ULTRASONIC ATTENUATION MEASUREMENTS IN THERMALLY DEGRADED 2205 DUPLEX STAINLESS STEEL

被引：0
|
作者：
Ruiz, A.
Ortiz, N.
Carreon, H.
Sanchez, A.
机构：
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 28A AND 28B | 2009年 / 1096卷
关键词：
Longitudinal Wave Attenuation; Recrystallization; Ferrite Transformation;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Ultrasonic attenuation plays an important role in materials characterization of metal components. This paper present data and discuss ultrasonic attenuation variations in a 2205 duplex stainless steel aged isothermally at 700 degrees C and 900 degrees C for different time intervals. Attenuation measurements as function of frequency where performed using pulse-echo immersion method and broad band planar transducers. Evidence is found of changes in the attenuation coefficient as aging time increases. The corresponding microstructure of aged specimens was observed and impact toughness was measured. Comparison is made with measurements of ferrite content for the two temperatures and different aging times.
引用
收藏
页码：1246 / 1251
页数：6
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