2002
DOI: 10.1016/s0022-3115(02)01220-5
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Tensile and fracture toughness properties of MA957: implications to the development of nanocomposited ferritic alloys

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Cited by 75 publications
(55 citation statements)
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“…The results support that high toughness in NFAs can be achieved by eliminating brittle trigger particles [4] to the maximum extent possible, while maintaining fine scale isotropic grain structures. Experimental verification of these concepts is planned for the near future [25].…”
Section: A Model For the K Jc (T) Of A High Strength Nfa Ma957supporting
confidence: 71%
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“…The results support that high toughness in NFAs can be achieved by eliminating brittle trigger particles [4] to the maximum extent possible, while maintaining fine scale isotropic grain structures. Experimental verification of these concepts is planned for the near future [25].…”
Section: A Model For the K Jc (T) Of A High Strength Nfa Ma957supporting
confidence: 71%
“…Ideally, NFAs would manage very high concentrations of helium, of up to 2000 appm, while exhibiting microstructural and dimensional stability at high temperatures up to 200 dpa. Further, NFAs can be developed exhibit a good balance of mechanical properties, like high creep strength and adequate fracture toughness [4]. The key characteristics of the NFAs is that they contain nm-scale precipitates of Ti-Y-Fe-O solutes, have fine to ultra-fine crystallite grain sizes and, possibly, high dislocation densities [5][6].…”
Section: A Transport and Fate Model For Helium And Helium Managementmentioning
confidence: 99%
“…More recently, programs were begun in the fusion reactor programs in Japan, 132 Europe, 133 and the United States. 134,135 A primary objective of these programs, as in the programs before them, is to solve the problem of the 127 "bamboo-like grain structure and a strong deformation texture" which gives rise to anisotropic mechanical properties, especially an inferior biaxial creep-rupture strength. The development programs seek to process the presently available steels (e.g., commercial MA 957-Fe-14Cr-1Ti-0.3Mo-0.25Y 2 O 3 ) to produce an equiaxed structure and explore new alloy compositions.…”
Section: Ferritic and Martensitic Steels For The Futurementioning
confidence: 99%
“…This iron-based ODS steel containing nano-scale oxide particles usually Y 2 O 3 were first introduced and prepared by using mechanical alloying methods (Fischer 1978). This kind of material shows remarkable tensile and creep properties (Alinger et al 2002;Hayashi et al 2008;Klueh et al 2002;Ukai et al 2002Ukai et al , 1993, possess higher radiation-induced swelling resistant McClintock et al 2009;Miller & Zhang 2011) and high thermal stability (Boulnat et al 2013;Ukai et al 2002) due to the presence of nano-scale oxide particles within the steel matrix (Hoeltzer et al 2007;Miao et al 2008;Susila et al 2011). …”
Section: Introductionmentioning
confidence: 99%