Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Fracture (geology)"'
Publikováno v:
Journal of Nuclear Materials. 517:225-233
Local stress concentration sites and/or microstructural inhomogeneities result in the nucleation and initiation of adiabatic shear bands (ASB). This paper reports the influence of impurities for the initiation and evolution of ASBs in U-2.5 wt%Nb all
Publikováno v:
Journal of Nuclear Materials. 501:200-207
In order to analyze the fracture toughness and fracture behavior (J-R curves) of China Low Activation Martensitic (CLAM) steel under the design service temperature of Test Blanket Module of the International Thermonuclear Experimental Reactor, the qu
Publikováno v:
Journal of Nuclear Materials. 498:117-128
The stress corrosion cracking (SCC) behavior of Alloy 690 with 0, 20% and 30% cold work (CW) was studied in supercritical water (SCW) environment with an emphasis on CW and creep on the CGRs (CGR). SCC and creep CGRs increased with %CW, which correla
Publikováno v:
Journal of Nuclear Materials. 553:152950
The objective of the present study was to provide new relevant information on creep behaviour and fracture processes in a sponge-based modified Zr1%Nb cladding alloy (modified E110 alloy) in the α-Zr and (α+β)-Zr phase regions. To this end, consta
Publikováno v:
Journal of Nuclear Materials. 549:152911
The test results of tensile round bars from austenitic stainless steel of 18Cr-10Ni-Ti grade (Russian analog of AISI 321 steel) irradiated during 45 years in Pressure Water Reactor of WWER-440 type with various damage doses are represented over wide
Autor:
C. Heintze, A. Das, Frank Bergner, David A McClintock, P. Chekhonin, Eberhard Altstadt, Rainer Lindau
Publikováno v:
Journal of Nuclear Materials. 542:152464
Ferritic martensitic ODS steels are one of the candidate structural materials for future Gen-IV nuclear fission and fusion reactors. The dependence of fracture toughness on microstructure was investigated by comparing three 9Cr ODS EUROFER steels man
Autor:
H. K. Khandelwal, G. Avinash, Per Ståhle, J.K. Chakravartty, Saurav Sunil, R. N. Singh, A.K. Bind
Publikováno v:
Journal of Nuclear Materials. 465:177-188
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 hydrogen content on the fracture behaviour of a Zr-2.5Nb allo
Publikováno v:
Journal of Nuclear Materials. 458:253-263
Stress corrosion cracking growth rates of Alloy 182 weld metals in T–S and T–L orientations in 288 °C pure water with various dissolved oxygen and hydrogen concentrations were measured. Extensive inter-dendritic stress corrosion cracking paths o
Autor:
R.N. Singh, J.K. Chakravartty, Priti Kotak Shah, J.S. Dubey, R.S. Shriwastaw, Anil Bhandekar, M.P. Dhotre, K.M. Pandit, S. Anantharaman
Publikováno v:
Journal of Nuclear Materials. 458:319-325
Fracture toughness of irradiated Zr–2.5Nb alloy pressure tube, fabricated by the cold pilgering and stress relieving route, was evaluated using disk compact tension type specimens. These specimens were punched out from the irradiated pressure tube
Publikováno v:
Journal of Nuclear Materials. 449:290-299
This article is to summarize the process development and key characterization results for the newly-developed Fe–9Cr based nanostructured ferritic alloys (NFAs) with high fracture toughness. One of the major drawbacks from pursuing ultra-high stren