Generic Ti-48Al-2W-0.5Si Titanium Alloys

Material group: Nonferrous Alloys / Titanium Alloys
Country / Standard: Generic

Data updates

Latest Update: 2019-12
Total number of updates: 1
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Generic Ti-48Al-2W-0.5Si Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
32.00
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
H
VALUE
Actual compositions: for test sample A, H = 0.0010%, for test sample B, H = 0.0002%, for test sample C, H = 0.0012%, for test sample D, H = 0.0017%, for test sample E, H = 0.0045%
UNIT
%
CAS NUMBER
1333-74-0
CRITERIA
N
VALUE
Actual compositions: for test sample A, N = 0.0050%, for test sample B, N = 0.0080%, for test sample C, N = 0.0061%, for test sample D, N = 0.0049%, for test sample E, N = 0.0045%
UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
O
VALUE
val1
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UNIT
%
CAS NUMBER
7782-44-7; 17778-80-2
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

Tensile properties and microstructure of Ti-48Al-2W-0.5Si γ-titanium aluminide at temperatures between room temperature and 800°C, V. Recina, B. Karlsson, 2013

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Generic Ti-48Al-2W-0.5Si Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
80 — 171.9 GPa
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Density
4.3 — 5.1 kg/dm³
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This material has 84 properties — only a subset is shown here.

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Generic Ti-48Al-2W-0.5Si Heat Treatments

  • Test sample A:

    Hipping: Heated at 1185°C at 172 MPa for 3h

    Heat treatment 1: Heated at 1302°C for 20h (argon), GFC (gas fan cooled).

    Heat treatment 2: Heated at 913°C for 4h (argon), GFC (gas fan cooled).

    Test sample B and C:

    Hipping: Heated at 1260°C at 172 MPa for 4h

    Heat treatment 1: Heated at 1302°C for 20h (argon), GFC (gas fan cooled).

    Heat treatment 2: Heated at 913°C for 4h (argon), GFC (gas fan cooled).

    Test sample D:

    Hipping: Heated at 1185°C at 150 MPa for 4h

    Heat treatment 1: Heated at 1300°C for 20h (argon), GFC (gas fan cooled).

    Heat treatment 2: Heated at 900°C for 4h (argon), GFC (gas fan cooled).

    Test sample E:

    Hipping: Heated at 1260°C at 172 MPa for 4h

    Heat treatment 1: Heated at 1300°C for 20h (argon), GFC (gas fan cooled).

    Heat treatment 2: Heated at 900°C for 4h (argon), GFC (gas fan cooled).

Generic Ti-48Al-2W-0.5Si Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
400 — 492.7 MPa
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Elongation, A
0.4 — 1.2 %
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Yield Strength, Rp0.2
val1
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MPa
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  • -Cross References
  • 7Composition
  • 46Mechanical Properties
  • 17Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 13Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers