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- Refractory_metals abstract "Refractory metals are a class of metals that are extraordinarily resistant to heat and wear. The expression is mostly used in the context of materials science, metallurgy and engineering. The definition of which elements belong to this group differs. The most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum, tungsten, and rhenium). They all share some properties, including a melting point above 2000 °C and high hardness at room temperature. They are chemically inert and have a relatively high density. Their high melting points make powder metallurgy the method of choice for fabricating components from these metals. Some of their applications include tools to work metals at high temperatures, wire filaments, casting molds, and chemical reaction vessels in corrosive environments. Partly due to the high melting point, refractory metals are stable against creep deformation to very high temperatures.".
- Refractory_metals wikiPageID "573343".
- Refractory_metals wikiPageRevisionID "605199270".
- Refractory_metals hasPhotoCollection Refractory_metals.
- Refractory_metals subject Category:Chemical_element_groups.
- Refractory_metals subject Category:Metals.
- Refractory_metals subject Category:Refractory_materials.
- Refractory_metals subject Category:Refractory_metals.
- Refractory_metals type Abstraction100002137.
- Refractory_metals type ChemicalElement114622893.
- Refractory_metals type ChemicalElementGroups.
- Refractory_metals type Group100031264.
- Refractory_metals type Material114580897.
- Refractory_metals type Matter100020827.
- Refractory_metals type MetallicElement114625458.
- Refractory_metals type Metals.
- Refractory_metals type Part113809207.
- Refractory_metals type PhysicalEntity100001930.
- Refractory_metals type RefractoryMaterials.
- Refractory_metals type RefractoryMetals.
- Refractory_metals type Relation100031921.
- Refractory_metals type Substance100019613.
- Refractory_metals comment "Refractory metals are a class of metals that are extraordinarily resistant to heat and wear. The expression is mostly used in the context of materials science, metallurgy and engineering. The definition of which elements belong to this group differs. The most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum, tungsten, and rhenium).".
- Refractory_metals label "Métaux réfractaires".
- Refractory_metals label "Refractory metals".
- Refractory_metals label "Refraktärmetalle".
- Refractory_metals label "Тугоплавкие металлы".
- Refractory_metals label "難熔金屬".
- Refractory_metals sameAs Refraktärmetalle.
- Refractory_metals sameAs Πυρίμαχα_μέταλλα.
- Refractory_metals sameAs Métaux_réfractaires.
- Refractory_metals sameAs 난융_금속.
- Refractory_metals sameAs m.02rfz_.
- Refractory_metals sameAs Q428932.
- Refractory_metals sameAs Q428932.
- Refractory_metals sameAs Refractory_metals.
- Refractory_metals wasDerivedFrom Refractory_metals?oldid=605199270.
- Refractory_metals isPrimaryTopicOf Refractory_metals.