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ALBECAST® BERYLLIUM ALUMINUM INVESTMENT CASTING COMPOSITE OFFER DESIGN FLEXIBILITY


Materion offers AlBeCast®, investment cast beryllium aluminum composite with many of the same mechanical properties of AlBeMet® composites, but available at a more economical cost. AlBeCast investment casting composite is offered in two variations, AlBeCast 910 and AlBeCast 920 material. These composites offer varying levels of yield and tensile strength.

These casting composites provide designers with several advantages in fabrication. Investment casting is a near net-shape process that requires less of this material than conventional machining. In addition, the time needed for machining investment cast parts is reduced. The combination of reduced material and fabrication costs can be substantial. The high specific stiffness and low-density of AlBeCast composite means it can be used to reduce the weight of aerospace components and aviation electronics housings.

For more on AlBeCast composites for aerospace, download the AlBeCast material specification for aerospace applications.

MANUFACTURING ALBECAST COMPOSITE


AlBeCast composite can be manufactured into optical components, housing for electronics, avionics packaging and automotive parts. This composite can also be cast in rapid prototyping process which can speed up the testing of various designs. Interested in prototyping, download the AlbeCast material rapid manufacturing specification sheet

Read more about AlBeCast composite, by downloading the design and fabrications guidelines.

Property

AlBeCast® 910

AlBeCast® 920

Aluminum A357-T6

Titanium 6AL-4V

AlSiC F3A205-T6

Density g/cm3 (lb/in3)

2.17 (0.078)

2.18 (0.078)

2.69 (0.097)

4.43 (0.160)

2.69 (0.097)

CTE @ 25oC ppm/oC (ppm/oF)

14.6 (8.1)

14.2 (7.9)

21.5 (11.9)

9.3 (5.2)

16.4 (9.1)

Modulus GPa (Msi)

193 (28)

202 (29.3)

72 (10.5)

110 (16)

72 (10.5)

Yield Strength, MPa (ksi)

165 (24)

220 (32)

248 (36)

880 (128)

165 (24)

Ultimate Tensile Strength, MPa (ksi)

211 (31)

269 (39)

317 (46)

950 (138)

196 (28)

ALBECAST® 910 COMPOSITE

AlBeCast 910 composite is a ternary beryllium aluminum nickel composite. It has a relatively high specific modulus, good ductility and reasonably good strength. The addition of nickel reduces the thermal expansion coefficient, increases tensile properties and improves castability. This makes it a cost efficient material for housing for avionics electronics or other aerospace applications.

Download the AlBeCast 910 X-ray Grade Sheet.

ALBECAST® 920 COMPOSITE

AlBeCast 920 composite is equivalent to AMS 7918. This is a beryllium aluminum composite containing silver, cobalt and germanium. The silver and cobalt are added to increase strength, while germanium is added for improved castability. AlBeCast 920 composite has a higher specific strength than AlBeCast 910 composite; however, AlBeCast 920 composite’s ductility is lower and the cost is higher and more variable.

Talk with our engineers to inquire about how AlBeCast investment cast composites can meet your requirements.