Material Introduction

Tantalum products include pure tantalum metal and tantalum alloys formed by adding other alloying elements to pure tantalum, primarily Ta-2.5W and Ta-10W. Pure tantalum metal has a melting point of 2,996°C. It has the fourth highest melting point among all metals - only tungsten, rhenium and osmium require higher temperatures - and it has a density of 16.65g/cm³. Tantalum has good low-temperature plasticity, low thermal expansion coefficient and strong corrosion resistance, and reacts with hydrofluoric and hot concentrated sulfuric acids. The addition of tungsten has a solid solution strengthening effect on tantalum. As the tungsten content increases, the strength of the alloy increases accordingly. Tantalum-tungsten alloys not only provide the low-temperature plasticity of pure tantalum, but also offer higher strength and oxidation resistance. Tantalum and tantalum alloy related products have been widely used in aerospace, heat exchanger manufacturing, semiconductor and integrated optoelectronic components and other fields.

The tantalum metal is prepared by an electron beam melting process, and after forging, rolling and other processing and formation, the internal structure and mechanical properties of the material will be able to meet the requirements.

Tantalum and tantalum alloys have a melting point as high as 3,000°C and can be used as high temperature resistant parts. Tantalum is not only used in the manufacture of medical devices, but is also an excellent biocompatible material, able to resist the corrosion of liquid substances in the human body. In addition, tantalum materials are suitable for making capacitors.