Page 8 - HIWT Winter 2017 World of Welding

(Continued from page 9
Corporate Services with Fast Processing other factors. Completing

If a business wants to know how a new welder is performing, or paperwork with the
to see how viable welded parts are according to an AWS, API, interpretation to a code
ASME, or Military Specifications Code, the school can tell them. takes place, too.
By shipping welded specimens, staff members can test their He has performed up to
qualities through a variety 100 inspections a day using
of procedures. Same day different methods. “We can
turnaround can even be send pictures so companies
arranged. will know what’s good and
Taking x-rays is one way to bad based on porosity,”
determine acceptability — Hasting said.
Figs. 7, 8. This takes place Students also benefit from
in the facility’s x-ray lab on-site testing. They can Fig. 8 — This x-ray of a gas tungsten
with computed radiography get their welds evaluated, arc welded titanium piece, located
between the second set of numbers to
abilities. Welded samples then go back in the shop and the left and 25, is ready to be evaluated
are set on imaging plates have quick answers to their to an AWS Code.
in the middle of the x-ray questions.
machine, which is lined
with lead so no radiation KRISTIN CAMPBELL (kcampbell@aws.org) is features editor
Fig. 7 — Inside the x-ray machine, two of Inspection Trends. Photographs taken by the author with
1-in. blocks on an imaging plate wait to get will escape. Images are permission of the Hobart Institute of Welding Technology..
examined. taken and reviewed on a
high-resolution monitor.
Part numbers are recorded as well. How the Hobart Institute of Welding Technology Helps the Inspection
Industry,” printed in the Nov. 2017 Inspection Trends and written by
Testing Specialist Mark Hasting pointed out it’s essential to see Features Editor Kristin Campbell, is being reprinted with permission
the thickness of the base metal and get an in-focus shot, so of AWS and is copyright of AWS.
inspectors can zoom in and view the weld to look for inclusions and

2017 WINTER ISSUE - 8 - www.welding.org