Materion Corporation logo

DURABLE, LIGHTWEIGHT SUPREMEX® METAL MATRIX COMPOSITES FOR A RANGE OF APPLICATIONS 


SupremEX aluminum-silicon-carbide metal matrix composites (MMCs) are available in several different material grades to address needs in a range of markets including space and defense, automotive, aerospace, consumer electronics and more. 

While SupremEX composites are all engineered to improve wear resistance, fatigue strength and tensile strength at elevated temperatures, each grade offers unique benefits catered to different applications. Below is a comparison of three of our most common grades of SupremEX MMCs.

AVAILABLE FORMS OF SUPREMEX MMCS 

SupremEX MMCs are available in:

  • HIP Billets (hot isostatic pressing)
  • Forged Plates or Shapes
  • Extruded Profiles
  • Rolled Sheets

Forged or extruded SupremEX can be fabricated at a reduced cost.

Material

SupremEX 225XE

SupremEX 620XF

SupremEX 640XA

Product Form

Forged Plate

Forged

Forged Plate

Heat Treatment

T6 PGQ

T6 CWQ

T6 PGQ

Rp0.2 MPa (ksi)

400 (58)

410 (59.4)

400 (58.0)

Rm MPa (ksi)

600 (87)

490 (71.1)

530 (76.9)

Elastic Modulus GPa (msi)

115 (16.7)

102 (14.8)

140 (20.3)

Elongation to Failure %

3-4

7

2

Density g/cm3 (lb/in3)

2.88 (0.104)

2.80 (0.101)

2.9 (0.105)

Thermal Conductivity @ 25°C W/(mK) (BTU/hr.ft.°F)

150 (87)

150 (87)

130 (75)

Thermal Expansion @ 25°C ppm/°K (ppm/°F )

16.1 (8.9)

16 (8.9)

13 (7.2)

  Benefits Aerospace grade aluminum alloy (AA2124) that offers a high tensile modulus approximately 60 percent higher than the parent alloy and slightly higher than that of titanium. It also offers good strength, excellent fatigue characteristics and is particularly well suited for applications demanding a good balance of properties. Aluminum alloy (AA6061) reinforced with silicon carbide to provide more damage resistant properties. When extruded, it produces precision shapes. Offers extremely high tensile modulus (nearly double that of the parent alloy), good static and fatigue strengths, superior elevated temperature strength and thermal stability. Achieved Class 1 status for stress corrosion cracking resistance at an applied stress of 370 MPa, according to ESA Standard ECSS-Q-70-37A.
  Data Sheet  SupremEX 225XE data sheet  SupremEX 620XF data sheet  SupremEX 640XA data sheet

Information is for comparative purposes only and information provided is based on general industry information and material properties can be different based on minimum, typical or maximum properties along with specific heat treatment conditions & product forms. PGQ refers to poly-glycol quench and CWQ stands for cold water quench. 

ENGINEERING DESIGN AND PROJECT SUPPORT 

Our engineering team can ensure that you achieve optimum results when using SupremEX metal matrix composites for your automotive, aerospace, defense and space applications and more. We manage project risk project inception to completion to ensure the best outcomes. 

Talk with our engineers to see how SupremEX composites can be used in your unique application.