Global Titanium Alloy Main Classification Analysis

Date: 2016-02-18
Titanium alloy is a metallic material that consists of titanium mixed with other metals, usually small quantities of palladium, vanadium, aluminum, and/or tin.
Figure 1 Titanium Alloy Main Classification Analysis
 Titanium Alloy
Source: Internet, Gos Research Center, Jan. 2016
Figure 2 2014 Various titanium alloys market share
 Titanium Alloys Market
Source: Gos Research Center, Jan. 2016
Table 1 Comparison of Characteristics of a variety of titanium alloys

Types of alloys

Rel/MPa

Rm/MPa

A/%

Features

Alpha Alloys

200~500

250-550

15~25

99% pure titanium,
performance changes along with oxygen content

 

 

 

 

 

Near-alpha
Alloys

850~1000

950~1100

12~15

Have certain creep
resistance, a small amount of β (stabilization of iron impurities) can be
refined grains; welding performance is good, can be forged.

 

 

 

 

 

Alpha and
beta Alloys

900~1200

1000~1300

10~15

Low temperature in the
range of 400
all have good performance; It is easy to change the grain structure
through the thermo-mechanical treatment.

 

 

 

 

 

Beta Alloys

1100~1300

1250~1400

6~10

Can be aging heat
treatment;
Forming
properties before aging is excellent.

Source: Internet, Gos Research Center, Jan. 2016

◆ The “A” in the table represents Plasticity.
The “Rel/Rm” in the table represents Yield ratio.

* Yield ratio is low, it indicates that the plasticity of material is preferably; Yield ratio is high, it indicates that the deformation resistance of materials is strong, and is not easy to occur plastic deformation.

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