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109 relations: Adsorption, Alpha decay, Aluminium oxide, Antimony, Barium, Behavior of nuclear fuel during a reactor accident, Boiling water reactor, Boric acid, Boron carbide, Boron trioxide, Caesium, Caesium iodide, Calcium aluminosilicate, Calcium carbonate, Calcium oxide, Carbon dioxide, Carbon monoxide, Cerium, Chemical reaction, Chernobyl disaster, Chernobylite, Chromium, Chromium(III) oxide, Control rod, Core catcher, Coulomb explosion, Creep (deformation), Decay heat, EPR (nuclear reactor), Eutectic system, Exothermic process, Fiber optic sensor, Fukushima Daiichi nuclear disaster, Fukushima Daiichi Nuclear Power Plant, Glass, Half-life, Hot particle, Hydrogen, Hydrogen embrittlement, Hydrogen peroxide, Inclusion (mineral), Inconel, Indium, Indium(III) oxide, Iodine, Iron(III) oxide, Isotope, Isotopes of ruthenium, Lanthanum, Lava, ..., Leaching (chemistry), Lead(II) oxide, Magnesium oxide, Methane, Microstructure, Molybdenum, Neodymium(III) oxide, Niobium, Nuclear chain reaction, Nuclear fission product, Nuclear fuel, Nuclear reactor, Nuclear reactor core, Oxygen, Palladium, Passive autocatalytic recombiner, Porosity, Pressurized water reactor, Pumice, Radiation protection, Radiolysis, Reactor pressure vessel, Redox, Residual stress, Ruthenium, Rutherfordine, Sand, Scram, Serpentinite, Silicate, Silicon dioxide, Slag, Sodium oxide, Solid solution, Sputtering, Stainless steel, Stalactite, Stalagmite, Steam, Steam explosion, Strontium, Studtite, Technetium, The Elephant's Foot, Thermal hydraulics, Three Mile Island accident, Tin, Titanium dioxide, Triuranium octoxide, Uranium, Uranium dioxide, Uranium oxide, Uranyl carbonate, Weathering, Zirconium, Zirconium alloy, Zirconium dioxide, Zirconium(IV) silicate, 2011 Tōhoku earthquake and tsunami. Expand index (59 more) »
Adsorption
Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface.
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Alpha decay
Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
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Aluminium oxide
Aluminium oxide (British English) or aluminum oxide (American English) is a chemical compound of aluminium and oxygen with the chemical formula 23.
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Antimony
Antimony is a chemical element with symbol Sb (from stibium) and atomic number 51.
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Barium
Barium is a chemical element with symbol Ba and atomic number 56.
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Behavior of nuclear fuel during a reactor accident
This page describes how uranium dioxide nuclear fuel behaves during both normal nuclear reactor operation and under reactor accident conditions, such as overheating.
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Boiling water reactor
The boiling water reactor (BWR) is a type of light water nuclear reactor used for the generation of electrical power.
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Boric acid
Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak, monobasic Lewis acid of boron, which is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds.
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Boron carbide
Boron carbide (chemical formula approximately B4C) is an extremely hard boron–carbon ceramic, and covalent material used in tank armor, bulletproof vests, engine sabotage powders, as well as numerous industrial applications.
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Boron trioxide
Boron trioxide (or diboron trioxide) is one of the oxides of boron.
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Caesium
Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55.
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Caesium iodide
Caesium iodide or cesium iodide (chemical formula CsI) is the ionic compound of caesium and iodine.
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Calcium aluminosilicate
Calcium aluminosilicate, an aluminosilicate compound with calcium cations, most typically has formula CaAl2Si2O8.
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Calcium carbonate
Calcium carbonate is a chemical compound with the formula CaCO3.
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Calcium oxide
Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Carbon monoxide
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
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Cerium
Cerium is a chemical element with symbol Ce and atomic number 58.
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Chemical reaction
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
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Chernobyl disaster
The Chernobyl disaster, also referred to as the Chernobyl accident, was a catastrophic nuclear accident.
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Chernobylite
Chernobylite is a technogenic compound, a crystalline zirconium silicate with a high (up to 10%) content of uranium as a solid solution.
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Chromium
Chromium is a chemical element with symbol Cr and atomic number 24.
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Chromium(III) oxide
Chromium(III) oxide (or chromia) is the inorganic compound of the formula.
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Control rod
Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium.
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Core catcher
A core catcher is a device provided to catch the molten core material (corium) of a nuclear reactor in case of a nuclear meltdown and prevent it from escaping the containment building.
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Coulomb explosion
Coulomb explosion is a mechanism for coupling electronic excitation energy from intense electromagnetic fields into the atomic motion.
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Creep (deformation)
In materials science, creep (sometimes called cold flow) is the tendency of a solid material to move slowly or deform permanently under the influence of mechanical stresses.
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Decay heat
Decay heat is the heat released as a result of radioactive decay.
