Quantitative ultrasonic testing of acoustically anisotropic materials with verification on austenitic and dissimilar weld joints. Boller, C., Pudovikov, S., & Bulavinov, A. AIP Conference Proceedings, 1430(1):881–888, May, 2012. ![Quantitative ultrasonic testing of acoustically anisotropic materials with verification on austenitic and dissimilar weld joints [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Austenitic stainless steel materials are widely used in a variety of industry sectors. In particular, the material is qualified to meet the design criteria of high quality in safety related applications. For example, the primary loop of the most of the nuclear power plants in the world, due to high durability and corrosion resistance, is made of this material. Certain operating conditions may cause a range of changes in the integrity of the component, and therefore require nondestructive testing at reasonable intervals. These in-service inspections are often performed using ultrasonic techniques, in particular when cracking is of specific concern. However, the coarse, dendritic grain structure of the weld material, formed during the welding process, is extreme and unpredictably anisotropic. Such structure is no longer direction-independent to the ultrasonic wave propagation; therefore, the ultrasonic beam deflects and redirects and the wave front becomes distorted. Thus, the use of conventional ultrasonic testing techniques using fixed beam angles is very limited and the application of ultrasonic Phased Array techniques becomes desirable. The
@article{boller_quantitative_2012,
title = {Quantitative ultrasonic testing of acoustically anisotropic materials with verification on austenitic and dissimilar weld joints},
volume = {1430},
issn = {0094243X},
url = {http://proceedings.aip.org/resource/2/apcpcs/1430/1/881_1},
doi = {doi:10.1063/1.4716317},
abstract = {Austenitic stainless steel materials are widely used in a variety of industry sectors. In particular, the material is qualified to meet the design criteria of high quality in safety related applications. For example, the primary loop of the most of the nuclear power plants in the world, due to high durability and corrosion resistance, is made of this material. Certain operating conditions may cause a range of changes in the integrity of the component, and therefore require nondestructive testing at reasonable intervals. These in-service inspections are often performed using ultrasonic techniques, in particular when cracking is of specific concern. However, the coarse, dendritic grain structure of the weld material, formed during the welding process, is extreme and unpredictably anisotropic. Such structure is no longer direction-independent to the ultrasonic wave propagation; therefore, the ultrasonic beam deflects and redirects and the wave front becomes distorted. Thus, the use of conventional ultrasonic testing techniques using fixed beam angles is very limited and the application of ultrasonic Phased Array techniques becomes desirable. The},
number = {1},
urldate = {2013-06-25TZ},
journal = {AIP Conference Proceedings},
author = {Boller, C. and Pudovikov, S. and Bulavinov, A.},
month = may,
year = {2012},
pages = {881--888}
}
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