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Published: Thursday, June 14, 2018 How to Clean a Braze Joint in Two Steps

Once you have properly brazed the assembly, you will need to clean the brazed joint. Cleaning a braze joint is a two step process. The first step is to remove all flux residues. Second, pickle the ...

Published: Tuesday, July 05, 2016 Stop-Off Helps Restrict Braze Alloy Flow

A formulation called Stop-Off can help you restrict the flow of braze alloy on your assembly. When should you use this brazing aid? Which type is right for your brazing process? How does it work?

Published: Monday, May 16, 2016 Flux Removal: Post-Braze Cleaning

When using flux for brazing, you may need to remove residual flux with an appropriate method for your materials and process. Let’s discuss why post-braze cleaning is one of the Six Fundamentals of Brazing and then examine the most common techniques.

Published: Friday, July 11, 2014 Inspecting Brazed Joints

Radiographic Examination - Discontinuity Images on Film Examining finished joints may be the final step in the brazing process, but inspection procedures should be incorporated into the design stage. ...

Published: Thursday, March 06, 2014 Liquid Metal Embrittlement

Liquid Metal Embrittlement Liquid Metal Embrittlement (LME) may occur in a brazing operation involving high-strength materials such as stainless steels, nickel alloys or age-hardened alloys, when the ...

Published: Monday, February 03, 2014 Warranty Statement

Lucas-Milhaupt Warranty vs. Shelf Life Many times each year, customers ask our Technical Services Group, "What is the shelf life of your formulated products?" In most cases, Lucas-Milhaupt does not ...

Published: Tuesday, May 07, 2013 Hi-temp Flux Blog

The Right Flux for the Job High-temperature fluxes are used with brazing filler materials having melting temperatures of 1600°F (870°C) - 2000°F (1100°C), or 2200°F (1205°C) for boron-modified ...

Published: Friday, April 12, 2013 Stages of Flux Video

Functions & Stages of Flux Flux is a chemical compound applied to the joint surfaces before brazing.  Watch our new technical video for an in-depth look at the four functions of flux: 1.    Protect ...

Published: Tuesday, March 19, 2013 Stop-Off Blog

How Stop-Off Works To understanding how Stop-Off works, let's review the brazing process.  At Lucas Milhaupt, we preach six fundamentals of brazing: 1.    Good fit & clearance 2.    Clean metals ...

Published: Wednesday, September 19, 2012 Handy One® Improves Joint Quality and Reduces Flux Usage

Brazing Methods Brazing methods range from torch brazing in open air to vacuum furnace brazing.  Torch and induction brazing are the most common, using an Ag-Cu-Zn alloy to form joints. Oxides form ...