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

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature 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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Journal articles on the topic "Very High Cycle Fatigue, VHCF, ultrasonic testing, size effect"

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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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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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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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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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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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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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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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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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Dissertations / Theses on the topic "Very High Cycle Fatigue, VHCF, ultrasonic testing, size effect"

1

TRIDELLO, ANDREA. "A novel experimental approach for the assessment of size effect in VHCF." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2643503.

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The continuous increment of the required design lifetime for many machinery components and the experimental evidence that materials could fail at stress amplitudes below the conventional fatigue limit have led to a growing interest in the study of the Very-High-Cycle Fatigue (VHCF) behavior of materials. Experimental results showed that materials in the VHCF regime could fail generally due to cracks nucleating around defects within the material (internal nucleation). Therefore, it is generally acknowledged in the literature that the VHCF response of materials is strongly affected by the defect
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MONTAGNOLI, FRANCESCO. "Very-High Cycle Fatigue: Size Effects and Applications in Civil Engineering." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2945177.

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Book chapters on the topic "Very High Cycle Fatigue, VHCF, ultrasonic testing, size effect"

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Weidner, Anja, Alexander Schmiedel, Mikhail Seleznev, and Horst Biermann. "Influence of Internal Defects on the Fatigue Life of Steel and Aluminum Alloys in the VHCF Range." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_24.

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AbstractThis chapter concerns the influence of internal defects (i.e. nonmetallic inclusions, secondary phases and cast defects) on the fatigue lifetime of steel and aluminum alloys in the high cycle fatigue (HCF) and very high cycle fatigue (VHCF) regime. The detrimental effect of internal defects depends on multiple factors such as size, morphology, chemical composition, test temperature or position in the material. Specimens were tested after active and/or reactive melt filtration processes of the materials which served to influence the amount and size distribution of internal defects. Fati
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Conference papers on the topic "Very High Cycle Fatigue, VHCF, ultrasonic testing, size effect"

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Celli, Dino A., Justin Warner, Onome Scott-Emuakpor, and Tommy George. "Investigation of Self-Heating During Ultrasonic Fatigue Testing and Effect on Very High Cycle Fatigue Behavior of Titanium 6Al-4V." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-83443.

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Abstract Very high cycle fatigue (VHCF) data and experiments, 107−109 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 i
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Journal articles
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