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Titanium Alloy
Titanium Alloy
Titanium Alloy

Titanium Alloy

Titanium alloy is an alloy material composed of titanium and other metallic elements (such as aluminum, vanadium, iron, molybdenum, etc.).
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Introduction
Application
Specification
Feature
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Introduction
Titanium Alloy

Titanium alloy is an alloy material composed of titanium and other metallic elements (such as aluminum, vanadium, iron, molybdenum, etc.). In actual operation, the processing and use of this alloy need to follow certain specifications and technical requirements.
For example, when welding this material, it is necessary to select the appropriate welding method and welding material to ensure the quality and performance of the welded joint. In addition, because it is sensitive to hydrogen, it is necessary to avoid contact with hydrogen-containing substances during processing and storage to prevent the occurrence of hydrogen embrittlement.

Titanium Alloy
Product Application
Aerospace
Titanium alloy has an important position in the aerospace field because of its high strength, low density, good heat resistance and corrosion resistance. It is widely used in aircraft structural parts, such as fuselage shell, engine front shell, landing gear, etc., as well as aircraft engine parts and aviation fasteners. In addition, these kind of alloys also play an important role in space vehicles, such as the manufacture of satellite capsules, mainly due to its lightweight characteristics to help reduce the load of the vehicle.
Chemical industry
The corrosion resistance of titanium alloy pipe and plate makes them ideal for manufacturing equipment and components that come into contact with corrosive chemicals, such as reactors, heat exchangers, storage tanks and valves.
Marine engineering field
Because of its excellent seawater corrosion resistance, it has been widely used in the fields of offshore oil and gas development, port construction, coastal power stations, seawater desalination, shipping, Marine fisheries and Marine heat energy conversion. Especially in the manufacture of ships and submarines, these kind of alloys are used in pressure housings, pipes, valves and other components.
Medical field
The biocompatibility of titanium alloys makes it an ideal material for artificial joints, dental implants, surgical instruments, and transplant internal fixations. For example, the Ti-2448 developed by the Chinese Academy of Sciences has ideal compatibility with animal bone after implantation because of its low elastic modulus.
The automobile industry
It also has certain applications in the automotive industry, such as for automotive engine parts (such as connecting rod, spring, crankshaft, fasteners, etc.) and the overall structure of the automobile to improve the lightweight and efficiency of the automobile. Titanium rims also improve steering flexibility and reduce vehicle vibration.
Specification
Product Specification

 

Composition:

Element Fe O Al V C Ti
Content 0.3%max 0.25%max 5.5-6.5%max 3.5-4.5% 0.08%max Balance

 

Typical Properties:

Yield Strength(RP0.2) > 750 MPa
Strength at Break(Rm) > 850 MPa
Tensile Elongation > 10 %
Hardness 349HV
Feature
Classification
α
It is a single-phase alloy composed of α-phase solid solution, with stable organization, higher wear resistance than pure titanium, and strong oxidation resistance. At the temperature of 500℃ ~ 600℃, it still maintains its strength and creep resistance, but it cannot be strengthened by heat treatment, and the strength at room temperature is not high. Alpha titanium alloy has the best machinability, so it is more commonly used in applications.
β
It is a single-phase alloy composed of β phase solid solution, which has a high strength without heat treatment, and is further strengthened after quenching and aging, and the room temperature strength can reach 1372 ~ 1666MPa. However, its thermal stability is poor, should not be used at high temperatures.
α+β
It is a biphase alloy, has good comprehensive properties, good organizational stability, good toughness, plasticity and high temperature deformation properties, can be better thermal pressure processing, can be quenched, aging to strengthen the alloy. α+β titanium alloy has good comprehensive performance in the three alloys, so it is also more commonly used.
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