Indian Journal of

Engineering & Materials Sciences

http://www.niscair.res.in; http://nopr.niscair.res.in

 

 

VOLUME 17

NUMBER 1

FEBRUARY 2010

CODEN : IEMSEW

ISSN : 0971-4588

 

CONTENTS

 

Engineering

 

Improvement in part-load performance of a manifold injected spark ignition engine an experimental investigation

 

7

H R Purushothama, J M Mallikarjuna & V Ganesan

 

 

 

Plastic deformation regularity of tailor-welded tube hydroforming

13

Guannan Chu & Feng Li

 

 

 

Comparative study on the suitability of feature extraction techniques for tungsten inclusion and hotspot detection from weld thermographs for on-line weld monitoring

 

 

20

N M Nandhitha, N Manoharan , B Sheela Rani, B Venkatraman,

 

P Kalyanasundaram & Baldev Raj

 

 

 

Effects of SNF and LS superplasticizer on cement paste using electrical measurement

 

27

Xiaohui Zeng & Tongbo Sui

 

 

 

Design of low phase noise InGaP/GaAs HBT-based differential Colpitts VCOs for interference cancellation system

 

34

Bhanu Shrestha & Nam-Young Kim

 

 

 

Materials Science

 

Failure response of single bolted composite joints under various preload

39

Faruk Sen, Onur Sayman, Resat Ozcan & Ramazan Siyahkoc

 

 

 

Investigation into the densification of AISI304 parts fabricated by hybrid powder metallurgy techniques

 

49

Z L Lu, J H Liu, Y S Shi & D C Li

 

 

 

Densification behaviour of Al-Pb alloys A study of effect of certain process parameters

 

56

Ch V S H S R Sastry & G Ranga Janardhana

 

 

 

 

 

 

 

Mechanoluminescence technique for real-time monitoring of cracks produced during application of loads on crystals

 

61

B P Chandra, S K Mahobia, S K Nema, P Jha, R K Kuraria & S R Kuraria

 

 

 

Metallurgical analysis of burst tested aluminium alloy AA 2219 miniature assembly

67

Abhay K Jha, V Diwakar & K Sreekumar