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Quantitative fractography in bending-torsion fatigue
Materials Science and Engineering: A, 2007Abstract The paper deals with a quantitative analysis of fracture surface roughness generated under combined bending-torsion fatigue in a high-strength low-alloy steel. Changes in several amplitude, spectral and hybrid profile roughness parameters are investigated for sets of profiles parallel and perpendicular to the local crack propagation ...
Karel Slámečka +2 more
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Bending fatigue characteristics of nanohoneycomb structures
Composite Structures, 2008Nanohoneycomb beam structures of Anodic Aluminum Oxide (AAO) were fabricated by a two-step anodization process. The bending fatigue properties of nanohoneycomb structures were measured using a Nano-Universal Testing Machine (UTM) under cyclic three-point bending.
Jeon, JH +4 more
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Bending Fatigue of Thermal Barrier Coatings
Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, 2017Thermal barrier coatings (TBCs) are ceramic coatings used in gas turbines to lower the base metal temperature. During operation, the TBC may fail through, for example, fatigue. In the present study, a TBC system deposited on a Ni-base alloy was tested in tensile bending fatigue. The TBC system was tested as-sprayed and oxidized and two load levels were
Robert Eriksson +2 more
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Materials Science & Engineering: A, 2018
The rotary-bending fatigue tests of a high Nb-containing beta-gamma TiAl alloy based on microstructure control have been conducted at 800 °C. A fine nearly lamellar microstructure with the lamellar colony of 80 µm and slight content of B2 phase of 2% is ...
Yulun Wu, R. Hu, Jieren Yang, X. Xue
semanticscholar +1 more source
The rotary-bending fatigue tests of a high Nb-containing beta-gamma TiAl alloy based on microstructure control have been conducted at 800 °C. A fine nearly lamellar microstructure with the lamellar colony of 80 µm and slight content of B2 phase of 2% is ...
Yulun Wu, R. Hu, Jieren Yang, X. Xue
semanticscholar +1 more source
Materialia, 2018
High-entropy alloys (HEAs) have attracted a great deal of interest and high expectations not only from the scientific community, but also from the industrial point of view, mainly because of a remarkable combination of promising properties.
B. Guennec +6 more
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High-entropy alloys (HEAs) have attracted a great deal of interest and high expectations not only from the scientific community, but also from the industrial point of view, mainly because of a remarkable combination of promising properties.
B. Guennec +6 more
semanticscholar +1 more source
Allowable Bending Fatigue Stress of Rails
Practice Periodical on Structural Design and Construction, 2015Allowable bending fatigue stress is an important input for rail section design because of the nature of repeated loading on railways. The majority of rail failures have their origin in fatigue. In the American Railroad Engineering and Maintenance-of-Way Association (AREMA), there is only a fatigue test under the name of rolling load test for bonded ...
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Journal of materials engineering and performance (Print), 2021
Hailong Deng +5 more
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Hailong Deng +5 more
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Mechanical Bending Fatigue Life Prediction Analysis
2003The fatigue life prediction of solder joints under cyclic bending requires a three-stage analysis: (1) a three-dimensional finite element analysis with linear material properties for computing the assembly stiffness and imposed strain values, (2) a one-dimensional combined creep and time-independent plastic deformation analysis under cyclic loading for
Erdogan Madenci +2 more
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