Ultrasonic Examination of “T, K, Y” Typical weld （超声波检查的u201CT,K,Yu201D典型的焊接）.pdf
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5 Ultrasonic Examination of “T, K, Y” Typical weld joints of Austenitic Stainless steel for
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d Reactor Components of PFBR – Our Experience.
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e T.Loganathan1, a, Dr.Prabhat Kumar2, b, B.Anandabadmanaban1, c, Dr.Venkatraman1, d
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w 1Indira Gandhi Centre for Atomic Research, Kalpakkam, India
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e Bharatiya Nabhikiya Vidyut Nigam Limited, Kalpakkam, India
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a E-mail: loganath@igcar.gov.in; pkumar@igcar.gov.in; bap@igcar.gov.in;
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a bvenkat@igcar.gov.in
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A Key words: Ultrasonic Examination; Weld joints; Reactor Components.
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O Abstract
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n The second phase of Indian Nuclear Programme, 500MWe Prototype Fast Breeder Reactor (PFBR)
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r of pool type, mixed oxide fuelled, sodium cooled nuclear reactor is nearing completion stage of
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construction at Kalpakkam, Tamilnadu, India.
The reactor components of PFBR is larger in size, varying thickness with challenging design,
fabricated by Austenitic Stainless Steel for compatibility with liquid Sodium, which is being used as
coolant both in primary and secondary system of PFBR.
Ultrasonic examination of Austenitic Stainless Steel Welds has been considered as difficult due to
high level of scatter, attenuation, often prevents obse
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