What are the advantages of Ti-6Al-4V titanium alloy as a surgical implant material?

Titanium alloys can be divided into structural titanium alloys, heat-resistant titanium alloys, corrosion-resistant alloys, low-temperature alloys, and special functional alloys (memory alloys, superconducting alloys, hydrogen storage alloys) and so on.

1. Structural titanium alloy

Low-strength titanium alloys are mainly used for corrosion-resistant titanium alloys. Other titanium alloys are used for structural parts called structural alloys. In practical applications, structural titanium alloys are divided into: normal-strength titanium alloys, medium-strength titanium alloys, and high-strength titanium alloys. alloy. Ordinary strength titanium alloy: Due to its good processing and formability and weldability, it is mostly used in the manufacture of various aviation sheet parts and civil products such as hydraulic pipes and bicycles. Medium-strength titanium alloy: The typical alloy is TC4, which is mostly used in high-tech industries such as aerospace and rocket launches. High-strength titanium alloy: generally used to replace the high-degree structural steel commonly used in aircraft structures.

2. Heat-resistant titanium alloy

Refers to a titanium alloy suitable for long-term work at higher temperatures. It has high instantaneous permanent strength in the entire working temperature range, good plasticity at room temperature, good creep resistance and good thermal stability, and fatigue resistance at room temperature and high temperature. It is mostly used in the manufacture of aircraft parts, disks, blades, air intake receivers and aircraft structural parts.

3. Corrosion-resistant titanium alloy

Refers to suitable for the application of titanium alloys in strong corrosive media. Corrosion-resistant titanium alloys are mainly low-strength alloys, such as titanium molybdenum, titanium target, titanium molybdenum target, titanium nickel, titanium tantalum and other alloys that are common in practice.

4. Low temperature titanium alloy

It refers to α and α-β titanium alloys suitable for use at low temperatures. The strength of this type of titanium alloy increases with the decrease of temperature, and the toughness rarely decreases with the decrease of temperature. It can be used as low-temperature structural parts. It has been widely used in shipbuilding, chemical industry, metallurgy, medical treatment, etc.
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