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- 2015 (4)
Wednesday, February 25, 2015
The Effect of Joint Clearance on Braze Joint Strength
Having trouble with braze joint strength? Check your joint clearance. Brazing uses capillarity to distribute molten filler metal between base metals. When the clearance is narrow and you are brazing with flux, it is difficult for the flux to flow. Capillary action can be inhibited, resulting in reduced strength of the braze alloy. We will explore ideal clearances for various fillers and heating methods, plus base metal properties, joint design and metallurgical interaction.
Friday, February 06, 2015
Does your process include the challenge of brazing or assembling components with two joints in close proximity—having one joint that cannot run the risk of being remelted due to quality requirements? You may need to resort to step brazing. Join us for a discussion on the applications and alloys involved, along with some common pitfalls and tips for prevention.
Tuesday, December 09, 2014
Copper-Phosphorous Alloys for Copper Brazing
Copper-phosphorous brazing alloys are used extensively for joining copper. These alloys are useful in HVAC/R applications involving copper tubing and in industries using electrical conductors. Today, we are exploring the effects of phosphorous when alloyed with copper, and we are also discussing what happens when silver is added to the alloy.
Friday, November 14, 2014
Materials Calculators Blog
When ordering alloys, you may have the dimensions or length of a braze joint, but many products are sold by weight. How much should you order? Or, conversely, you may know the mass/weight, but need the length. Introducing: the new Lucas-Milhaupt materials calculators.