پاورپوینت جوشکاری ترمیت 17اسلاید به زبان انگلیسی THERMIT WELDING Thermit Welding is a Thermo Chemical Welding Processes that usually uses the exothermic reaction of a mixture of iron oxide and aluminum powder or other similar mixtures to weld or repair large forgings and castings, and join pipes and railroad rails. THERMIT WELDING HISTORY In 1837 Theodore Goldschmidt founded the Goldschmidt Company in Berlin to supply chemicals to the textile industry, and established a research and development facility investigating processes for refining metals and their oxides. In March 1895, Dr Hans Goldschmidt was granted German Patent #96317 for a "process to manufacture metals and alloys" based upon the reduction of heavy metal oxides by a more reactive metal such as aluminium DEFINITION Thermit welding comprises a group of welding processes where in coalescence is produced by heating with superheated liquid metal and slag resulting from chemical reaction between a met ...
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