Welding Journal, May 2009 • Volume 88 • Number 5

CONTENTS
40 Welding for New Nuclear Power Plants: Building on
Experience
Advanced welding processes and practices will be
instrumental in extending the design life of the next
generation of nuclear power plants to 60 years and beyond
S. McCracken et al.
44 Friction Stir Process Now Welds Steel Pipe
Technology breakthroughs in tool design and portability
make friction stir welding capable of welding steel pipe
J. Defalco and R. Steel
50 Proper Preparation: The Key to Successful Pipe Welds
Proper joint preparation is crucial in producing highintegrity
welds on pipe
M. Leska
52 Automation Optimizes Nuclear Component Fabrication
Laser vision systems, robotic integration, and “intelligent”
welding machines are just some of the automation technology
that is now available for the fabrication of future nuclear
plants
J. Noruk and J. Boillot
56 New Technology Doubles Contractor’s Pipe Welding Output
A fabrication shop reveals how a welding process change
improved production time and minimized rework
N. Peterson

Departments
Press Time News …………….4
Editorial ……………………….6
News of the Industry …………..8
International Update …………14
Letters to the Editor …………20
Stainless Q&A ………………..24
Point of View ………………..26
Technology……………………30
RWMA Q&A ………………….32
New Products ………………..34
Conferences ………………….60
Welding Workbook …………..62
Coming Events………………..64
Society News ………………..71
Tech Topics ………………….73
Errata: D1.5M/D1.5:2008 ….73
Guide to AWS Services……….89
New Literature………………..92
Personnel ……………………96
Classifieds ………………….104
99-s Influence of Nanoscale Marble (Calcium Carbonate CaCO3) Advertiser Index …………….106
on Properties of D600R Surfacing Electrode
The addition of nanoscale marble particles in the flux coating
improved electrode arc stability, deposit efficiency, and wear
resistance
B. Chen et al.
104-s The Effect of High-Temperature Eutectic-Forming
Impurities on Aluminum 7108 Weldability
The circular patch test was adapted to evaluate the effect of
impurities on cracking susceptibility of cast 7108
M. G. Mousavi et al.
111-s Mathematical Modeling of Electrode Cooling in Resistance
Spot Welding
Based on modeling of resistance heating and heat transfer
between electrode and cooling water, a new cone-fin design on
the underside of the cap is proposed
Z. H. Rao et al.

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