ACT4-2014 type III Sintered Aluminum
ACT4-2014 type III is sintered 2014 aluminum in the T4 temper. To achieve this temper, the metal is solution heat-treated and naturally aged. The graph bars on the material properties cards below compare ACT4-2014 type III to: otherwise unclassified aluminums (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Elastic (Young's, Tensile) Modulus
70 GPa 10 x 106 psi
Elongation at Break
2.5 %
Fatigue Strength
71 MPa 10 x 103 psi
Poisson's Ratio
0.33
Shear Modulus
26 GPa 3.8 x 106 psi
Tensile Strength: Ultimate (UTS)
220 MPa 32 x 103 psi
Tensile Strength: Yield (Proof)
180 MPa 26 x 103 psi
Thermal Properties
Latent Heat of Fusion
390 J/g
Maximum Temperature: Mechanical
170 °C 340 °F
Melting Completion (Liquidus)
650 °C 1210 °F
Melting Onset (Solidus)
560 °C 1030 °F
Specific Heat Capacity
880 J/kg-K 0.21 BTU/lb-°F
Thermal Conductivity
130 W/m-K 76 BTU/h-ft-°F
Thermal Expansion
23 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
33 % IACS
Electrical Conductivity: Equal Weight (Specific)
100 % IACS
Otherwise Unclassified Properties
Base Metal Price
10 % relative
Density
2.9 g/cm3 180 lb/ft3
Embodied Carbon
8.0 kg CO2/kg material
Embodied Energy
150 MJ/kg 64 x 103 BTU/lb
Embodied Water
1150 L/kg 140 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
5.2 MJ/m3
Resilience: Unit (Modulus of Resilience)
230 kJ/m3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
47 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
28 points
Thermal Diffusivity
51 mm2/s
Thermal Shock Resistance
9.9 points
Alloy Composition
| Al | 91.5 to 96.3 | |
| Cu | 3.5 to 5.0 | |
| Si | 0 to 1.2 | |
| Mg | 0.2 to 0.8 | |
| res. | 0 to 1.5 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Further Reading
ASTM B595: Standard Specification for Sintered Aluminum Structural Parts
Sintering of Advanced Materials: Fundamentals and Processes, Zhigang Zak Fang (editor), 2010
Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984
Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993
CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015