Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Gasper J. Piermarini"'
Publikováno v:
Powder Diffraction. 12:106-112
An in situ high pressure study using energy dispersive X-ray diffraction has been carried out on the polycrystalline high-Tc superconductor, HgBa2CuO4+δ (Hg-1201), to study its phase stability under pressure and also to measure its compressibility a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7f4ecd652091f6768243f3dd6ab2711
https://doi.org/10.1017/s0885715600009544
https://doi.org/10.1017/s0885715600009544
Publikováno v:
Powder Diffraction. 11:305-311
The volume compression of BaNd2CuO5 (brown phase) and BaLu2CuO5 (green phase) have been measured to 8.67 and 9.23 GPa, respectively, utilizing a diamond anvil high-pressure cell and energy dispersive X-ray powder diffraction. The pressure dependence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1737967fa5ccaa7f042aa7f62c5f985
https://doi.org/10.1017/s0885715600009313
https://doi.org/10.1017/s0885715600009313
Publikováno v:
Materials and Manufacturing Processes. 11:951-967
The effects of pressure on the compaction and subsequent sintering of nano-size Y- γ-Al2O3 powder were studied. Pressures up to 5 GPa were used to compact the powder in a WC piston/cylinder type die and also in a diamond anvil cell. The green body c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cb5e055ab88f32e7629852f56940228
https://doi.org/10.1080/10426919608947544
https://doi.org/10.1080/10426919608947544
Publikováno v:
Journal of Materials Research. 10:2817-2822
The pressure shifts of the 418 and 379 cm−1 Raman lines of polycrystalline α-Al2O3 ceramic were measured at room temperature to 3190 MPa. A diamond anvil high pressure cell was used in conjunction with a microRaman spectrometer system. Pressures w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e650bbafff68947b3901a938e6f282a3
https://doi.org/10.1557/jmr.1995.2817
https://doi.org/10.1557/jmr.1995.2817
Publikováno v:
Journal of the American Ceramic Society. 77:2917-2920
Compression measurements were performed for the first time on nanocrystalline [gamma]-alumina utilizing a diamond anvil cell (DAC) and the energy dispersive X-ray diffraction method. The cubic unit cell (a = 0.7924 nm) for [gamma]-alumina was found t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8018fd82904d082853cd43a7001fc216
https://doi.org/10.1111/j.1151-2916.1994.tb04524.x
https://doi.org/10.1111/j.1151-2916.1994.tb04524.x
Publikováno v:
Journal of the American Ceramic Society. 77:2107-2112
The compaction and heat-treatment behavior of nanosize [gamma]-Al[sub 2]O[sub 3] powder (average diameter = 20 nm) was studied. A diamond anvil high-pressure cell was used to compact the powder at pressures up to 3 GPa, both in air at room temperatur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28ea0e239ebca0cc4ea52cacd0494224
https://doi.org/10.1111/j.1151-2916.1994.tb07104.x
https://doi.org/10.1111/j.1151-2916.1994.tb07104.x
Publikováno v:
Journal of the American Ceramic Society. 77:1005-1010
This paper describes a highly specialized system for studies of time-dependent compaction of nano-size and other fine-size powders under a variety of atmospheres and at temperatures ranging from 77 to 1000 K. The system incorporates a 10 000 kg screw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d11dd40297a5b19fff57fb1ac9d3556
https://doi.org/10.1111/j.1151-2916.1994.tb07259.x
https://doi.org/10.1111/j.1151-2916.1994.tb07259.x
Publikováno v:
Advances in X-ray Analysis. 38:741-747
The volume compression of BaNd2CuO5 has been measured to 8.7 GPa utilizing a diamond anvil high pressure eel and energy dispersive x-ray powder diffraction. The pressure dependence of the volume of the tetragonal unit cell is linear and follows the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a5f5703d569e8af31396565fad38b2c
https://doi.org/10.1154/s0376030800018486
https://doi.org/10.1154/s0376030800018486
Autor:
Gasper J. Piermarini
Publikováno v:
High Pressure Research. 11:279-284
As many of you may know already, Alvin Van Valkenburg died on December 5, 1991 in Tucson, Arizona at the age of seventy-eight. He was the last surviving scientist of four who share the honor of co-inventing the diamond anvil high pressure cell (DAC),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd79200cdaa2af8476a29d874538d0d3
https://doi.org/10.1080/08957959308203156
https://doi.org/10.1080/08957959308203156
Publikováno v:
Nanostructured Materials. 2:479-486
We have consolidated laser derived, nano-sized Si 3 N 4 powders into high density, transparent nanoglass green compacts at high pressures. The powders were 17 nm in diameter and had been exposed to atmospheric moisture and thus contained 6.2 wt% oxyg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af23bcb606d2e9deba255dd223a3c047
https://doi.org/10.1016/0965-9773(93)90165-8
https://doi.org/10.1016/0965-9773(93)90165-8