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1 edition of Core-concrete interactions using molten steel with zirconium on a basaltic basemat found in the catalog.

Core-concrete interactions using molten steel with zirconium on a basaltic basemat

Core-concrete interactions using molten steel with zirconium on a basaltic basemat

the SURC-4 experiment

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Published by Division of Systems Research, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission in Washington, D.C .
Written in English

    Subjects:
  • Concrete -- Thermal properties -- Research.,
  • Nuclear pressure vessels -- Accidents -- Research.

  • Edition Notes

    Other titlesCore concrete interactions using molten steel with zirconium on a basaltic basemat.
    Statementprepared by E.R. Copus ... [et al.].
    ContributionsCopus, E. R., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Systems Research., Sandia National Laboratories.
    The Physical Object
    Pagination1 v.
    ID Numbers
    Open LibraryOL15360472M

    INTRODUCTION. High mechanical properties, chemical stability, and biocompatibility make zirconia an attractive core material for fabrication of all-ceramic restorations 4,7,Bonding techniques of all-ceramic restorations are dependent on chemical compositions of each ceramic system Hydrofluoric acid etching and silanization are mandatory steps to achieve a durable resin bonding to. Calculation of Compressive Strength of Concrete Core Calculate the compressive test of the specimen using the computed cross sectional area based on average diameter of the specimen. If the L/D ratio is or less, correct the result obtained by multiplying with.

    The QT-D experiment ablated 18 cm of concrete axially during 50 minutes of interaction on limestone-common sand concrete using a 10 kg charge of stainless steel to which 2 kg of zirconium metal was added subsequent to the onset of erosion. Zircon ZrSiO4 °c 20 1M i nera lD t Pub sh g, v o. Crystal Data: Tetragonal; may be metamict. Point Group: 4=m 2=m 2=m: Most commonly as tabular to prismatic crystals, with square cross sections, terminated by fg, to 30 cm; as irregular grains, massive. Twinning: On fg, geniculated. Physical Properties: Cleavage: Indistinct on fg and File Size: 68KB.

    Zirconium is a strong, ductile and malleable metal whose physical and chemical properties are similar to that of titanium. It has good corrosion and heat resistance. At elevated temperatures, the finely divided metal is capable of igniting spontaneously in air. It cannot be dissolved in acids or alkalis. Zirconium is used in oxide or zirconia form.   Most suppliers are using zirconium, vanadium, titanium or silicon-based compounds with or without organic or inorganic polymerization. A quick look at the periodic table of elements shows that these materials are located in the same general area as chromium, a material that has been used for long-term corrosion resistance for years.


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Core-concrete interactions using molten steel with zirconium on a basaltic basemat Download PDF EPUB FB2

An experiment was performed in order to evaluate the additional effects of zirconium metal oxidation on core debris interactions using molten stainless steel as the core debris simulant. The SURC-4 experiment eroded a total of 25 cm of basaltic concrete during 62 minutes of sustained interaction.

Get this from a library. Core-concrete interactions using molten steel with zirconium on a basaltic basemat: the SURC-4 experiment. [E R Copus; U.S. Nuclear Regulatory Commission.

Office of Nuclear Regulatory Research. Division of Systems Research.; Sandia National Laboratories.;]. Subsequently, the molten corium will interact with the structural concrete, potentially resulting in basemat melt-through or containment failure due to over-pressurization.

This so-called molten corium-concrete interaction (MCCI) phenomenon would have further radiological consequences with more fission products being released into the by: 4.

Core-Concrete Interactions Using Molten Steel With Zirconium on a Basaltic Basemat: The SURC-4 Experiment,” United States Nuclear Regulatory Commission, Rockville, MD, Report No. NUREG/CR– : Munemichi Kawaguchi, Shinya Miyahara, Masayoshi Uno. Core-Concrete Interactions using Molten UO2 with Zirconium on a Basaltic Basemat: The SURC-2 Experiment.

NUREG/CR, SAND, R3, R4, R7. Cited by: In this paper, a simulation study is presented that aims to address the influence of sacrificial concrete properties on molten core-concrete interaction (MCCI). In particular, based on the MELCOR Code, the ferrosiliceous concrete used in European Pressurized Water Reactor (EPR) is taken into account with respect to the different ablation enthalpy and Fe2O3 and Author: Jin-yang Jiang, Ying-jun Yu, Hong-yan Chu, Wei Sun, Yun Gao.

the simulation of Molten Core-Concrete Interaction (MCCI) for reactor safety analysis. Attention focuses here on the validation of TOLBIAC-ICB in configurations expected to be representative of the long term phase of MCCI i.e.

during an interaction between an oxide/metal stratified corium melt and a concrete structure. Up to now the BETA tests. In some circumstances, corium is likely to melt through the reactor pressure vessel and spread over the concrete basemat of the reactor pit.

