Bulletin of Materials Science

Volume 25, No. 3, June 2002

CONTENTS


Cover: Optical photograph obtained with FeSiAl sample nitrided at 560o C, 8 h, 0 .4 m3N/h. For details, see p. 221.


Nanomaterials
Synthesis 17 × 2 and characterization of sol--gel derived ZnS : Mn2+ nanocrystallites embedded in a silica matrix

B Bhattacharjee, D Ganguli, K Iakoubovskii, A Stesmans and S Chaudhuri

175


Sintering of nano crystalline a silicon carbide by doping with boron carbide

M S Datta, A K Bandyopadhyay and B Chaudhuri

181

Thermal Properties


Synthesis and thermal expansion hysteresis of Ca1– xSrxZr 4P6O24


Basavaraj Angadi, V M Jali, M T Lagare, N S Kini and A M Umarji

191

Electrical Properties


Ion transport in some solid state proton conducting composites studied from volta cell e.m.f. and complex impedance spectroscopy

N Lakshmi and S Chandra

197

Mechanical Properties


Systematic hardness measurements on single crystals and polycrystalline blanks of cesium halides

D B Sirdeshmukh, P Geeta Krishna and K G Subhadra

203


Effect of hydrogen on the mechanical behaviour of carbon-alloyed Fe 3Al-based iron aluminides

M Sen and R Balasubramaniam

209

Alloys and Steels


XRD and TEM studies of microstructure in the welding zone of 9Cr--1Mo--V--Nb heat-resisting steel

Li Yajiang, Wang Juan, Zhou Bing and Feng Tao

213


Microstructure characterization of fluidized bed nitrided Fe--Si and Fe--Si--Al foils

H Atmani and O Thoumire

219

Thin Films


Transparent conducting zinc oxide thin film prepared by off-axis rf magnetron sputtering

M K Jayaraj, Aldrin Antony and Manoj Ramachandran

227


Alcohol sensing of tin oxide thin film prepared by sol--gel process

Sunita Mishra, C Ghanshyam, Nathai Ram, Satinder Singh,
R P Bajpai and R K Bedi

231

Polymers


Influence of copolymer composition on the transport properties of conducting copolymers: poly(aniline-co-o-anisidine)


S S Umare, A D Borkar and M C Gupta

235

Glasses


Simultaneous measurements of thermal conductivity and diffusivity of Se80Te20--x Inx
(x = 2, 4, 6 and 10) chalcogenide glasses at room temperature

N S Saxena, Mousa M A Imran and Kedar Singh

241

Experimental Techniques


A method employing STM for the estimation of relative changes in the work function of modified metal tips

R B Sharma, C P Vinod and G U Kulkarni

247


Voigt modelling of size--strain analysis: Application to a -Al2O3 prepared by combustion technique

K Santra, P Chatterjee and S P Sen Gupta

251

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