Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Ralph B. Dinwiddie"'
Autor:
Ahmed Arabi Hassen, Ralph B. Dinwiddie, Seokpum Kim, Halil Levent Tekinalp, Vipin Kumar, John Lindahl, Pritesh Yeole, Chad Duty, Uday Vaidya, Hsin Wang, Vlastimil Kunc
Publikováno v:
Polymer Composites. 43:3678-3690
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02032fb1fbd724f0f9dc1b50794c2ea5
https://doi.org/10.1002/pc.26645
https://doi.org/10.1002/pc.26645
Autor:
James W. Klett, B. Böswirth, H. Greuner, Arnold Lumsdaine, Dennis L. Youchison, Monica Gehrig, Ralph B. Dinwiddie
Publikováno v:
IEEE Transactions on Plasma Science
A densified graphite foam is being explored for its applicability as plasma-facing material in fusion devices. Three different graphite foam monoblocks are constructed and tested in the Garching Large Divertor Sample Testing Facility. The monoblock s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20fe88dc4ba1515272396618ec87a676
https://doi.org/10.1109/tps.2020.2982622
https://doi.org/10.1109/tps.2020.2982622
Autor:
Kazutoshi Tokunaga, Yutai Katoh, Yoshio Ueda, Adrian S. Sabau, Charles R. Schaich, Ralph B. Dinwiddie, James O. Kiggans, Daniel T. Moore, Michael G. Littleton
Publikováno v:
Fusion Science and Technology. 75:690-701
Assessing the effect of neutron irradiation of plasma-facing materials has been challenging due to both the technical and radiological challenges involved. In an effort to address the radio...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db8f1e8e189eb28b2bbe97fb232640aa
https://doi.org/10.1080/15361055.2019.1623571
https://doi.org/10.1080/15361055.2019.1623571
Autor:
Ngoc A. Nguyen, Ralph B. Dinwiddie, Rama K. Vasudevan, Vlastimil Kunc, Jong K. Keum, John Lindahl, Peng Liu, Stephen Jesse
Publikováno v:
Composites Science and Technology. 168:263-271
Extrusion based high-throughput Additive Manufacturing (AM) provides a rapid and versatile approach for producing complex structures by using a variety of polymer materials. An underexplored aspect of this technique is concerned with the formation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9c1e9a7e8ab44b8ebcc0ee81bd2fff3
https://doi.org/10.1016/j.compscitech.2018.09.010
https://doi.org/10.1016/j.compscitech.2018.09.010
Autor:
Kinga A. Unocic, Ralph B. Dinwiddie, F.A. List, Keith Carver, S. J. Foster, S. Suresh Babu, Anil Chaudhary
Publikováno v:
Metallurgical and Materials Transactions A. 49:5775-5798
Components made by laser powder bed fusion (L-PBF) additive processes require extensive trial and error optimization to minimize defects and arrive at targeted microstructure and properties. In this work, in situ infrared thermography and ex situ sur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c2e0056d700d53d2221ca2aec6d7074
https://doi.org/10.1007/s11661-018-4870-2
https://doi.org/10.1007/s11661-018-4870-2
Characterization of the Martensitic Transformation in NiPtAl Alloy Using Digital Holographic Imaging
Autor:
Benjamin P. Thiesing, Ralph B. Dinwiddie, Christopher J. Mann, Sebastien N. Dryepondt, Donovan N. Leonard
Publikováno v:
Metallurgical and Materials Transactions A. 49:5259-5270
Surface reliefs due to phase transformations in a 56.8Ni-5.6Pt-37.6Al at. pct alloy were characterized in situ using digital holographic imaging during thermal cycling from room temperature up to 405 K (132 °C). The 3D images of the surface revealed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07180995555efb625ce45c1d4c5387ec
https://doi.org/10.1007/s11661-018-4866-y
https://doi.org/10.1007/s11661-018-4866-y
Autor:
Ryan R. Dehoff, Narendran Raghavan, Michael M. Kirka, John A. Turner, Yousub Lee, Ralph B. Dinwiddie, S. Suresh Babu
Publikováno v:
Additive Manufacturing. 22:516-527
Local microstructure control in electron beam powder bed fusion (EB-PBF) is of great interest to the additive manufacturing community to realize complex part geometry with targeted performance. The local microstructure control relies on having a deta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a01b17b3c0f9a62efb53308b823d0e2d
https://doi.org/10.1016/j.addma.2018.04.038
https://doi.org/10.1016/j.addma.2018.04.038
Autor:
Ralph B. Dinwiddie, Amit Shyam, Alexander E. Pawlowski, Derek A. Splitter, Zachary C. Cordero, Abdel R. Moustafa
Publikováno v:
Additive Manufacturing. 22:223-229
We have investigated the relationship between structure and thermal conductivity in additively manufactured interpenetrating A356/316L composites. We used X-ray microcomputed tomography to characterize the pore structure in as-fabricated composites,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::259a63c074a909f461530d410c5e8e06
https://doi.org/10.1016/j.addma.2018.05.018
https://doi.org/10.1016/j.addma.2018.05.018
Autor:
Ryan R. Dehoff, Narendran Raghavan, Curtis Lee Frederick, Alex Plotkowski, Yousub Lee, Michael Haines, Ralph B. Dinwiddie, S. Suresh Babu, S. J. Foster, J. Raplee, M. K. Kirka
Publikováno v:
Metallurgical and Materials Transactions A. 49:3764-3780
Innovative designs for turbines can be achieved by advances in nickel-based superalloys and manufacturing methods, including the adoption of additive manufacturing. In this regard, selective electron beam melting (SEBM) and selective laser melting (S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec4ad78bbe58b80d62ad7ad9e8af8ae1
https://doi.org/10.1007/s11661-018-4702-4
https://doi.org/10.1007/s11661-018-4702-4