{"Page SDG":["SDG09 Industry innovation and infrastructure"],"Page URL":["https://www.appropedia.org/Laser_hardening_of_steel_gears"],"Page affiliations":["Category:Queens University, Kingston"],"Page coordinates":["44.230686111111, -76.481322222222"],"Page description":["Laser hardening made simple, with Appropedia outlining how controlled heat strengthens steel gears for longer use."],"Page image":["File:LaserHardening PhaseDiagram.jpg"],"Page is part of":["MECH370 Materials Processing"],"Page keywords":["steel","hardening","laser","materials processing","metal"],"Page language":["en"],"Page license":["CC-BY-SA-3.0"],"Page location":["Kingston, Canada"],"Page title":["Laser hardening of steel gears"],"Page views":[997],"Page year":["Tuesday, 01-Jan-08 00:00:00 UTC"],"Modification date":["Monday, 14-Sep-26 14:34:21 UTC"]}