Diseño y construcción de un prototipo de temple por inducción

Abstract

In the world, global warming has become one of the main problems due to greenhouse gases, many of these gases are generated by factories and metallurgical workshops that use traditional heat treatment methods such as flame hardening. An alternative that has been presented is induction hardening, which is a method that uses electricity as well as magnetism in industrial processes such as heat treatment of metals and surface treatment of alloy steels in an efficient way, thus minimizing production costs in metallurgical factories and considerably improving productivity and working conditions. The objective of this study is to evaluate if the induction hardening method will improve the surface hardening process in alloy steels optimally and safely, leaving aside obsolete practices such as flame heating. The device designed and fabricated will seek to perform induction surface hardening on medium and low carbon metal parts. To obtain data, a K-type thermocouple will be used to censor the temperature in real-time of the device, in addition to using metallographic and Rockwell hardness analysis methods to corroborate that the metal parts were successfully hardened. In the tests performed, the following results were obtained 3% increase in hardness in the use of AISI 1018 and AISI 1020 steel cylindrical specimens, In addition, better results were obtained using water and oil compared to air as methods of cooling the specimens and with a heating time that varied between 1 min, 1:30 min and 2 min in each test.