Bulletin of Materials Science

Volume 26, No. 2, February 2003

CONTENTS


Cover: Optical micrograph of PMMA substrate coated with 3-layer antireflection coating. For details, see p. 244.


Fuel Cells


The promise of fuel cell-based automobiles

A K Shukla, C L Jackson and K Scott

207


Synthesis


Preparation of microwave dielectric, Sn0 .2Zr0.8 TiO4

Sanjay R Dhage, V Ravi and S K Date

215


Effect of sillimanite beach sand composition on mullitization and properties of Al2O3--SiO2 system

H S Tripathi, B Mukherjee, S K Das, A Ghosh and G Banerjee

217


Sol-gel Materials


Role of binder in the synthesis of titania membrane

K S Seshadri, M Selvaraj, R Kesava Moorthy, K Varatharajan,
M P Srinivasan and K B Lal

221


Effect of silica sol of different routes on the properties of low cement castables

D D aspoddar, Swapan Kr Das and P K Daspoddar

227


Thin Films


Deposition of TiN/CrN hard superlattices by reactive d.c. magnetron sputtering

Harish C Barshilia and K S Rajam

233


Studies on thin film materials on acrylics for optical applications


K Narasimha Rao

239


Electrical Properties


Impedance spectroscopy study of polycrystalline Bi6Fe 2Ti3O18

K Srinivas, P Sarah and S V Suryanarayana

247


Ferroic Materials


Ion transport in Au+ doped/undoped KDP crystals with KI/NaI as additives


R Ananda Kumari and R Chandramani

255


Mechanical Properties


Systematic hardness measurements on mixed and doped crystals of rubidium halides


D B Sirdeshmukh, T Kumara Swamy, P Geeta Krishna and K G Subhadra

261


Glasses


Thermally stimulated discharge current (TSDC) and dielectric constant of semi conducting glasses


D K Burghate, V S Deogaonkar, S B Sawarkar, S P Yawale and S V Pakade

267


Alloys and Steels


Fine structure in the inter-critical heat-affected zone of HQ130 super-high strength steel

Li Yajiang, Wang Juan and Liu Peng

273


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