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Published in 2017 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-017-0271-x
Abstract: Military aircraft engines operate under arduous environmental conditions with rapid throttle excursions as a part of its mission requirements. Life of an aircraft engine particularly of a military class is limited by the longevity of…
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Keywords:
aircraft;
degradation;
creep life;
microstructure degeneration ... See more keywords
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Published in 2019 at "Integrating Materials and Manufacturing Innovation"
DOI: 10.1007/s40192-019-00161-4
Abstract: Accurate creep life prediction is necessary for the evaluation of the remaining creep lives of in-service turbine blades and for the design of new turbine blades in aircraft engines. In this study, an integrated computational…
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Keywords:
creep life;
remaining creep;
turbine blades;
service ... See more keywords
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Published in 2018 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2018.08.006
Abstract: Abstract This paper reports the cavity damage in one 9%Cr steel (T92) welded joints during creep. The creep test was conducted at 973 K with applied stress of 90 MPa. The welded specimen ultimately fractured at the…
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Keywords:
creep life;
cavity;
analysis cavity;
heat ... See more keywords
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Published in 2021 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2021.104352
Abstract: Abstract In this paper, a composite model is proposed to describe the overall creep deformation by combining the power and logarithmic laws and considering the relationship between strengthening and softening in the creep deformation. The…
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Keywords:
composite model;
heat resistant;
p92 heat;
model ... See more keywords
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Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.108991
Abstract: Abstract Residual creep life evaluation is an essential part of Fitness-For-Service (FFS) assessment for engineering components operating at elevated temperatures. This paper elaborates a new evaluation approach based on macro-pillar compression testing (MPCT) and Omega…
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Keywords:
residual creep;
evaluation;
creep life;
omega method ... See more keywords
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Published in 2017 at "Polymer Testing"
DOI: 10.1016/j.polymertesting.2017.09.022
Abstract: Abstract The creep life of aluminum conductor composite core (ACCC) utilized in high voltage electric transmission was investigated using an experimental method based on the equivalence relationship. First, the time-temperature-stress equivalence relationship was developed using…
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Keywords:
composite core;
creep life;
conductor composite;
time ... See more keywords
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Published in 2019 at "Materials at High Temperatures"
DOI: 10.1080/09603409.2019.1570701
Abstract: ABSTRACT The principal objective of work was to develop fast and accurate method for online creep life monitoring of steam turbine rotors. For this purpose, a characteristic strain model of creep was investigated and validated…
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Keywords:
turbine rotors;
monitoring steam;
method online;
creep life ... See more keywords