Titanium parts refer to parts with specific shapes, sizes and performance requirements that are processed from titanium or Titanium Alloy raw materials through various mechanical processing methods. These processing methods include cutting (such as turning, milling, drilling, etc.), forging, stamping, welding, surface treatment and other processes. Titanium parts cover many types of products, from simple titanium bolts, titanium shafts, etc. to complex aerospace structural parts, medical device parts, etc. Features of titanium parts:
1. Excellent corrosion resistance
Titanium parts can quickly form a dense and stable oxide film (TiO?) in the air or in an oxidizing medium. This oxide film can prevent the corrosive medium from further contacting the titanium matrix and play a role in self-protection. It has good corrosion resistance to most organic acids, inorganic acids, alkalis and seawater. In the fields of chemical equipment, marine engineering, etc., titanium parts can work stably for a long time, reducing the frequency of maintenance and replacement. For example, titanium valve parts in chemical pipeline systems can resist the erosion of various corrosive media.
2. High strength and good toughness
Titanium parts have high strength, and their tensile strength can reach 300-1000MPa or more depending on the titanium grade and processing technology. At the same time, it also has good toughness and can withstand a certain degree of impact and deformation without breaking. This combination of strength and toughness makes titanium parts perform well when subjected to external forces. For example, titanium alloy wing parts in the aerospace field can meet the strength and toughness requirements during flight.
3. Good biocompatibility
Titanium parts have excellent biocompatibility, and the human body has minimal rejection of titanium. In the medical field, titanium parts can be used to manufacture artificial joints, dental implants, medical device shells, etc., which can be closely integrated with human tissues and will not cause severe inflammation and other adverse reactions during long-term use.
4. High and low temperature resistance
Titanium has a high melting point (about 1668℃), and titanium parts can maintain good performance within a certain temperature range. In high temperature environments, although its strength will decrease as the temperature rises, it can still maintain a certain structural integrity and strength at relatively high temperatures (such as 300-400℃), and can be used in some heat exchange systems in medium temperature environments. In low temperature environments, titanium parts also show good performance. For example, titanium pipe parts in low temperature pipeline systems such as liquefied natural gas (LNG) transportation can avoid cold brittleness and ensure the safe operation of pipelines.
5. Light weight
The density of titanium is about 4.51g/cm3. Compared with other commonly used metal parts (such as iron parts and copper parts), titanium parts are lighter. When used in aerospace, automotive and other fields, it can effectively reduce the weight of the entire system, thereby improving energy efficiency or vehicle handling performance. For example, in the titanium alloy landing gear parts of aircraft, their light weight helps to reduce the weight of the aircraft and reduce fuel consumption.
