Effect of radial hydrides on fracture behavior of Zr-2.5 Nb pressure tube material

AK Bind, G Avinash, S Sunil, RK Sharma… - Journal of Nuclear …, 2024 - Elsevier
The fracture behavior of Zr-2.5 Nb pressure tube (PT) material containing radial hydrides
with hydrogen concentrations between 30 and 300wppm was evaluated between 25 and …

Effect of radial hydride fraction on fracture toughness of CWSR Zr-2.5% Nb pressure tube material between ambient and 300° C temperatures

RK Sharma, AK Bind, G Avinash, RN Singh… - Journal of Nuclear …, 2018 - Elsevier
Pressure tube spools fabricated from Zr-2.5% Nb alloy, were subjected to gaseous hydrogen
charging and stress reorientation treatment to form radial hydrides in a specially designed …

Effect of radial hydride on room temperature fracture toughness of Zr-2.5 Nb pressure tube material

A Gopalan, AK Bind, S Sunil, TN Murty… - Journal of Nuclear …, 2021 - Elsevier
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 …

Influence of hydride orientation on fracture toughness of CWSR Zr-2.5% Nb pressure tube material between RT and 300 C

RK Sharma, S Sunil, BK Kumawat, RN Singh… - Journal of Nuclear …, 2017 - Elsevier
An experimental setup was designed, fabricated and used to form radial hydrides in Zr-2.5%
Nb alloy pressure tube spool. The design of setup was based on ensuring a hoop stress in …

Anisotropy and variability in thermal creep behaviour of Zr-2.5 Nb pressure tube

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 …

Effect of deuterium content on fracture toughness of Zr-2.5 Nb pressure tube material in the temperature range of ambient to 300° C

AK Bind, RN Singh, S Sunil, J Chattopadhyay - Journal of Nuclear Materials, 2017 - Elsevier
Axial fracture toughness of cold worked and stress relieved Zr-2.5 Nb pressure tube material
containing deuterium between 5 and 200wppm was determined as per ASTM E− 1820-15 …

Delayed hydride cracking behavior of Zr-2.5 Nb alloy pressure tubes for PHWR700

S Sunil, AK Bind, HK Khandelwal, RN Singh… - Journal of Nuclear …, 2015 - Elsevier
In order to attain improved in-reactor performance few prototypes pressure tubes of Zr-2.5
Nb alloy were manufactured by employing forging to break the cast structure and to obtain …

Influence of loading rate and hydrogen content on fracture toughness of Zr-2.5 Nb pressure tube material

AK Bind, RN Singh, HK Khandelwal, S Sunil… - Journal of Nuclear …, 2015 - Elsevier
For the safety assessment of PHWR, it is required to study the flaw tolerance capacity of the
pressure tubes as a function of the loading rate. In this work, the effect of loading rate and …

Microstructure and fracture toughness of 850° C quenched and aged Zr-2.5 Nb alloy

HK Khandelwal, RN Singh, R Mythili - Journal of Nuclear Materials, 2024 - Elsevier
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 …

Effect of hydrogen isotopes on tensile and fracture properties of Zr–2.5 Nb pressure tube material

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 …