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Articles tagged with "copper"

Results: 7

Phases, structures, and the influences of temperature

When you heat or cool a piece of metal to a specific temperature, that metal goes through what's called a phase change, in which its crystal structure changes. Sometimes the change is obvious. For example, when a piece of metal melts, it goes through a phase change when the crystal structure breaks down and the metal goes from solid to liquid. When it solidifies it's also a phase change, as the structure re-forms from liquid to solid.

Publish date: June 26, 2003

Tech cell: Metals/Materials


Stud-maker throws church building a curve: Curved studs facilitate free-spanning dome

Radius Track, a fabricator specializing in its patented curved metal studs, replaced many of the heavy-gauge beams in the a church's dome frame with light-gauge steel studs. As a result, the dome was light enough to be supported without view-obstructing columns.

Publish date: September 12, 2006

Tech cell: Roll Forming


Brazing copper tubing: It's simpler than it seems

Torch brazing copper tubing is one of the most common–but widely misunderstood–joining processes. It's possible to make sound joints that are just as strong as the copper tube, easier to braze, and less expensive to produce. But first you have to know basic brazing concepts, including joint design, filler metal behavior, and metallurgy.

Publish date: May 15, 2003

Tech cell: Tube and Pipe Fabrication


Low-tech system mechanizes pipe welding: Backing device allows GMAW on open root

Welding technology has changed dramatically over the last few decades. Although skilled welders always will be needed in manufacturing, mechanical welding devices can provide improvements over manual welding in terms of repeatability and throughput.

Publish date: March 11, 2004

Tech cell: Tube and Pipe Fabrication


Don't get stuck wondering about composites: If you have questions about joining composites and their relationship with metal, we have answers

Automakers and other manufacturers are interested in utilizing composites more in their manufacturing operations. Composites come with their own set of challenges, and one of the most important challenges is how to join the engineered material to a metal correctly using an adhesive. When joining materials, adhesives evenly distribute loads and reduce labor time.

Publish date: November 25, 2008

Tech cell: Assembly


The need to feed aluminum: 5 aluminum GMAW FAQs

While using aluminum can present challenges in any welding application, knowing the right questions to ask beforehand will help aid success. Issues include knowing what aluminum filler metal to use, how to store it, and what options are available to help eliminate feeding problems.

Publish date: March 7, 2006

Tech cell: Consumables


Brazing copper and copper alloys: When to use it and how to do it

It is important to be able to identify when brazing is suitable for joining copper or copper alloys, how it is applied, and which filler metals to use.

Publish date: March 13, 2007

Tech cell: Repair and Field Welding