ELDING
JOURNAL
February 2002 Volume 81 Number 2
Features
1
、Challenging Project Launches Fabricator
into New Territory
The submerged arc welding
process helped a Georgia fabricatior meet the challenges of
constructing a massive launch table for Delta IV
rockets
2
、Welding Speeds Fire Trucks to New
York
Seagrave Fire
Apparatus is building 54 all-welded, custom fire trucks to
replace ones destroyed in New York during the September 11th
terrorist attacks
BY MARY
RUTH JOHNSEN
3
、New Program Certifies
Fabricators
The AWS
B5.17:2000 qualification standard gives birth to a
certification program for welding fabricators seeking
accreditation
BY
STEVEN T. SNYDER
4
、The Art of Welding
Imagine the
following ad in the classified section of a southeastern
Wisconsin Sunday paper’s “Employment”
section:
BY DOREEN
YAMAMOTO
5
、Laser-Assisted Friction Stir
Welding
Done with
simple, inexpensive systems, laser energy makes friction stir
welding a viable and cost-efficient
process
BY G. KOHN, Y. GREENBERG, I.
MAKOVER, AND A.
MUNITZ
Welding Research
Supplement
1
、Design-of-Experiments Study to Examine
the Effect of Polarity on Stud
Welding
An
investigation of the factors that influence the quality of
short duration drawn arc stud welding of
steels
BY S. RAMASAMY, J.
GOULD, AND D. WORKMAN
2
、Retained Austenite as a Hydrogen Trap
in Steel Welds
Hydrogen
trapping is investigated as a means of improving resistance to
hydrogen-assisted cracking in HSLA steels
BY Y. D. PARK, I.
S. MAROEF, A. LANDAU, AND D. L.
OLSON
WELDING
JOURNAL
March 2002 Volume 81 Number 3
Features
1
、Tips For Successfully Welding Sheet
Metal
Proper
equipment, electrodes, and welding techniques can prevent
typical sheet metal welding problems such as warping and
melt-through
BY MIKE BRACE
AND JIM BROOK
2
、Behind the mask: Nanette
Samanich
This
welder/CWI says opportunities abound for women in
welding
BY MARY
RUTH JOHNSEN
3
、New Guidelines Affect Flux Cored
Welding in Seismic Areas
The
Federal Emergency Management Agency has developed new
guidelines for welding beam-to-column connections in
moment-frame buildings subject to seismic
activity
BY R. SCOTT
FUNDERBURK, DOUG KREBS, AND KEN
LEE
4
、PlaSMA-ARC Brazing: A low-Energy
Joining Technique for Sheet Metal
For
high-strength and mild steels, this low heat input, nearly
spatter-free joining process offers many advantages over
conventional welding methods
BY U. DRAUGELATES, B. BOUAIFI, A.
HELMICH, B. OUALSSA, and J.
BARTZSCH
Welding Research
Supplement
1
、Monte Carlo Simulation of Heat-Affected
Zone Microstructure in Laser-Beam-Welded Nickel
Sheet
Reasonable agreement was obtained between
experimental results and simulated grain growth in the
heat-affected zone
BY M.-Y. LI AND E.
KANNATEY-ASIBU, JR.
2
、Prediction of Heat-Affected Zone
Characteristics in Submerged Arc Welding of Structural Steel
Pipes
Mathematical models were developed to study the
effects of process variables and heat input on the HAZ of
submerged arc welds in structural steel
pipes
BY V. GUNARAJ AND
N. MURUGAN
行业信息