Service Heat ... treating, but nobody knows it,” Armitage said. Most of the time, the company hardens tool and stainless steel to give it additional strength. Vacuum, batch or tempering furnaces ...

THE third edition of this well-known treatise has been greatly improved, and it is now almost indispensable to the steel metallurgist ... on electric furnaces for heat treatment is included ...

Early iron was produced in small shaft furnaces, forming as solid ... to harden These limitations make steel unsuitable for specific applications in its untreated form. By adding carbon and using heat ...

A new proof-of-concept device trapped solar radiation and used it to heat an object to a blistering 1,800 degrees Fahrenheit (1,000 degrees Celsius), raising hopes that steel furnaces could be ...

Heat treatment ... used during the treatment can cause sealants in the furnace to age at a faster rate than normal. In addition, over time, the vacuum process causes the metal vessel itself ...

Zachary Cordero, a team at MIT has developed a heat-treatment ... rod to temperatures ranging from 1,200 ºC to 1,245 ºC (2,192 ºF to 2,273 ºF), producing a steep thermal gradient within the ...

A new MIT-developed heat treatment transforms the microscopic ... through conventional casting processes in which molten metal is poured into complex molds and directionally solidified.