.246.

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Low-pressure steam turbine blades undergo VHCF-loadings induced by inhomogenous flow behind the vanes resulting in excitation frequencies of ≈ 2 kHz for rotational speeds of 50 Hz and a typical number of stator vanes of ≈ 60. The VHCF loading is superimposed by considerable mean stresses caused by centrifugal forces. In the present study, the VHCF-behavior of the ferritic-martensitic turbine blade steel X10CrNiMoV12-2-2 is investigated using an ultrasonic fatigue testing system up to cycle numbers of 5∙109 at stress ratios from R = -1 up to 0.7, i.e. up to very high mean stresses. Generally, c

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16

Lee, Byung-Hoon, Sung-Woo Park, Soong-Keun Hyun, In-Sik Cho, and Kyung-Taek Kim. "Mechanical Properties and Very High Cycle Fatigue Behavior of Peak-Aged AA7021 Alloy." Metals 8, no. 12 (2018): 1023. http://dx.doi.org/10.3390/met8121023.

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The effect of heat treatment condition on non-Cu AA7021 alloy was investigated with respect to mechanical properties and very high cycle fatigue behavior. With a focus on the influence of heat treatment, AA7021 alloy was solution heat-treated at 470 °C for 4 h and aged at 124 °C. Comparing the results of solution-treated and peak-aged AA7021 alloy shows a significant increase in Vickers hardness and tensile strength. The hardness of AA7021 alloy was increased by 65% after aging treatment, and both tensile strength and yield strength were increased by 50~80 MPa in each case. In particular, this

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17

Zeng, Qu, Weijun Hui, Xuke Yao, et al. "Very‐High‐Cycle Fatigue Performance of High‐Carbon–Chromium Bearing Steel With Different Hydrogen Contents." Fatigue & Fracture of Engineering Materials & Structures, June 2, 2025. https://doi.org/10.1111/ffe.14697.

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ABSTRACTThe very‐high‐cycle fatigue (VHCF) behavior of a high‐carbon–chromium bearing steel with different hydrogen contents was investigated using ultrasonic fatigue testing. The results show that the VHCF property of the vacuum heat–treated sample VA with 0.29 ppm H is comparable to that of the air heat–treated one NH with 0.38 ppm H, while it was significantly reduced for the electrochemically hydrogen charged sample CH with 1.69 ppm H, a decrease of fatigue strength at 109 cycles by ~20%. An increase in hydrogen content exhibited noticeable influence on decreasing the size of granular brig

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18

A., Tridello, Boursier Niutta C., Berto F., and Paolino D.S. "Size-effect in Very High Cycle Fatigue: A review." International Journal of Fatigue 153 (August 2, 2022). https://doi.org/10.1016/j.ijfatigue.2021.106462.

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It is well-known that fatigue failures in VHCF originate from defects present within the risk-volume. Moreover, experimental results have shown that the larger the specimen size and the risk-volume, the shorter is the VHCF life. This is known as <em>size-effect</em> and is generally due to the statistical increment of the defect size with the material volume. In the paper, size-effect in VHCF is critically revised. The experimental results obtained by testing specimens with different sizes are analyzed and the methodologies proposed to model size-effect are discussed, with the aim of

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19

Celli, Dino, Onome Scott-Emuakpor, Justin Warner, and Tommy George. "Investigation of Self-Heating During Ultrasonic Fatigue Testing and Effect On Very High Cycle Fatigue Behavior of Titanium 6Al-4V." Journal of Engineering for Gas Turbines and Power, September 22, 2022. http://dx.doi.org/10.1115/1.4055726.

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Abstract Very high cycle fatigue (VHCF) data and experiments, 10^7-10^9 cycles to failure, has traditionally been both a cumbersome and costly task to perform. However, characterizing VHCF behavior of material systems are critical for the design and sustainability of turbine engines as outlined in the turbine engine structural integrity program (ENSIP). With recent advancements, ultrasonic fatigue test systems have become increasingly available to generate VHCF fatigue data. A primary consideration for ultrasonic fatigue testing is the frequency of loading, the resulting thermal evolution, and

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20

Teixeira, M. C., M. Awd, F. Walther, and M. V. Pereira. "Influence of the Loading Frequency on Very High Cycle Fatigue Behavior of Structural Steels." Fatigue & Fracture of Engineering Materials & Structures, November 17, 2024. http://dx.doi.org/10.1111/ffe.14483.

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ABSTRACTIn ultrasonic fatigue tests, the VHCF properties can be determined in a reasonable time. Nevertheless, the high frequency can affect the fatigue behavior for some materials. This study investigated the fatigue capability of 34CrNiMo6 and 42CrMo4 steels, both of which find widespread applications in several mechanical components. These steels were carried out for conventional and ultrasonic fatigue tests under fully reversed testing conditions. A microplasticity strain amplitude was calculated, indicating an order of magnitude decreases around 10–100, when compared with the experimental

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