Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Mark Koopman"'
Publikováno v:
JOM. 72:1286-1291
Titanium hydride powders are increasingly being used to produce titanium components via powder metallurgy processes due to their improvements in densification over titanium metal powders. Since the oxygen content plays a significant role in the mecha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74904493277ed5ec3d1f9c86d63579cd
https://doi.org/10.1007/s11837-020-04010-0
https://doi.org/10.1007/s11837-020-04010-0
Publikováno v:
JOM. 70:2567-2573
Tungsten (W) is a brittle material at room temperature. Although the lack of ductility remains a difficult challenge, solid solution alloying of tungsten with rhenium offers an effective approach to improve tungsten’s room temperature brittleness.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e850f05066ea62bf9b47d9b24581589
https://doi.org/10.1007/s11837-018-3119-2
https://doi.org/10.1007/s11837-018-3119-2
Autor:
James D. Paramore, Mark Koopman, Scott Middlemas, Chai Ren, Brady G. Butler, Zhigang Zak Fang
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 75:170-183
Pure tungsten and tungsten alloys with minor alloying additions are known to be brittle at room temperature and have high ductile-to-brittle transition temperatures (DBTT). Improving the ductility of tungsten can have significant impact on both the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7a6433654ca0fe48a890d1f5ad50af9
https://doi.org/10.1016/j.ijrmhm.2018.04.012
https://doi.org/10.1016/j.ijrmhm.2018.04.012
Autor:
James D. Paramore, Pei Sun, Fei Cao, Mark Koopman, Zhigang Zak Fang, Ying Zhang, K.S. Ravi Chandran, Yang Xia, Michael L. Free
Publikováno v:
International Materials Reviews. 63:407-459
Powder metallurgy (PM) of titanium is a potentially cost-effective alternative to conventional wrought titanium. This article examines both traditional and emerging technologies, including the prod...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c657cbb03a72bf88a3ac4ba81a5a99c
https://doi.org/10.1080/09506608.2017.1366003
https://doi.org/10.1080/09506608.2017.1366003
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 65:2-8
Tungsten (W) is a brittle material at room temperature making it very difficult to fabricate. Although the lack of ductility remains a difficult challenge, nano-sized and ultrafine grain (UFG) microstructures offer potential for overcoming tungsten's
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca70816432c4fe0c4f10e33be274b1ab
https://doi.org/10.1016/j.ijrmhm.2016.11.013
https://doi.org/10.1016/j.ijrmhm.2016.11.013
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 61:273-278
Ultrafine grain tungsten is a promising candidate for plasma facing component applications in future fusion reactors. The conventional press-and-sinter powder metallurgy method is a preferred route for producing ultrafine grain tungsten from nanosize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09f1a905f28a573708671235a09d6e05
https://doi.org/10.1016/j.ijrmhm.2016.10.003
https://doi.org/10.1016/j.ijrmhm.2016.10.003
Publikováno v:
JOM. 68:2864-2868
Tungsten (W) is a brittle material at room temperature making it very difficult to fabricate. Although the lack of ductility remains a difficult challenge, nano-sized and ultrafine-grained (UFG) structures offer the potential to overcome tungsten’s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37b14278c2221f86a9ff447c8b85a0c1
https://doi.org/10.1007/s11837-016-2121-9
https://doi.org/10.1007/s11837-016-2121-9
Publikováno v:
Key Engineering Materials. 704:3-14
Hydrogen sintering phase transformation (HSPT) is a low-cost, blended elemental, press and sinter powder metallurgy process. During HSPT, compacts of TiH2 powder are sintered in dynamically controlled partial pressures of hydrogen followed by a vacuu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fe26d52eceddc74528048d38a6b28ea
https://doi.org/10.4028/www.scientific.net/kem.704.3
https://doi.org/10.4028/www.scientific.net/kem.704.3
Publikováno v:
Metallurgical and Materials Transactions A. 47:2150-2161
Tensile properties of Ti-6Al-4V titanium alloy, sintered by a new process (sintering, phase transformation, and dehydrogenation of titanium hydride compacts, termed HSPT process), were investigated to determine how the sintering pores influence the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ece1256d6e9b279fb809bfe076e65964
https://doi.org/10.1007/s11661-016-3419-5
https://doi.org/10.1007/s11661-016-3419-5
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 53:134-138
Tungsten is a primary candidate material for certain structural applications in future fusion reactors. However, drawbacks associated with these applications include the need for low ductile to brittle transition temperature (DBTT) and significant de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae0014cdf3ef43c9e05ee29fd72f68a8
https://doi.org/10.1016/j.ijrmhm.2015.07.006
https://doi.org/10.1016/j.ijrmhm.2015.07.006