Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Yi-Der Lee"'
Publikováno v:
Volume 4: Materials and Fabrication.
This paper describes a new stress-intensity factor (SIF) solution for an external surface crack in a sphere that expands capabilities previously available for this common pressure vessel geometry. The SIF solution employs the weight function (WF) met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3661bd2298b26bdb2b4c5d7b7190a9c
https://doi.org/10.1115/pvp2021-61397
https://doi.org/10.1115/pvp2021-61397
Publikováno v:
ICAF 2019 – Structural Integrity in the Age of Additive Manufacturing ISBN: 9783030215026
This paper summarizes five years of research into new stress-intensity factor (SIF) solutions for radially advancing cracks at holes in tapered and obliquely loading lugs. To our knowledge, these solutions are the first direct methods capable of anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::448cbbd20d497345e1c5e78408d60ca4
https://doi.org/10.1007/978-3-030-21503-3_40
https://doi.org/10.1007/978-3-030-21503-3_40
Autor:
Michael P. Enright, James C. Sobotka, R. Craig McClung, Colin B. Thomas, D. Benjamin Guseman, Jonathan P. Moody, Yi-Der Lee, Vikram Bhamidipati
Publikováno v:
Volume 7A: Structures and Dynamics.
Recent advances in practical engineering methods for fracture analysis of turbomachinery components are described. A comprehensive set of weight function (WF) stress intensity factor (SIF) solutions for elliptical and straight cracks under univariant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07c3b9801cc28bc7d304e87da188d714
https://doi.org/10.1115/gt2018-75400
https://doi.org/10.1115/gt2018-75400
Autor:
Jonathan P. Moody, R. Craig McClung, Michael P. Enright, Yi-Der Lee, Irving Gray, John McFarland, James C. Sobotka, Joseph N. Gray
Publikováno v:
Volume 7A: Structures and Dynamics.
Additive manufacturing processes produce components that may introduce material anomalies at any location within a component. NDE inspection can be used to find and remove anomalies that could grow to failure during the service life, but two key inpu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9fb1f6d387e88224eaec5d8943899d0
https://doi.org/10.1115/gt2018-77058
https://doi.org/10.1115/gt2018-77058
Publikováno v:
Advanced Materials Research. :1009-1014
Recently a new methodology was developed for automated fatigue crack growth (FCG) life analysis of components based on finite element stress models, weight function stress intensity factor solutions, and algorithms to define idealized fracture geomet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdfce98745131f3736402bbcd1291322
https://doi.org/10.4028/www.scientific.net/amr.891-892.1009
https://doi.org/10.4028/www.scientific.net/amr.891-892.1009
Autor:
Jonathan P. Moody, Paul A. Wawrzynek, Michael P. Enright, Yi-Der Lee, B.J. Carter, R. Craig McClung
Publikováno v:
Volume 7A: Structures and Dynamics.
Most current tools and methodologies to predict the life and reliability of fracture critical gas turbine engine components rely on stress intensity factor solutions that assume highly idealized component and crack geometries, and this can lead to hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c1c107319f51133fa0f8db52ed07085
https://doi.org/10.1115/gt2016-57877
https://doi.org/10.1115/gt2016-57877
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 31:1004-1016
This paper summarizes the development of an efficient stress intensity factor (SIF) solution scheme applicable to a corner crack (CC) in a rectangular section subjected to arbitrary stressing on the crack plane. A general bivariant weight function (W
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::817fb8f399759bbac49e39fee5bc777e
https://doi.org/10.1111/j.1460-2695.2008.01292.x
https://doi.org/10.1111/j.1460-2695.2008.01292.x
Publikováno v:
Defect and Diffusion Forum. 266:73-82
First–principle computational methods have been utilized to compute the diffusion mobility of Mo, Cr, Fe, and W. A local density-based full-potential linearized augmented plane wave (FLAPW) code, named WIEN2K, was utilized to compute the electronic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86c60eb503315b12fd45afa021d44de4
https://doi.org/10.4028/www.scientific.net/ddf.266.73
https://doi.org/10.4028/www.scientific.net/ddf.266.73
Publikováno v:
Metallurgical and Materials Transactions A. 37:2039-2050
A first-principles quantum-mechanical computational code has been used to compute the energy of formation for selected ordered and topologically close-packed (TCP) phases in a Ni-base alloy. The thermodynamic data are incorporated into an existing da
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad9b6a6d026379a5a868ce6deb5cd0c3
https://doi.org/10.1007/bf02586124
https://doi.org/10.1007/bf02586124
Publikováno v:
Journal of Engineering Materials and Technology. 127:2-7
The fatigue crack growth (FCG) behavior of PWA1484 single crystals was characterized in air under mixed-mode loading at 593°C as a function of crystallographic orientation using an asymmetric four-point bend test technique. Most mixed-mode fatigue c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f062923a7cf344ca9fe2dfad7e2c82af
https://doi.org/10.1115/1.1836765
https://doi.org/10.1115/1.1836765