[go: up one dir, main page]

FR872853A - Procédé de fabrication d'alliages durs - Google Patents

Procédé de fabrication d'alliages durs

Info

Publication number
FR872853A
FR872853A FR872853DA FR872853A FR 872853 A FR872853 A FR 872853A FR 872853D A FR872853D A FR 872853DA FR 872853 A FR872853 A FR 872853A
Authority
FR
France
Prior art keywords
manufacturing process
hard alloys
alloys
hard
manufacturing
Prior art date
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.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COMM ACIERS SOC IND
Original Assignee
COMM ACIERS SOC IND
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 filed by COMM ACIERS SOC IND filed Critical COMM ACIERS SOC IND
Application granted granted Critical
Publication of FR872853A publication Critical patent/FR872853A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
    • C22C1/055—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Ceramic Products (AREA)
FR872853D 1940-06-11 1941-06-04 Procédé de fabrication d'alliages durs Expired FR872853A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK157834D DE733318C (de) 1940-06-11 1940-06-11 Verfahren zur Herstellung von Hartmetallegierungen

Publications (1)

Publication Number Publication Date
FR872853A true FR872853A (fr) 1942-06-22

Family

ID=7253773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872853D Expired FR872853A (fr) 1940-06-11 1941-06-04 Procédé de fabrication d'alliages durs

Country Status (4)

Country Link
US (1) US2289104A (fr)
CH (1) CH226054A (fr)
DE (1) DE733318C (fr)
FR (1) FR872853A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568251A (en) * 1941-08-04 1951-09-18 Lorraine Carbone Process for refining refractory carbides
US2509838A (en) * 1941-08-04 1950-05-30 Lorraine Carbone Manufacture of tungsten and molybdenum carbides and sintered alloys
JPS5129520B2 (fr) * 1971-09-09 1976-08-26

Also Published As

Publication number Publication date
DE733318C (de) 1943-03-24
CH226054A (de) 1943-03-15
US2289104A (en) 1942-07-07

Similar Documents

Publication Publication Date Title
CH262653A (fr) Procédé de fabrication d'électrodes.
FR869915A (fr) éponge métallique et procédé pour sa fabrication
FR934775A (fr) Procédé pour la fabrication des peracides
FR872853A (fr) Procédé de fabrication d'alliages durs
FR872041A (fr) Procédé de fabrication d'alliages durs
FR866951A (fr) Procédé de fabrication d'alliages frittés
FR869009A (fr) Procédé de fabrication de profilés métalliques
FR874342A (fr) Procédé pour la fabrication d'alliages durs pour outils et instruments de travail
FR871432A (fr) Procédé de fabrication des persulfates de sodium
FR876552A (fr) Procédé de fabrication d'isosucramines
FR848644A (fr) Procédé de fabrication d'alliages durs
FR989226A (fr) Procédé de fabrication d'agents opacifiants
FR887993A (fr) Procédé de fabrication d'un collecteur
FR851265A (fr) Procédé de fabrication d'accumulateurs électriques
FR953079A (fr) Procédé de fabrication d'électrodes
FR881908A (fr) Procédé de fabrication d'ébonite
FR863157A (fr) Procédé de fabrication d'alliages pulvérulents
FR864661A (fr) Procédé de fabrication de magnésium métallique
FR866922A (fr) Procédé de fabrication de l'adiponitrile
FR885951A (fr) Procédé de fabrication d'alliages métalliques
FR866890A (fr) Procédé de fabrication de carbure métallique
FR869729A (fr) Procédé de fabrication d'hydrate de terpine
FR873544A (fr) Procédé de fabrication d'électrodes-grilles
FR875382A (fr) Procédé pour la production d'hexachlorobutadiène
FR863481A (fr) Procédé pour la fabrication de dérivés de la para-amino-benzène-sulfamide