Molten core concrete interaction (MCCI) then occurs. A mechanistic model of the molten core-concrete interaction (MCCI) process was described, and it was used to calculate and analyze the MCCI process of Daya Bay Nuclear Power Plant.

Environmental analysis of zirconium alloy production Mikael Lundberg The generation of electricity in light water nuclear power plants uses zirconium alloys as the primary containment and cladding of the nuclear fuel.

The environmental impacts of the production of zirconium alloys have been analyzed form a lifecycle perspective. Copus E.R., Blose R.E., Brockmann J.E. et al Core-Concrete Interactions Using Molten UO2 with Zirconium on a Basaltic Basemat, The SURC-2 Experiment Sandia Nat. Lab.

Report NUREG/CR [28] Copus E.R. et al Core-Concrete Interactions Using Molten Steel with Zirconium on a Basaltic Basemat: The SURC-4 Experiment NUREG/CR Cited by: 5.

Copus E.R. et al. Core-Concrete Interactions Using Molten Steel with Zirconium on a Basaltic Basemat: The SURC-4 Experiment NUREG/CR (Albuquerque, NM: Cited by: 5. @article{osti_, title = {Ex-vessel releases of radionuclides during molten core/concrete interactions in severe light water reactor accidents}, author = {Lee, M.

and Wu, J.S.}, abstractNote = {In this paper releases of radionuclides and the production of aerosols during the molten core/concrete interaction (MCCI) phase of degraded core accidents in light water reactors are termed ex.

Hydrogen Permeation in Zirconium Using a Molten Salt Devanathan-Stachurski Electrochemical Cell. Monday, 2 October To realise the Devanathan-Stachurski concept at higher temperatures requires the use of concentrated salt solutions, molten salts or ionic : Ruth A Carvajal-Ortiz, Stuart B Lyon, Michael Preuss, Antoine Ambard.

A Model of Heat and Mass Transfer Beneath an Ablating Concrete Surface Michael Epstein Lucero, D. A.,“Experimental Results of Core-Concrete Interactions Using Molten Steel with Zirconium,” Sandia National Laboratory Report SAND (NUREG/CR).

and Lucero, D. A.,“Core-Concrete Interactions Using Molten Steel Cited by: 1. Five mixes were prepared; namely 0% basalt (as a reference mix), 25% basalt, 50% basalt, 75% basalt and % basalt. The composition of each mix was 60% coarse aggregate of 20 mm size and 40% coarse aggregate of 10mm size.

Fine aggregate confines to zone-I. Casting and Curing Two different sets of specimens are prepared usingFile Size: KB. A Molten Core–Concrete Interaction experimental program is underway at the VULCANO facility. It is devoted to the study of 2Dlong-term dryMCCIwith eitherpurelyoxidic prototypic corium or with stratified oxide and metal layers (Journeau et al., b).

The VULCANO facility. Zirconium in Steels. satyendra; December 3, ; 14 Comments ; grain growth, hardenability, micro structure, phase diagram, steel, Zirconium,; Zirconium in Steels Zirconium (Zr) (atomic number 40 and atomic weight ) has density of gm/cc.

Melting point of Zr is deg C and boiling point is deg C. Zr has a hexagonal close pack crystal structure. OECD MCCI Project2-D Core Concrete Interaction (CCI) Tests - Free download as PDF File .pdf), Text File .txt) or read online for free.

Core-concrete interactions using molten UO sub 2 with zirconium on a basaltic basemat: The SURC-2 experiment c. ASTM 33 ,Standard Specificationsfor Concrete Aggregates, American Society for Testing and Materials, Philadelphia,PA. strength etc.

Basalt fibre has gained very much interest in last few years because of it’s relevance in properties with steel, it’s availability and eco-friendly nature. The objective of this work is to compare the strength of conventional concrete with concrete using basalt fibre.

The percentage of basalt fibre used are ,Introduction. Dental ceramics represents one of the major structural materials in modern fixed prosthodontics. As a material in dental medicine, zirconium-dioxide was introduced in the s when different types of coverage for dental implants were investigated ().The first use of zirconium-dioxide in fixed prosthodontics was when small amounts of aluminum-oxide (Al 2 O 3), in glass Cited by: 2.Core-concrete interactions using molten UO sub 2 with zirconium on a basaltic basemat: The SURC-2 experiment In this section, the temperature data obtained in the SURC-2 experiment will be used to describe the thermal response of meltkoncrete interactions, the .