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Thermite Welding Gets High School Chemistry Class on Track
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Abstract
The thermite reaction is often discussed in introductory chemistry class, but the importance of this process for welding massive industrial components is often overlooked. This article documents the application of thermite chemistry to weld train tracks as demonstrated for a high school chemistry class in India. The accompanying text and photographs show the entire process--which employed 13 kg (60 mol) of thermite mixture--from erecting a mold to igniting the charge, filling the mold with liquid iron, and trimming the rough casting.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Domain):
DemonstrationsKeywords (Feature):
ReportKeywords (Subject):
Industrial ChemistryCiting Articles
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
Field Trips Put Chemistry in Context for Non-Science Majors
Keith E. PetermanJournal of Chemical Education2008 85 (5), 645Field Trips Put Chemistry in Context for Non-Science Majors
Keith E. PetermanJournal of Chemical Education2008 85 (5), 645Field trips can provide excellent real-world learning situations for students in non-science major chemistry courses. The field trips described in this article are accessible, most trips can be completed within a scheduled three-hour laboratory time ...
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History
- Received: August 03, 2009
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