FR72098E - Perfectionnements apportés aux procédés pour l'élaboration de matériaux contenant du chrome et aux matériaux obtenus par ces procédés
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Perfectionnements apportés aux procédés pour l'élaboration de matériaux contenant du chrome et aux matériaux obtenus par ces procédés
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Office National dEtudes et de Recherches Aerospatiales ONERA
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Office National dEtudes et de Recherches Aerospatiales ONERA
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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
C22B9/14—Refining in the solid state
B—PERFORMING OPERATIONS; TRANSPORTING
B22—CASTING; POWDER METALLURGY
B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
B22F1/14—Treatment of metallic powder
B22F1/145—Chemical treatment, e.g. passivation or decarburisation
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Engineering & Computer Science
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Chemical Kinetics & Catalysis
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General Chemical & Material Sciences
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Materials Engineering
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Metallurgy
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Organic Chemistry
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FR72098D1957-07-171957-07-17Perfectionnements apportés aux procédés pour l'élaboration de matériaux contenant du chrome et aux matériaux obtenus par ces procédés
ExpiredFR72098E
(fr)
Perfectionnements apportés aux procédés et dispositifs pour la fabrication de tubes à profil de passage déterminé en béton ou matériau analogue et tubes fabriqués par application de ces procédés et dispositifs perfectionnés
Perfectionnements apportés aux procédés pour l'élaboration d'éléments à paroi mince à saillies rigidificatrices et aux éléments obtenus par ces procédés