The effect of radial hydride on the room temperature fracture toughness of the Zr-2.5 Nb pressure tube material with 100% radial hydrides and hydrogen content up to 320wppm was …
W Chen, VBC Tan, X Zeng, P Li - Engineering Fracture Mechanics, 2022 - Elsevier
To study the discrete crack growth of heterogeneous materials, a dual-scale discrete fracture calculation method is proposed in this paper. An equivalent cohesive energy criterion is …
V Patel, A Gopalan, HK Khandelwal, N Keskar… - International Journal of …, 2022 - Elsevier
Abstract The Zr-2.5 Nb alloy pressure tubes of Indian Pressurized Heavy Water Reactors were manufactured from double melted ingots initially and subsequently from quadruple …
Abstract The Zr-2.5 Nb alloy pressure tubes manufactured by Water Quenched and Aged (WQA) fabrication route has reportedly exhibited superior resistance against in-reactor …
R Janulionis, G Dundulis - Nuclear Engineering and Design, 2024 - Elsevier
Hydrogen absorption and hydride formation in zirconium (Zr) alloys is a well-known issue and has been extensively studied in the past. Hydrogen has an impact not only on the …
AK Bind, RN Singh - International Journal of Fracture, 2021 - Springer
The majority of data reported in open literature on hydride embrittlement of Zr alloys is based on hydrogen not deuterium which evolves during aqueous corrosion of in-core components …
During operation in nuclear reactors, zirconium core components undergo a slow process of hydrogen pickup, followed by the onset of the precipitation of zirconium hydrides. These …
RN Singh, V Patel, A Gopalan… - Transactions of the Indian …, 2022 - Springer
Abstract Tubes made of Zr–2.5 Nb alloy in cold-worked and stress relived condition are used as pressure boundary component called pressure tube or coolant tube in Pressurized Heavy …
For fracture testing of pressure tubes, specimens are machined directly from the pressure tube without disturbing its curvature. The compact tension (CT) specimens thus obtained are …