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PRECISION MOLDED METAL PARTS

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Liquidmetal Property Table

Liquidmetal offers a combination of physical and mechanical properties that are not offered by any other alloy.  The unique metal properties of this bulk metallic glass allows designers to fulfill design parameters with a simple metal molding process.

Composition: Alloy of Zr•Cu•Ni•Nb•Al

Mechanical Properties

Metric

English

Metric

English

Metric

English

1250 MPa

Ultimate
Tensile
Strength

181 ksi

460 Vickers

Hardness

47 Rockwell C

85 GPa

Young’s
Modulus, E

12,328 ksi

6.5 J/cm2

Charpy
Impact

31 ft lb/in2

2000 MPa

Ultimate
Flexural
Strength

290 ksi

206 MPa @ 107 cycles

Fatigue
Strength

29.8 ksi @ 107 cycles

65 GPa

Flexural
Modulus

9,428 ksi

6.8 g/cm3

Density, ρ

0.25 lb/in3

0.38 v

Poisson’s
Ratio

0.38 v

0.25%

Mold
Shrinkage

0.25%

1.6%

Elasticity, e

1.6%

Thermal Properties

Metric

English

Metric

English

Metric

English

425 °C

Glass
Transition
Temp, Tg

800 °F

5 W/m•K

Thermal
Conductivity

2.9 Btu/hr ft °F

500 °C

Crystallization
Temp, Tx

930 °F

12.0 μ(m/m)/ °K

Thermal
Expansion

6.7 μ(in/in) °F

Environmental Properties

Metric

English

Metric

English

Metric

English

< 200 °C

Standard
Operating
Temp

< 392 °F

Yes

Resistance
to Acidity

Yes

Pass – 600 hours

Salt Spray
(ASTM B117)

Pass – 600 hours

Yes

Resistance
to Alkalinity

Yes

No detectable degradation after 30 days

Seawater
Immersion

No detectable degradation after 30 days

Surface & Electrical Properties

Metric

English

Metric

English

Metric

English

0.35 μm

Surface
Roughness,
Ra (As Cast)

14 μin

190 μΩ.cm

Electrical
Resistivity, r

74 μΩ.in