Vascular Self Expanding Stent System Articles & Analysis
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Tantalum was discovered by Swedish chemist A.G. Ekeberg in 1802, it is mainly present in tantalite and co-exists with niobium. Tantalum has moderate hardness and is full of ductility and can be drawn into filament thin foil. Tantalum has excellent chemical properties and very high corrosion resistance; it also has high melting point. Due to its excellent corrosion resistance, tantalum is widely ...