| Industrial Heating

Nickel-Brazing Requires Tight Joint Clearances

Nickel-brazing is unique in the brazing world in that each of the nickel-based brazing filler metals (BFMs) available for use today depends on the use of temperature-lowering ingredients (i.e., temperature-depressants) such as boron, phosphorus and/or silicon to enable the BFM’s usefulness for joining stainless steels and many other superalloys for critical aerospace applications.

Washington, D.C. in 2022: A Review and a Look Ahead

We are past the halfway mark of the year, which in political speak means we have four months until the midterm election and only five months in the remainder of this Congress – possibly the last fully controlled by Democrats during President Biden’s first term in office.

How did medieval Africans purify their gold?

After excavating ancient coin molds (dated to the 11^th century) in Mali in 2005, an archaeologist wanted to find out how medieval Africans purified the gold they were using for their currency. Sam Nixon discovered little droplets of highly refined gold left over in the molds and fragments of glass.

Titanium Fountain Pen with Unscratchable Surface

Engineer Zsolt Pataki wanted to create the ultimate fountain pen using innovative production methods with advanced materials. The result is a fountain pen made from a solid titanium bar for the ultimate weight, look and feel, hardened by ExpaniteHard-Ti to make it long-lasting and virtually unscratchable.

Coffee Grounds Used to Make Green Steel

Researchers published findings that show various wastes, including coffee grounds, can be used in the manufacture of green steel.

Top Steel Producers in 2021

Which companies produced the most steel in 2021? If you want the answer to that question, here’s a comprehensive list courtesy of the World Steel Association. A U.S. company failed to make the top 10, but Nucor was ranked 15th on this list. U.S. Steel (24th) and Cleveland-Cliffs (25th) were the only other U.S.-based steelmakers to make the top 40.

BMW Recalls Motorcycles Because of Manufacturing Defect

BMW of North America LLC issued a safety recall for all 2019 and 2020 K 1600 GT, K 1600 GTL, and K 1600 B motorcycles – around 1,625 total units – because of a manufacturing defect with the link strut on the rear suspension.

Why are Swedish Cottages Painted Red?

Did you know that nearly all countryside houses in Sweden are painted red? Incidentally, this tradition made its way to America in the form of the big red barn. The color, known specifically as Falu red, comes from the Falun copper mine in central Sweden, which dates back to the 9th century. At one point in time it was the largest copper mine in Europe.