Zobrazeno 1 - 10
of 13
pro vyhledávání: '"C. K. Unni"'
Autor:
C. K. Unni, D. E. Gordon
Publikováno v:
Journal of Materials Science. 30:1173-1179
Flexural, tensile, and high cycle fatigue test data are presented for pressureless sintered aluminium nitride (AIN) and hot-pressed aluminium nitride reinforced with silicon carbide whiskers (SiCw/AIN). Tests were conducted at ambient temperature. Th
Publikováno v:
Journal of Materials Science Letters. 14:1095-1098
Publikováno v:
Fatigue & Fracture of Engineering Materials and Structures. 17:1025-1032
— Both high-cycle and low-cycle fatigue properties of hot-extruded powders of a Ni3Al-based alloy, IC218, have been evaluated. High cycle fatigue measurements were performed under stress controlled conditions at temperatures ranging from 25°C to 8
Autor:
D. E. Gordon, C. K. Unni
Publikováno v:
Journal of Materials Science. 26:6183-6189
The low-cycle fatigue properties of hot-extruded powders of a Ni3Al-based alloy, IC 218, with nominal composition Ni-16.5Al-8.0Cr-0.4Zr-0.1B (at %) have been evaluated at room temperature. Tests were conducted under total strain conditions in a labor
Publikováno v:
Journal of Materials Science Letters. 15
Publikováno v:
Nature. 273:631-636
Continuous fluxing at a decreasing rate of mantle Cl and Br by volcanism throughout the Earth's history can account for the mass of Cl and Br, and the Cl/Br ratio, of the oceans.
Autor:
C. K. Unni, J.-G. Schilling
Publikováno v:
Nature. 272:19-23
Chlorine and bromine variations in basalts erupted along the Reykjanes Ridge axis and Iceland follow a predicted first-order model, reflecting volatile degassing at water depths shallower than about 500 m, superimposed with changes due to the presenc
Autor:
R. Viswanathan, C. Sreekumaran, C. K. Unni, A. M. Bhagwat, S.S. Gogate, Y. M. Bhatt, G. R. Doshi
Publikováno v:
Proceedings / Indian Academy of Sciences. 64:301-313
1. Fifty-three samples of freshwater fishes and prawns comprising twenty species from the States of Maharashtra, Gujarat and Bihar were analysed for their contents of calcium, potassium, phosphorus, copper and iron. The seven samples from Bihar were
Autor:
J. G. Schilling, C. K. Unni
Publikováno v:
Analytical Chemistry. 49:1998-2000
An epithermal neutron activation analysis (ENAA) scheme involving a single-step bromide precipitation coupled with Ge(Li) spectrometry has been developed for determining trace amounts of Br in silicate rocks. The precision (2 sigma) of the method est
Autor:
C K, Unni, R, Viswanathan
Publikováno v:
Health physics. 15(6)