Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Kristina Langer"'
Publikováno v:
IEEE Access, Vol 8, Pp 111460-111474 (2020)
Estimation of black-box functions often requires evaluating an extensive number of expensive noisy points. Learning algorithms can actively compare the similarity between the evaluated and unevaluated points to determine the most informative subseque
Externí odkaz:
https://doaj.org/article/31fdf346dbe94e3ea7b789366e92f1f7
Autor:
Jino Mathew, Rohit Kshirsagar, Suraiya Zabeen, Niall Smyth, Stratis Kanarachos, Kristina Langer, Michael E. Fitzpatrick
Publikováno v:
Applied Sciences, Vol 11, Iss 7, p 2888 (2021)
Laser shock peening (LSP) as a surface treatment technique can improve the fatigue life and corrosion resistance of metallic materials by introducing significant compressive residual stresses near the surface. However, LSP-induced residual stresses a
Externí odkaz:
https://doaj.org/article/b67da3e652e74eb29e50838bc2c8a00e
Publikováno v:
IEEE Access, Vol 8, Pp 128239-128239 (2020)
In the above article [1], errors related to symbols, equation numbers, and demonstration of Algorithm 2 were spotted. The corrections had no influence on the results, discussion, or conclusion of the article.
Externí odkaz:
https://doaj.org/article/e827bc2f8417419bb1640f944544bc9e
Publikováno v:
Metals, Vol 10, Iss 1, p 93 (2020)
Laser shock peening has become a commonly applied industrial surface treatment, particularly for high-strength steel and titanium components. Effective application to aluminum alloys, especially in the thin sections common in aerospace structures, ha
Externí odkaz:
https://doaj.org/article/2f9662b52fa14901938ad2d79ead79b5
Autor:
Kristina Langer, Steven Olson, Robert Brockman, William Braisted, Thomas Spradlin, Michael E. Fitzpatrick
Publikováno v:
The Journal of Engineering (2015)
Finite element modeling can be a powerful tool for predicting residual stresses induced by laser peening; however the sign and magnitude of the stress predictions depend strongly on how the material model captures the high strain rate response. Altho
Externí odkaz:
https://doaj.org/article/d4e2a76a775c47dc9997e69881539a49
Publikováno v:
IEEE Access, Vol 8, Pp 111460-111474 (2020)
Estimation of black-box functions often requires evaluating an extensive number of expensive noisy points. Learning algorithms can actively compare the similarity between the evaluated and unevaluated points to determine the most informative subseque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af8711c9c5dc707ff41fcebc30fbbfde
https://doi.org/10.1109/access.2020.3002819
https://doi.org/10.1109/access.2020.3002819
Publikováno v:
Quality and Reliability Engineering International. 35:1911-1928
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf70281815b5ea59f7419abe28028415
https://doi.org/10.1002/qre.2483
https://doi.org/10.1002/qre.2483
Autor:
Francisco Cordovilla, N.S. Smyth, Michael E. Fitzpatrick, Kristina Langer, José Luis Ocaña, Ignacio Angulo, Ángel García-Beltrán
Publikováno v:
International Journal of Mechanical Sciences. 156:370-381
Laser shock processing (LSP) is a mechanical surface treatment to induce a compressive residual stress state into the near surface region of a metallic component. The effect of the cyclic deformation properties of ductile materials on the final resid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::380edccab5edee5ec2ff1d2d9f1bd33a
https://doi.org/10.1016/j.ijmecsci.2019.03.029
https://doi.org/10.1016/j.ijmecsci.2019.03.029
Publikováno v:
Surface and Coatings Technology. 347:123-135
We have investigated the hardening response, residual stress generation and microstructural changes in aluminium alloy 2624 owing to laser shock peening. The alloy was studied in two heat treatment conditions, T351 and T39, that have 20% difference i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3b4012f6fece5c5806580548c4b1152
https://doi.org/10.1016/j.surfcoat.2018.04.069
https://doi.org/10.1016/j.surfcoat.2018.04.069
Autor:
Bjørn Clausen, Seung-Yub Lee, Michael E. Fitzpatrick, Donald W. Brown, Ismail C. Noyan, Adrian Brügger, Stefano Coratella, Kristina Langer
Publikováno v:
Experimental Mechanics. 58:799-814
We present a comprehensive study of the effects of internal boundaries on the accuracy of residual stress values obtained from the eigenstrain method. In the experimental part of this effort, a composite specimen, consisting of an aluminum cylinder s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29bc47efa97926c9eccd40acc50b8e8d
https://doi.org/10.1007/s11340-018-0378-3
https://doi.org/10.1007/s11340-018-0378-3