Zobrazeno 1 - 10
of 60
pro vyhledávání: '"S. N. Tewari"'
Publikováno v:
Journal of Materials Engineering and Performance. 26:4876-4889
Hypoeutectic Al-19 wt.% Cu alloys were directionally solidified at two different growth speeds in cylindrical molds that featured an abrupt increase in cross-section, from 3.2 to 9.5 mm in diameter. The effects of thermosolutal convection and shrinka
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db44e8e453ab35938861c394f2c81b03
https://doi.org/10.1007/s11665-017-2925-y
https://doi.org/10.1007/s11665-017-2925-y
Publikováno v:
JOM. 69:1289-1297
As-cast aluminum-7 wt.% ailicon alloy sample rods were re-melted and directionally solidified on Earth which resulted in uniform dendritically aligned arrays. These arrays were then partially back-melted through an imposed, and constant, temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26497630f72c34f24cf07ce4141cdd1a
https://doi.org/10.1007/s11837-017-2380-0
https://doi.org/10.1007/s11837-017-2380-0
Publikováno v:
Journal of Crystal Growth. 459:135-145
Hypoeutectic Al-19 wt. % Cu alloys were directionally solidified in cylindrical molds that featured an abrupt cross-section decrease 9.5 to 3.2 mm in diameter). Thermo-solutal convection and cross-section-change-induced shrinkage flow effects on macr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a067f4db80d7a93981e1201b13c46f
https://doi.org/10.1016/j.jcrysgro.2016.11.111
https://doi.org/10.1016/j.jcrysgro.2016.11.111
Publikováno v:
Journal of Crystal Growth. 449:134-147
Hypoeutectic Al-7 wt .% Si alloys were directionally solidified vertically downward in cylindrical molds that incorporated an abrupt cross-section decrease (9.5 mm to 3.2 mm diameter) which, after 5 cm, reverted back to 9.5 mm diameter in a Bridgman
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c128bca173727d1a9ef432cf46a3a027
https://doi.org/10.1016/j.jcrysgro.2016.06.010
https://doi.org/10.1016/j.jcrysgro.2016.06.010
Publikováno v:
Journal of Crystal Growth. 441:107-116
Hypoeutectic Al–7 wt% Si and Al–19 wt% Cu alloys were directionally solidified upward in a Bridgman furnace through a range of constant growth speeds and thermal gradients. Though processing is thermo-solutally stable, flow initiated by gravity-i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::677f494f345d39a13b2b9a3a8ccd0ef8
https://doi.org/10.1016/j.jcrysgro.2016.02.014
https://doi.org/10.1016/j.jcrysgro.2016.02.014
Autor:
S. N. Tewari, S. N. Ojha
Publikováno v:
Transactions of the Indian Institute of Metals. 62:423-426
Macrosegregation of Sb was investigated during directional solidification of binary Pb-Sb alloys containing 2.2 and 5.8 wt% Sb over growth rates varying from 0.8 to 30 μm s−1. The cellular to dendritic transition was observed at a growth rate of 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e69d24169f6b33f754b71eea5b623504
https://doi.org/10.1007/s12666-009-0070-5
https://doi.org/10.1007/s12666-009-0070-5
Autor:
S. N. Tewari, A. K. Biswas
Publikováno v:
Journal of Applied Chemistry. 19:173-177
Flotation kinetics of calcite in a semi-batch froth flotation system corresponds approximately to a second-order rate equation, the order varying between 1·60 to 2·40 for different particle sizes and aeration conditions. Rate constant increases sli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d47e3c33878fd2adbb89318896b637b
https://doi.org/10.1002/jctb.5010190604
https://doi.org/10.1002/jctb.5010190604
Autor:
S N Tewari
Publikováno v:
Proceedings of Indian National Science Academy, Vol 47, Iss 1B (2015)
Distribution of Precipitation by Diospyros melanoxylon at Sanctuary Forest, Varanasi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::757d19d3cf1ce8e505619d80f100c258
https://insa.nic.in/writereaddata/UpLoadedFiles/PINSA/Vol47B_1981_1_Art10.pdf
https://insa.nic.in/writereaddata/UpLoadedFiles/PINSA/Vol47B_1981_1_Art10.pdf
Autor:
S N Tewari and S C Mandal
Publikováno v:
Proceedings of Indian National Science Academy, Vol 40, Iss 3B (2015)
Determination of Cation Exchange Capacity of Clays as Influenced by Ion Species
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::e5fbe97dec104aa9342b3a2f66c174f7
https://insa.nic.in/writereaddata/UpLoadedFiles/PINSA/Vol40B_1974_3_Art05.pdf
https://insa.nic.in/writereaddata/UpLoadedFiles/PINSA/Vol40B_1974_3_Art05.pdf
Publikováno v:
Metallurgical and Materials Transactions B. 30:933-944
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5cd530b4239390eebc9e732135fda2a
https://doi.org/10.1007/s11663-999-0099-1
https://doi.org/10.1007/s11663-999-0099-1