Abstract
The Indian Pressurised Heavy Water Reactors (PHWR`s) are of CANDU type, consisting of 304 zircaloy-2 pressure tubes. These pressure tubes contain the fuel bundles, where the heat is generated and is removed by the heavy water flowing through these pressure tubes at high temperature and pressure. These pressure tubes are surrounded by the calandria tubes, and are separated from them by a pair of garter springs. Over a period of time, as a result of the irradiation creep and assisted by the displacement of the garter springs, the hot pressure tube may come in contact with the cold calandria tube. This would result in the hydrogen migrating to the cold contact location and formation of hydride blisters. These blisters could eventually rupture the pressure tube by the DHC (delayed hydrogen cracking) mechanism. 2 refs., 2 figs.
Gangotra, S;
Ouseph, P M;
Tamhane, A B;
Singh, H N;
Sahoo, K C
[1]
- Bhabha Atomic Research Centre, Bombay (India). Radiometallurgy Div.
Citation Formats
Gangotra, S, Ouseph, P M, Tamhane, A B, Singh, H N, and Sahoo, K C.
Neutron radiography of irradiated zircaloy coupons of pressure tubes from PHWR`s.
India: N. p.,
1994.
Web.
Gangotra, S, Ouseph, P M, Tamhane, A B, Singh, H N, & Sahoo, K C.
Neutron radiography of irradiated zircaloy coupons of pressure tubes from PHWR`s.
India.
Gangotra, S, Ouseph, P M, Tamhane, A B, Singh, H N, and Sahoo, K C.
1994.
"Neutron radiography of irradiated zircaloy coupons of pressure tubes from PHWR`s."
India.
@misc{etde_490119,
title = {Neutron radiography of irradiated zircaloy coupons of pressure tubes from PHWR`s}
author = {Gangotra, S, Ouseph, P M, Tamhane, A B, Singh, H N, and Sahoo, K C}
abstractNote = {The Indian Pressurised Heavy Water Reactors (PHWR`s) are of CANDU type, consisting of 304 zircaloy-2 pressure tubes. These pressure tubes contain the fuel bundles, where the heat is generated and is removed by the heavy water flowing through these pressure tubes at high temperature and pressure. These pressure tubes are surrounded by the calandria tubes, and are separated from them by a pair of garter springs. Over a period of time, as a result of the irradiation creep and assisted by the displacement of the garter springs, the hot pressure tube may come in contact with the cold calandria tube. This would result in the hydrogen migrating to the cold contact location and formation of hydride blisters. These blisters could eventually rupture the pressure tube by the DHC (delayed hydrogen cracking) mechanism. 2 refs., 2 figs.}
place = {India}
year = {1994}
month = {Dec}
}
title = {Neutron radiography of irradiated zircaloy coupons of pressure tubes from PHWR`s}
author = {Gangotra, S, Ouseph, P M, Tamhane, A B, Singh, H N, and Sahoo, K C}
abstractNote = {The Indian Pressurised Heavy Water Reactors (PHWR`s) are of CANDU type, consisting of 304 zircaloy-2 pressure tubes. These pressure tubes contain the fuel bundles, where the heat is generated and is removed by the heavy water flowing through these pressure tubes at high temperature and pressure. These pressure tubes are surrounded by the calandria tubes, and are separated from them by a pair of garter springs. Over a period of time, as a result of the irradiation creep and assisted by the displacement of the garter springs, the hot pressure tube may come in contact with the cold calandria tube. This would result in the hydrogen migrating to the cold contact location and formation of hydride blisters. These blisters could eventually rupture the pressure tube by the DHC (delayed hydrogen cracking) mechanism. 2 refs., 2 figs.}
place = {India}
year = {1994}
month = {Dec}
}