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EPR (nuclear reactor)
The EPR is a third generation pressurised water reactor (PWR) design.
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Eutectic system
A eutectic system from the Greek "ευ" (eu.
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Exothermic process
In thermodynamics, the term exothermic process (exo-: "outside") describes a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light (e.g. a spark, flame, or flash), electricity (e.g. a battery), or sound (e.g. explosion heard when burning hydrogen).
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Fiber optic sensor
A fiber optic sensor is a sensor that uses optical fiber either as the sensing element ("intrinsic sensors"), or as a means of relaying signals from a remote sensor to the electronics that process the signals ("extrinsic sensors").
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Fukushima Daiichi nuclear disaster
The was an energy accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima Prefecture, initiated primarily by the tsunami following the Tōhoku earthquake on 11 March 2011.
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Fukushima Daiichi Nuclear Power Plant
The is a disabled nuclear power plant located on a site in the towns of Ōkuma and Futaba in the Fukushima Prefecture, Japan.
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Glass
Glass is a non-crystalline amorphous solid that is often transparent and has widespread practical, technological, and decorative usage in, for example, window panes, tableware, and optoelectronics.
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Half-life
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
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Hot particle
A hot particle is a microscopic piece of radioactive material that can become lodged in living tissue and deliver a concentrated dose of radiation to a small area.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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Hydrogen embrittlement
Hydrogen embrittlement is the process by which hydride-forming metals such as titanium, vanadium, zirconium, tantalum, and niobium become brittle and fracture due to the introduction and subsequent diffusion of hydrogen into the metal.
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Hydrogen peroxide
Hydrogen peroxide is a chemical compound with the formula.
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Inclusion (mineral)
In mineralogy, an inclusion is any material that is trapped inside a mineral during its formation.
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Inconel
Inconel is a family of austenitic nickel-chromium-based superalloys.
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Indium
Indium is a chemical element with symbol In and atomic number 49.
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Indium(III) oxide
Indium(III) oxide (In2O3) is a chemical compound, an amphoteric oxide of indium.
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Iodine
Iodine is a chemical element with symbol I and atomic number 53.
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Iron(III) oxide
Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe2O3.
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Isotope
Isotopes are variants of a particular chemical element which differ in neutron number.
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Isotopes of ruthenium
Naturally occurring ruthenium (44Ru) is composed of seven stable isotopes.
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Lanthanum
Lanthanum is a chemical element with symbol La and atomic number 57.
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Lava
Lava is molten rock generated by geothermal energy and expelled through fractures in planetary crust or in an eruption, usually at temperatures from.
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Leaching (chemistry)
Leaching is the process of extracting substances from a solid by dissolving them in a liquid, either naturally or through an industrial process.
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Lead(II) oxide
Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula PbO.
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Magnesium oxide
Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).
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Methane
Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).
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Microstructure
Microstructure is the very small scale structure of a material, defined as the structure of a prepared surface of material as revealed by a microscope above 25× magnification.
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Molybdenum
Molybdenum is a chemical element with symbol Mo and atomic number 42.
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Neodymium(III) oxide
Neodymium(III) oxide or neodymium sesquioxide is the chemical compound composed of neodymium and oxygen with the formula Nd2O3.
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Niobium
Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41.
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Nuclear chain reaction
A nuclear chain reaction occurs when one single nuclear reaction causes an average of one or more subsequent nuclear reactions, thus leading to the possibility of a self-propagating series of these reactions.
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Nuclear fission product
Nuclear fission products are the atomic fragments left after a large atomic nucleus undergoes nuclear fission.
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Nuclear fuel
Nuclear fuel is a substance that is used in nuclear power stations to produce heat to power turbines.
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Nuclear reactor
A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a self-sustained nuclear chain reaction.
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Nuclear reactor core
A nuclear reactor core is the portion of a nuclear reactor containing the nuclear fuel components where the nuclear reactions take place and the heat is generated.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Palladium
Palladium is a chemical element with symbol Pd and atomic number 46.
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Passive autocatalytic recombiner
Passive autocatalytic recombiner (PAR) is a device that removes hydrogen from the containment of a nuclear power plant during an accident.
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Porosity
Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.
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Pressurized water reactor
Pressurized water reactors (PWRs) constitute the large majority of the world's nuclear power plants (notable exceptions being the United Kingdom, Japan, and Canada) and are one of three types of light water reactor (LWR), the other types being boiling water reactors (BWRs) and supercritical water reactors (SCWRs).
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Pumice
Pumice, called pumicite in its powdered or dust form, is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals.
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Radiation protection
Radiation protection, sometimes known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this".
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Radiolysis
Radiolysis is the dissociation of molecules by ionizing radiation.
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Reactor pressure vessel
A reactor pressure vessel (RPV) in a nuclear power plant is the pressure vessel containing the nuclear reactor coolant, core shroud, and the reactor core.
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Redox
Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.
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Residual stress
Residual stresses are stresses that remain in a solid material after the original cause of the stresses has been removed.
