Effect of tungsten on tensile properties and flow behaviour of RAFM steel

Vanaja, J.; Laha, K.; Nandagopal, M.; Sam, Shiju; Mathew, M.D.; Jayakumar, T.; Kumar, E. Rajendra

doi:10.1016/j.jnucmat.2012.10.040

Cited by 33 publications

(13 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This clearly indicates applicability of Voce equation for the steel. Vanaja et al 27 found good correlation between s u and s uv in their study on Reduced Activation Ferritic/Martensitic (RAFM) steel at all the temperatures.…”

Section: Prediction Of Tensile Propertiesmentioning

confidence: 90%

Effect of nitrogen on tensile flow behaviour of type 316 LN austenitic stainless steel

Ganesan

Laha

Nandagopal

et al. 2014

Materials at High Temperatures

Self Cite

View full text Add to dashboard Cite

The influence of nitrogen content on the tensile flow behaviour of type 316 LN austenitic stainless steel has been studied. Nitrogen content in the steel has been varied in the range 0?07 to 0?22 wt-%. Tensile tests were carried out over the temperature range of 300-1123 K at a nominal strain rate of 3610 23 s 21 . The tensile flow behaviour of the steels has been analysed based on the constitutive equation proposed by Voce. The Voce's parameters of initial stress (s i ) and saturation stress (s s ) were found to increase linearly with increase in nitrogen content at all the test temperatures. Tensile properties of the steels were predicted from Voce constitutive equation parameters.

show abstract

Section: Prediction Of Tensile Propertiesmentioning

confidence: 90%

Effect of nitrogen on tensile flow behaviour of type 316 LN austenitic stainless steel

Ganesan

Laha

Nandagopal

et al. 2014

Materials at High Temperatures

Self Cite

View full text Add to dashboard Cite

show abstract

“…For instance, increasing W had a more beneficial effect on fatigue life compared with increasing Ta [14]. Increasing W content to 0.7 wt% was found to reduce minimum creep rate [15], going to 2 wt% increased DBTT [16,17], and further increases to 3 wt% and beyond would have the undesirable effect of stabilizing δ-ferrite and favoring more Fe 2 W Laves phase formation [18,19]. Increasing Ta in the range of 0.06-0.15 wt% reduced the prior-austenite grain size and favored small spherical (Ta,V)(C,N) precipitates [20,21,22].…”

Section: Alloy Microstructural Designmentioning

confidence: 97%

Development of new generation reduced activation ferritic-martensitic steels for advanced fusion reactors

Tan

Snead

Katoh

2016

Journal of Nuclear Materials

134

View full text Add to dashboard Cite

International development of reduced activation ferritic-martensitic (RAFM) steels has focused on 9 weight percentage Cr, which primarily contain M 23 C 6 (M=Cr-rich) and small amounts of MX (M=Ta/V, X=C/N) precipitates, not adequate to maintain strength and creep resistance above ~500C. To enable applications at higher temperatures for better thermal efficiency of fusion reactors, computational alloy thermodynamics coupled with strength modeling have been employed to explore a new generation RAFM steels. The new alloys are designed to significantly increase the amount of MX nanoprecipitates, which are manufacturable through standard and scalable industrial steelmaking methods. Preliminary experimental results of the developed new alloys demonstrated noticeably increased amount of MX, favoring significantly improved strength, creep resistance, and Charpy impact toughness as compared to current RAFM steels. The strength and creep resistance were comparable or approaching to the † The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

show abstract

“…(8), all the six data in Table 2 were transformed to an equivalent 2D or SSY data and used for master curve analysis by single temperature method. Table 3 shows the transformed values and Fig.…”

Section: Post Processingmentioning

confidence: 99%

“…Transition regime fracture behaviour of popular RAFMs such as Eurofer 97 and F82H has been studied extensively [1][2][3] using Master Curve (MC) approach. The structural material for test blanket module of ITER being developed in India is designated as In-RAFMS [4][5][6][7][8]. The fracture behaviour of In-RAFMS in ductile brittle transition regime is estimated in this work using Master Curve (MC) approach.…”

Section: Introductionmentioning

confidence: 99%

Determination of reference transition temperature of In-RAFMS in ductile brittle transition regime using numerically corrected Master Curve approach

Tiwari

Avinash

et al. 2015

Engineering Fracture Mechanics

View full text Add to dashboard Cite

Effect of tungsten on tensile properties and flow behaviour of RAFM steel

Cited by 33 publications

References 20 publications

Effect of nitrogen on tensile flow behaviour of type 316 LN austenitic stainless steel

Effect of nitrogen on tensile flow behaviour of type 316 LN austenitic stainless steel

Development of new generation reduced activation ferritic-martensitic steels for advanced fusion reactors

Determination of reference transition temperature of In-RAFMS in ductile brittle transition regime using numerically corrected Master Curve approach

Contact Info

Product

Resources

About