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Zirconium Fabrication GuideViews: 3522 May 10 , 2017
Zirconium is a hard, shiny, grayish white metal. With its superior corrosion resistance capabilities, it has increasingly become the material of choice in the fabrication of chemical processing equipment. For non-nuclear applications, zirconium has two main alloys: ASTM R60702 (Zr702), which is unalloyed, and ASTM R60705, which is alloyed with 2.0-3.0 percent niobium.
The ductility and workability of zirconium allows standard shop...Read More
How To Machine Tantalum MetalViews: 1977 Mar 10 , 2016
In the machining process of tantalum cemented carbide tools with high cutting speeds is used. The tools must be kept grounded and sharp with a high positive rake to bear by the metal.
Tantalum is represented symbol Ta is a lustrous blue colored metal. It is a hard transition metal, rarely present in the Earth's crust. Tantalum is very hard, ductile and easily fabricated Metal.
Tantalum is used in the...Read More
How To Machine Niobium MetalViews: 1826 Feb 21 , 2017
All the normal machining techniques can be used for niobium. The metal has a strong tendency to gall, however, and special attention must be paid to tool design and lubricant use. In lathe turning, the metal behaves very much like soft copper. The use of high-speed tooling with adequate lubrication and cooling with soluble oil (or other suitable product) following the parameters given here is recommended. Although carbide tools can be used, the tendency...Read More
Guide To Machine TungstenViews: 1584 Feb 22 , 2017
Tungsten can be fabricated into many simple shapes and configurations. It can be folded, bent, formed, spun, flow-turned, sheared, stamped, punched, and riveted. On the other hand, tungsten is a strong, hard, crack-sensitive metal that is usually brittle at room temperature. It requires special handling and skill beyond that necessary for most metals and alloys.
The most important rule to remember when working with tungsten is that it...Read More
Guide To Machine MolybdenumViews: 1608 Feb 28 , 2017
The main property of pure molybdenum which has influence on its machinability is its grain structure. In the "as sintered" condition, it can be machined relatively easily, but it is somewhat more difficult to machine after working. Molybdenum that has undergone a considerable amount of working is best machined if it has a uniformly fine grained and fibrous structure. Molybdenum machines with the crumbling chip which is characteristic of hardened SAE...Read More
