Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR590839ApublicationCriticalpatent/FR590839A/fr
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
C21D1/06—Surface hardening
C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Physics & Mathematics
(AREA)
Thermal Sciences
(AREA)
Crystallography & Structural Chemistry
(AREA)
Mechanical Engineering
(AREA)
Materials Engineering
(AREA)
Metallurgy
(AREA)
Organic Chemistry
(AREA)
FR590839D1924-02-181924-02-18Procédé de durcissement des surfaces ou d'arêtes métalliques
ExpiredFR590839A
(fr)