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Ruthenium
Ruthenium is a chemical element with symbol Ru and atomic number 44.
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Rutherfordine
Rutherfordine is a mineral containing almost pure uranyl carbonate (UO2CO3).
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Sand
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.
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Scram
A scram or SCRAM is an emergency shutdown of a nuclear reactor.
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Serpentinite
Serpentinite is a rock composed of one or more serpentine group minerals, the name originating from the similarity of the texture of the rock to that of the skin of a snake.
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Silicate
In chemistry, a silicate is any member of a family of anions consisting of silicon and oxygen, usually with the general formula, where 0 ≤ x Silicate anions are often large polymeric molecules with an extense variety of structures, including chains and rings (as in polymeric metasilicate), double chains (as in, and sheets (as in. In geology and astronomy, the term silicate is used to mean silicate minerals, ionic solids with silicate anions; as well as rock types that consist predominantly of such minerals. In that context, the term also includes the non-ionic compound silicon dioxide (silica, quartz), which would correspond to x.
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Silicon dioxide
Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.
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Slag
Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore.
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Sodium oxide
Sodium oxide is a chemical compound with the formula Na2O.
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Solid solution
A solid solution is a solid-state solution of one or more solutes in a solvent.
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Sputtering
Sputtering is a process whereby particles are ejected from a solid target material due to bombardment of the target by energetic particles, particularly gas ions in a laboratory.
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Stainless steel
In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.
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Stalactite
A stalactite (from the Greek stalasso, (σταλάσσω), "to drip", and meaning "that which drips") is a type of formation that hangs from the ceiling of caves, hot springs, or manmade structures such as bridges and mines.
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Stalagmite
A stalagmite (or; from the Greek σταλαγμίτης -, from σταλαγμίας -, "dropping, trickling") is a type of rock formation that rises from the floor of a cave due to the accumulation of material deposited on the floor from ceiling drippings.
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Steam
Steam is water in the gas phase, which is formed when water boils.
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Steam explosion
A steam explosion is an explosion caused by violent boiling or flashing of water into steam, occurring when water is either superheated, rapidly heated by fine hot debris produced within it, or heated by the interaction of molten metals (as in a fuel–coolant interaction, or FCI, of molten nuclear-reactor fuel rods with water in a nuclear reactor core following a core-meltdown).
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Strontium
Strontium is the chemical element with symbol Sr and atomic number 38.
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Studtite
Studtite, chemical formula ·2(H2O) or UO4·4(H2O), is a secondary uranium mineral containing peroxide formed by the alpha-radiolysis of water during formation.
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Technetium
Technetium is a chemical element with symbol Tc and atomic number 43.
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The Elephant's Foot
"The Elephant’s Foot" is an extremely radioactive mass of corium formed by the Chernobyl disaster in 1986.
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Thermal hydraulics
Thermal hydraulics (also called thermohydraulics) is the study of hydraulic flow in thermal fluids.
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Three Mile Island accident
The Three Mile Island accident occurred on March 28, 1979, in reactor number 2 of Three Mile Island Nuclear Generating Station (TMI-2) in Dauphin County, Pennsylvania, near Harrisburg.
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Tin
Tin is a chemical element with the symbol Sn (from stannum) and atomic number 50.
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Titanium dioxide
Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula.
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Triuranium octoxide
Triuranium octoxide (U3O8) is a compound of uranium.
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Uranium
Uranium is a chemical element with symbol U and atomic number 92.
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Uranium dioxide
Uranium dioxide or uranium(IV) oxide (2), also known as urania or uranous oxide, is an oxide of uranium, and is a black, radioactive, crystalline powder that naturally occurs in the mineral uraninite.
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Uranium oxide
Uranium oxide is an oxide of the element uranium.
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Uranyl carbonate
Uranyl carbonate, UO2(CO3), is a carbonate of uranium that forms the backbone of several uranyl mineral species such as andersonite, mckelveyite-(Y) and wyartite and most importantly rutherfordine.
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Weathering
Weathering is the breaking down of rocks, soil, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological organisms.
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Zirconium
Zirconium is a chemical element with symbol Zr and atomic number 40.
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Zirconium alloy
Zirconium alloys are solid solutions of zirconium or other metals, a common subgroup having the trade mark Zircaloy.
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Zirconium dioxide
Zirconium dioxide, sometimes known as zirconia (not to be confused with zircon), is a white crystalline oxide of zirconium.
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Zirconium(IV) silicate
Zirconium silicate, also zirconium orthosilicate, (Zr Si O4) is a chemical compound, a silicate of zirconium.
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2011 Tōhoku earthquake and tsunami
The was a magnitude 9.0–9.1 (Mw) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicentre approximately east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately.
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Redirects here:
Fuel containing material, LFCM, Lava-like Fuel Containing Material.
References
[1] https://en.wikipedia.org/wiki/Corium_(nuclear_reactor)
