ULTRASONIC TECHNIQUES IN EVALUATION OF METAL MATRIX PARTICULATE COMPOSITES

被引：13

作者：

ROHATGI, PK

RAMAN, S

MAJUMDAR, BS

BANERJEE, A

机构：

[1] INDIAN INST TECHNOL,MADRAS 600036,TAMIL NADU,INDIA

[2] BATTELLE MEM INST,COLUMBUS,OH 43201

[3] INST MET FORSCH,BERLIN,GERMANY

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1990年 / 123卷 / 01期

关键词：

Aluminum Silicon Magnesium Alloys--Fiber Reinforcement - Ultrasonic Applications;

D O I：

10.1016/0921-5093(90)90214-N

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Gravity- and pressure-die-cast aluminium alloy-ceramic particle composites containing dispersions of alumina and zircon particles were characterized using a pulse echo ultrasonic technique. Good agreement was obtained between the experimental and theoretical values of longitudinal ultrasonic velocities and moduli in the case of low (less than 1%) porosity composites. By suitably controlling the casting conditions to reduce porosity levels below 1%, these ultrasonic measurements can be used for rapid determination of the volume percentage of particles in a production unit. © 1990.

引用

页码：89 / 97

页数：9

共 9 条

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