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Determining material properties of metal-matrix composites by NDE

Journal Article · · JOM (Journal of the Minerals, Metals and Materials Society); (United States)
DOI:https://doi.org/10.1007/BF03223169· OSTI ID:7181864
; ;  [1];  [2];  [3];  [4]
  1. Westinghouse Electric Corp., Pittsburgh, PA (United States). Science and Technology Center
  2. DWA Composite Specialities, Chatsworth, CA (United States)
  3. Agency for Defense Development (Korea, Republic of)
  4. Ames Lab., IA (United States)
+ Show Author Affiliations

This paper reports on Nondestructive evaluation (NDE) which is a promising means of studying silicon carbide particulate (SiC[sub p])-reinforced aluminum metal-matrix composite (MMC) products at various processing stages. Eddy current techniques are effective in characterizing alloy powders and in evaluating the percentage of reinforcement in Al/SiC[sub p] powder mixtures. Ultrasonic methods can be used to identify SiC[sub p] clusters in large-scale, powder metallurgy processed MMC billets, while eddy current techniques can detect near-surface density variations. Ultrasonic techniques can also be used to determine the anisotropic stiffness constants of composite extrusions; the measured moduli are in good agreement with those determined by tensile testing. These results suggest that NDE can be used to provide on-line, closed-loop control of MMC manufacturing.

DOE Contract Number:
W-7405-ENG-82
OSTI ID:
7181864
Journal Information:
JOM (Journal of the Minerals, Metals and Materials Society); (United States), Journal Name: JOM (Journal of the Minerals, Metals and Materials Society); (United States) Vol. 44:10; ISSN 1047-4838; ISSN JOMMER
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
360602* -- Other Materials-- Structure & Phase Studies
42 ENGINEERING
420500 -- Engineering-- Materials Testing
ACOUSTIC TESTING
ALUMINIUM
CARBIDES
CARBON COMPOUNDS
COMPOSITE MATERIALS
EDDY CURRENT TESTING
ELECTROMAGNETIC TESTING
ELEMENTS
MATERIALS
MATERIALS TESTING
MATRIX MATERIALS
MECHANICAL PROPERTIES
METALS
NONDESTRUCTIVE TESTING
ON-LINE SYSTEMS
POWDERS
REINFORCED MATERIALS
SILICON CARBIDES
SILICON COMPOUNDS
SYNTHESIS
TENSILE PROPERTIES
TESTING