Research and Production of Titanium Alloy for Aviation ...€¦ · Aluminium 0.4% Vanadium 0.3% Oxygen 0.02% Fu Baoquan, Research and Production of Titanium Alloy for Aviation Industry

Fu Baoquan, Research and Production of Titanium Alloy for Aviation Industry by WST

October 7-10, 2012 • Atlanta, Georgia, USA

Research and Production of Titanium Alloy for Aviation Industry by WST



Overview of WST

Beijin

Xi’A

n

Location



WST Equipment



WST Products



Application for Aerospace, Implant Material, MRI and ITER



R&D of Ti-6Al-4V ELI Large Scale Bars in WST

• The technology of high homogeneous chemical composition for large scale Ti-6Al-4V ELI Ingots

• The technology of macro&micro-structures and high mechanical properties for large scale Ti-6Al-4V ELI bars

• The newest development of Ti-6Al-4V ELI bar(650mm)

• Apply to frame of aircraft as structure parts



High homogeneous chemical composition for large scale Ti-6Al-4V ELI Ingots (720mm)

0

1

2

3

4

5

6

7

%

0

1

2

3

4

5

%

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

%

Aluminium 0.4% Vanadium 0.3% Oxygen 0.02%



Macro-structures for large scale Ti-6Al-4V ELI bars

06120

380mm

07243

380mm

06119

300mm

07243

450mm

06094

450mm



Micro-structures for large scale Ti-6Al-4V ELI bars

Side Center D/4

Side Center D/4

Ф380mm

Ф450mm



High mechanical properties for large scale Ti-6Al-4V ELI bars

0

100

200

300

400

500

600

700

800

900Standard：≥815MPa

MPa

Tensile Strength for Longitudinal Direction Tensile Strength for Corss Direction

0

100

200

300

400

500

600

700

800

900 Standard：≥725MPa

MPa

Yield Strength for Longitudinal Direction Yield Strength for Cross Direction



The newest development of Ti-6Al-4V ELI bar(650mm)

650mm

Position Rm/

MPa

Rp0.2/

MPa

A/% Z/%

Side 865 780 16.0 40.0

Center 855 765 16.0 42.0

Pos. Noise

Side Φ3.2mm-15dB

Mid. Φ3.2mm-（8.5～15）dB



R&D of Ti6Al3Mo1Zr0.2Si Bars in WST

• The technology of high homogeneous chemical composition for large scale TiAlMoZrSi Ingots

• The technology of high mechanical properties for TiAlMoZrSi small bars

• Apply to blades of aircraft as revolving parts



High homogeneous chemical composition for TiAlMoZrSi Ingots (720mm)

Al Mo

Zr Si



High mechanical properties for AlMoZrSi small bars



R&D of Ti6.5Al2Mo2Zr2Sn1W0.2Si Bars in WST

• The technology of high homogeneous chemical composition for large scale TiAlMoZrSnWSi Ingots

• The technology of macro&micro-structures and high mechanical properties for TiAlMoZrSnWSi bars

• Apply to compressor disk of aircraft as heat-resisting material



High homogeneous chemical composition for TiAlMoZrSnWSi Ingots (640mm)



Macro&Micro-structures and Mechanical Properties for TiAlMoZrSnWSi bars(200mm)

Room Temperature

550C 100h



R&D of Ti10V2Fe3Al Bars in WST

• The technology of high homogeneous chemical composition for large scale Ti1023 Ingots

• The technology of macro&micro-structures and high mechanical properties for Ti1023 bars

• Apply to propeller of helicopter as structure material



High homogeneous chemical composition for Ti1023 Ingots(520mm)

6

6.5

7

7.5

8

8.5

9

9.5

10

10.5

11 V

2

2.2

2.4

2.6

2.8

3

3.2

3.4 Al

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9 Fe

1 1 1 3 2 3 2 2 3



Macro-structures and fleck photos for Ti1023 bars(350mm)



High mechanical properties for Ti1023 bars(350mm)

Longitude Latitude

Rm(MPa) Rp0.2(MPa) A4(%) Z(%) Rm(MPa) Rp0.2(MPa) A4(%) Z(%) KIC（C-R）

Sample1 1240 1190 12 60 1230 1170 6 18 68.5

Sample2 1220 1170 14 61 1170 1110 6.5 28.5 62.9

Standard ≥1105 ≥1035 ≥8 ≥15 ≥1105 ≥1035 ≥6 ≥10 ≥55

Longitude Latitude

Rm(MPa) Rp0.2(MPa) A4(%) Z(%) Rm(MPa) Rp0.2(MPa) A4(%) Z(%) KIC (C-R）

Sample1 1140 1050 11.5 61.5 1200 1120 9 36 75.2

Sample2 1160 1090 10.5 61.5 1180 1120 10 39 76.4

Standard ≥1105 ≥1035 ≥8 ≥15 ≥1105 ≥1035 ≥6 ≥10 ≥55

Longitude Latitude

Rm(MPa) Rp0.2(MPa) A4(%) Z(%) Rm(MPa) Rp0.2(MPa) A4(%) Z(%) KIC (C-R）

Sample1 1210 1080 13 61.5 1220 1100 12 42 64.8

Sample2 1220 1090 16 61.5 1230 1120 13 42 66.5

Standard ≥1105 ≥1035 ≥8 ≥15 ≥1105 ≥1035 ≥6 ≥10 ≥55



More…

WST also research and developed many other titanium alloys, such as high temperature-resisting titanium alloy, inflaming retarding titanium alloy and etc.. All the materials are used to aviation industry widely in China.



Thank you for your attention !

Documents

Research and Production of Titanium Alloy for Aviation ...€¦ · Aluminium 0.4% Vanadium 0.3% Oxygen 0.02% Fu Baoquan, Research and Production of Titanium Alloy for Aviation Industry