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Composite material reinforced with atomized quasicrystalline particles and method of making same

Patent ·
OSTI ID:872049
 [1];  [1];  [1];  [1]
  1. Ames, IA
+ Show Author Affiliations

A composite material comprises an aluminum or aluminum alloy matrix having generally spherical, atomized quasicrystalline aluminum-transition metal alloy reinforcement particles disposed in the matrix to improve mechanical properties. A composite article can be made by consolidating generally spherical, atomized quaiscrystalline aluminum-transition metal alloy particles and aluminum or aluminum alloy particles to form a body that is cold and/or hot reduced to form composite products, such as composite plate or sheet, with interfacial bonding between the quasicrystalline particles and the aluminum or aluminum alloy matrix without damage (e.g. cracking or shape change) of the reinforcement particles. The cold and/or hot worked compositehibits substantially improved yield strength, tensile strength, Young's modulus (stiffness).

Research Organization:
Ames Laboratory (AMES), Ames, IA; Iowa State University, Ames, IA (US)
DOE Contract Number:
W-7405-ENG-82
Assignee:
Iowa State University Research Foundation, Inc. (Ames, IA)
Patent Number(s):
US 5851317
Application Number:
08/792,285
OSTI ID:
872049
Country of Publication:
United States
Language:
English

References (1)

Synthesis of stable quasicrystalline particle-dispersed Al base composite alloys journal January 1993

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Related Subjects

/148/420/428/
alloy
alloy matrix
alloy particle
alloy particles
aluminum
aluminum alloy
aluminum-transition
article
atomized
atomized quasicrystalline
bonding
change
cold
composite
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comprises
consolidating
cracking
damage
disposed
form
form composite
hot
improve
improve mechanical
improved
interfacial
interfacial bond
material
material comprises
matrix
mechanical
mechanical properties
metal
metal alloy
method
modulus
particles
plate
products
properties
quaiscrystalline
quasicrystalline
reduced
reinforced
reinforcement
shape
shape change
sheet
spherical
stiffness
strength
substantially
substantially improve
substantially improved
tensile
tensile strength
transition metal
yield
yield strength