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- Chemically_strengthened_glass abstract "Chemically strengthened glass is a type of glass that has increased strength as a result of a post-production chemical process. When broken, it still shatters in long pointed splinters similar to float glass. For this reason, it is not considered a safety glass and must be laminated if a safety glass is required. However, chemically strengthened glass is typically six to eight times the strength of float glass.The glass is chemically strengthened by a surface finishing process. Glass is submersed in a bath containing a potassium salt (typically potassium nitrate) at 300°C. This causes sodium ions in the glass surface to be replaced by potassium ions from the bath solution.These potassium ions are larger than the sodium ions and therefore wedge into the gaps left by the smaller sodium ions when they migrate to the potassium nitrate solution. This replacement of ions causes the surface of the glass to be in a state of compression and the core in compensating tension. The surface compression of chemically strengthened glass may reach up to 690 MPa.There also exists a more advanced two-stage process for making chemically strengthened glass, in which the glass article is first immersed in a sodium nitrate bath at 450 °C, which enriches the surface with sodium ions. This leaves more sodium ions on the glass for the immersion in potassium nitrate to replace with potassium ions. In this way, the use of a sodium nitrate bath increases the potential for surface compression in the finished article.Chemical strengthening results in a strengthening similar to toughened glass. However, the process does not use extreme variations of temperature and therefore chemically strengthened glass has little or no bow or warp, optical distortion or strain pattern. This differs from toughened glass, in which slender pieces can be significantly bowed.Also unlike toughened glass, chemically strengthened glass may be cut after strengthening, but loses its added strength within the region of approximately 20 mm of the cut. Similarly, when the surface of chemically strengthened glass is deeply scratched, this area loses its additional strength.Chemically strengthened glass was used for the aircraft canopy of some fighter aircraft.".
- Chemically_strengthened_glass wikiPageID "11960452".
- Chemically_strengthened_glass wikiPageLength "2592".
- Chemically_strengthened_glass wikiPageOutDegree "19".
- Chemically_strengthened_glass wikiPageRevisionID "514142133".
- Chemically_strengthened_glass wikiPageWikiLink Aircraft_canopy.
- Chemically_strengthened_glass wikiPageWikiLink Architectural_glass.
- Chemically_strengthened_glass wikiPageWikiLink Category:Glass_coating_and_surface_modification.
- Chemically_strengthened_glass wikiPageWikiLink Category:Glass_types.
- Chemically_strengthened_glass wikiPageWikiLink Chemical_process.
- Chemically_strengthened_glass wikiPageWikiLink Fighter_aircraft.
- Chemically_strengthened_glass wikiPageWikiLink Float_glass.
- Chemically_strengthened_glass wikiPageWikiLink Glass.
- Chemically_strengthened_glass wikiPageWikiLink Ion.
- Chemically_strengthened_glass wikiPageWikiLink Pascal_(pressure).
- Chemically_strengthened_glass wikiPageWikiLink Pascal_(unit).
- Chemically_strengthened_glass wikiPageWikiLink Potassium.
- Chemically_strengthened_glass wikiPageWikiLink Potassium_nitrate.
- Chemically_strengthened_glass wikiPageWikiLink Salt_(chemistry).
- Chemically_strengthened_glass wikiPageWikiLink Sodium.
- Chemically_strengthened_glass wikiPageWikiLink Sodium_nitrate.
- Chemically_strengthened_glass wikiPageWikiLink Surface_finishing.
- Chemically_strengthened_glass wikiPageWikiLink Surface_science.
- Chemically_strengthened_glass wikiPageWikiLink Toughened_glass.
- Chemically_strengthened_glass wikiPageWikiLinkText "Chemically strengthened glass".
- Chemically_strengthened_glass wikiPageWikiLinkText "chemical toughening process".
- Chemically_strengthened_glass wikiPageWikiLinkText "chemically strengthened glass".
- Chemically_strengthened_glass hasPhotoCollection Chemically_strengthened_glass.
- Chemically_strengthened_glass wikiPageUsesTemplate Template:Glass-engineering-stub.
- Chemically_strengthened_glass wikiPageUsesTemplate Template:Glass_science.
- Chemically_strengthened_glass wikiPageUsesTemplate Template:Unreferenced.
- Chemically_strengthened_glass subject Category:Glass_coating_and_surface_modification.
- Chemically_strengthened_glass subject Category:Glass_types.
- Chemically_strengthened_glass hypernym Glass.
- Chemically_strengthened_glass type Article.
- Chemically_strengthened_glass type Person.
- Chemically_strengthened_glass type Type.
- Chemically_strengthened_glass type Application.
- Chemically_strengthened_glass type Article.
- Chemically_strengthened_glass type Coating.
- Chemically_strengthened_glass type Type.
- Chemically_strengthened_glass comment "Chemically strengthened glass is a type of glass that has increased strength as a result of a post-production chemical process. When broken, it still shatters in long pointed splinters similar to float glass. For this reason, it is not considered a safety glass and must be laminated if a safety glass is required. However, chemically strengthened glass is typically six to eight times the strength of float glass.The glass is chemically strengthened by a surface finishing process.".
- Chemically_strengthened_glass label "Chemically strengthened glass".
- Chemically_strengthened_glass sameAs m.02rzqcl.
- Chemically_strengthened_glass sameAs Q5090517.
- Chemically_strengthened_glass sameAs Q5090517.
- Chemically_strengthened_glass wasDerivedFrom Chemically_strengthened_glass?oldid=514142133.
- Chemically_strengthened_glass isPrimaryTopicOf Chemically_strengthened_glass.