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Nondestructive differentiating three transformation products in low alloy steel with two ultrasonic methods

Li Lin, Xi-meng Li, Jun-shan and Zhang
Department of Materials Engineering, Dalian University of Technology, Dalian,
Liaoning Province116023, P.R.China.
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Abstract

INTRODUCTION

THE RELATIVE ATTENUATION COEFFICIENT TECHNIQUE

PRINCIPLE AND METHOD

APPARATUS

SPECIMENS

RESULTS

ULTRASONIC SPECTRAL ANALYSIS

PRINCIPLE

APPARATUS

EXPERIMENTAL RESULTS

CONCLUSIONS

ACKNOWLEDGMENTS

REFERENCES

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