What is titanium alloy?
Titanium alloys are a group of metals consisting of titanium and other elements. Titanium, which is an essential structural metal, was first developed in the 1950s.
Titanium alloys are highly valued for their exceptional strength, excellent corrosion resistance and impressive heat resistance. During the 1950s and 1960s, the focus was primarily on developing high-temperature titanium alloys for aircraft engines, as well as structural titanium alloys for airframes.
In the 1970s, several corrosion-resistant titanium alloys were introduced, and since the 1980s, the development of high-strength, corrosion-resistant titanium alloys has continued.
Titanium alloys are mainly used for the production of aircraft engine compressor parts, followed by structural components of rockets, missiles and high-speed aircraft.
What is aluminum alloy?
Aluminum-based alloys, consisting of varying amounts of alloying elements, are known for their lightweight and high-strength properties. In addition to the general characteristics of aluminum, these alloys have specific characteristics due to the type and quantity of alloying elements added.
The density of aluminum alloys varies from 2.63 to 2.85 g/cm 3 , with high strength (σb varies from 110 to 650 MPa), specific strength similar to that of high-alloy steel and greater specific stiffness than steel. They have excellent casting and plastic processing properties, as well as good electrical and thermal conductivity, corrosion resistance and weldability.
These alloys can be used as structural materials and are widely applied in various sectors, including aerospace, aviation, transportation, construction, electromechanical, light industry and daily necessities.
What are the differences between titanium alloy and aluminum alloy?
The main differences are different in nature, characteristics and application, as follows:
1. Different nature
aluminum alloy
It is an alloy based on aluminum and added with a certain amount of other alloying elements. It is one of the light metal materials.
titanium alloy
Titanium alloy is an alloy composed of titanium and other elements.
2. Different Features
aluminum alloy
In addition to the general characteristics of aluminum, aluminum alloys have specific characteristics that vary depending on the type and quantity of alloying elements added.
The density of the aluminum alloy varies from 2.63 to 2.85 g/cm³ and has high resistance (with σb ranging from 110 to 650 MPa). Its specific strength is comparable to that of high-alloy steel, and its specific stiffness surpasses that of steel.
Aluminum alloys exhibit excellent casting and plastic processing properties, good electrical and thermal conductivity, as well as exceptional corrosion resistance and weldability. As a result, they can serve as suitable structural materials.
titanium alloy
Titanium alloy features high strength, low density, good mechanical properties, excellent toughness and corrosion resistance. However, it also has low processability and can be difficult to cut.
During hot processing, it tends to absorb impurities such as hydrogen, oxygen, nitrogen and carbon, resulting in reduced wear resistance and a more complex production process.
3. Different applications
aluminum alloy
It is widely used in the marine industry, chemical industry, aerospace, metal packaging, transportation and other fields.
titanium alloy
Titanium alloy is mainly used for the production of aircraft engine compressor components, followed by structural parts of rockets, missiles and high-speed aircraft.
