Are there any ancient artifacts made of tungsten or containing tungsten alloys?

Tungsten is also an unforgiving, hard, and brittle metal. To harness tungsten's strength, metal workers and manufacturers didn't use it alone: Instead they ... A tungsten electrode containing 1.3-1.5 wt-% of dispersed lanthanum oxide (La2O3) for enhanced arc starting and stability, reduced tip erosion rate. Jun 15, 2011 ... The results show that tungsten microwires in an electrolyte of PBS have a corrosion rate of 300–700 μm/yr. The corrosion rate for tungsten ... Tungsten electrodes resp. TIG welding electrodes for finest welding seams, high-quality material and precise weld joints. Test now! Jun 20, 2024 ... Tungsten is crucial in producing heavy alloys for aerospace and defense. Its high density and strength make it perfect for components like ... Our tungsten chemicals can be used in a variety of ways. First and foremost, however, they serve as precursors for various catalysts such as DeNOx catalysts ... Dec 26, 2018 ... Q.I talked with you at one of the shows and asked what type of tungsten electrode you normally use for TIG welding. Tungsten has the highest melting point of any pure metal at 6191.6° Fahrenheit. This makes it incredibly valuable in alloying. Mar 7, 2006 ... Lanthanated tungsten electrodes are ideal if you want to optimize your welding capabilities. They work well on AC or DC electrode negative with ... Feb 7, 2023 ... Tungsten is used as the base and fused with other metals such as copper, gold, silver, and palladium. The different metals are layered and fused ...