DETERMINING MATERIAL PROPERTIES OF METAL-MATRIX COMPOSITES BY NDE

被引：9

作者：

LIAW, PK

SHANNON, RE

CLARK, WG

HARRIGAN, WC

JEONG, H

HSU, DK

机构：

[1] DWA COMPOSITE SPECIALTIES,CHATSWORTH,CA

[2] AGCY DEF DEV,DAEJEON,SOUTH KOREA

[3] IOWA STATE UNIV SCI & TECHNOL,AMES,IA 50011

来源：

JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY | 1992年 / 44卷 / 10期

关键词：

D O I：

10.1007/BF03223169

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nondestructive evaluation (NDE) is a promising means of studying silicon carbide particulate (SiC(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(p) powder mixtures. Ultrasonic methods can be used to identify SiC(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.

引用

页码：36 / 40

页数：5

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