Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Douglas N. Wells"'
Publikováno v:
Journal of Materials Processing Technology. 302:117475
V této studii byl zkoumán vliv různých povrchových úprav jako je pískování, vlečné omílání, soustružení, broušení a kombinace broušení + vlečné omílání, na drsnost povrchu a únavové vlastnosti 3D tištěného materiálu Inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eaa48101476b27c527e82f3f46d2bda9
https://doi.org/10.1016/j.jmatprotec.2021.117475
https://doi.org/10.1016/j.jmatprotec.2021.117475
Autor:
Tsuyoshi Nakagawa, Eric R. Burke, Jess M. Waller, Johannes Gumpinger, Akio Koike, T. Ghidini, Tsuyoshi Itoh, Martin Born, Douglas N. Wells, Charles Nichols, Masami Mitsui, Ana D. Brandão
Publikováno v:
Structural Integrity of Additive Manufactured Parts ISBN: 9780803176867
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78826d4dd943a05da7a6f8fbc9382a63
https://doi.org/10.1520/stp162020180106
https://doi.org/10.1520/stp162020180106
Autor:
Douglas N. Wells, Mohsen Seifi, Richard Russell, Jess Waller, Nima Shamsaei, Eric Allen Ott, Hector Sandoval, Behrang Poorganji, Tsuyoshi Nakagawa
Additive manufacturing is being increasingly used to develop new metal products in the aerospace sector. However, like in other commercial materials and processes, variation in part quality and mechanical properties due to inadequate control of dimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6938a30b04f4ec622a93e61d01373946
https://doi.org/10.1016/b978-0-12-814062-8.00003-0
https://doi.org/10.1016/b978-0-12-814062-8.00003-0
Publikováno v:
Wells, D N, James, M A, Allen, P A & Wallin, K R W 2018, ' A review of the proposed K Isi offset-secant method for size-insensitive linear-elastic fracture toughness evaluation ', Materials Performance and Characterization, vol. 7, no. 2 . https://doi.org/10.1520/MPC20170151
Recently proposed modifications to ASTM E399, Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials, would provide a new size-insensitive approach to analyzing the force-displacement test record. The propos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0794396434e904785dccdd69e9c05631
https://cris.vtt.fi/en/publications/814a8229-1631-4a27-9ba8-9b8cba8ec776
https://cris.vtt.fi/en/publications/814a8229-1631-4a27-9ba8-9b8cba8ec776
Autor:
Douglas N. Wells, Phillip A. Allen
Publikováno v:
Engineering Fracture Mechanics. 119:173-201
No closed form solutions exist for the elastic–plastic J-integral for surface cracks due to the nonlinear, three-dimensional (3-D) nature of the problem. Traditionally, each surface crack case must be analyzed with a unique and time-consuming nonli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7896b521bca99793146b6fe21e3dfe67
https://doi.org/10.1016/j.engfracmech.2014.02.021
https://doi.org/10.1016/j.engfracmech.2014.02.021
Phase II Results of an Analytical Round Robin for Elastic-Plastic Analysis of Surface Cracked Plates
Autor:
Phillip A. Allen, Douglas N. Wells
Publikováno v:
Materials Performance and Characterization. 7:20170144
The second phase of an analytical round robin for the elastic-plastic analysis of surface cracks in flat plates was conducted under the auspices of ASTM Interlaboratory Study 732. The interlaboratory study (ILS) had ten participants with a broad rang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8f24d398296d65f518aa04cdda39471
https://doi.org/10.1520/mpc20170144
https://doi.org/10.1520/mpc20170144
Autor:
Douglas N. Wells, Phillip A. Allen
As fracture mechanics material testing evolves, the governing test standards continue to be refined to better reflect the latest understanding of the physics of the fracture processes involved. The traditional format of ASTM fracture testing standard
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd8386fa5765f33b9c712371406a8dd8
https://doi.org/10.1520/stp157120130062
https://doi.org/10.1520/stp157120130062