ES8702499A1 - Un procedimiento para preparar una carga de aporte destinada a compensar las perdidas de un bano de sales fundidas para el tratamiento de piezas metalicas - Google Patents

Un procedimiento para preparar una carga de aporte destinada a compensar las perdidas de un bano de sales fundidas para el tratamiento de piezas metalicas

Info

Publication number
ES8702499A1
ES8702499A1 ES538372A ES538372A ES8702499A1 ES 8702499 A1 ES8702499 A1 ES 8702499A1 ES 538372 A ES538372 A ES 538372A ES 538372 A ES538372 A ES 538372A ES 8702499 A1 ES8702499 A1 ES 8702499A1
Authority
ES
Spain
Prior art keywords
bath
treatment
molten
additive
maintaining
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
ES538372A
Other languages
English (en)
Other versions
ES538372A0 (es
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.)
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Original Assignee
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
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 Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA filed Critical Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Publication of ES8702499A1 publication Critical patent/ES8702499A1/es
Publication of ES538372A0 publication Critical patent/ES538372A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Seasonings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Glanulating (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE UNA CARGA DE APORTE DESTINADA A COMPENSAR LAS PERDIDAS EN UN BAÑO DE SALES FUNDIDAS PARA EL TRATAMIENTO DE PIEZAS METALICAS. CONSISTE EN EFECTUAR UNA MEZCLA DE AL MENOS DOS MATERIAS EN PARTICULAS, LA PRIMERA DE LAS CUALES ESTA CONSTITUIDA POR UN PRODUCTO DENOMINADO REAPROVISIONADOR DE LA MISMA COMPOSICION QUIMICA QUE EL PRODUCTO DENOMINADO DE DEGRADACION, Y UNA SEGUNDA MATERIA CONSTOITUIDA POR EL PRODUCTO DENOMINADO REGENERADOR, ESTE ULTIMO EN EXCESO SOBRE EL PRODUCTO REAPROVISIONADOR, DE MODO QUE REACCIONE EN EL BAÑO, EN PARTE, CON EL PRODUCTO DE DEGRADACION Y, EN PARTE, CON EL PRODUCTO REAPROVISIONADOR. LA MEZCLA FORMADA SE COMPACTA EN FORMA DE COMPRIMIDOS A UNA PRESION DE COMPACTACION SUPERIOR A 2 KILOBARES.
ES538372A 1983-12-09 1984-12-07 Un procedimiento para preparar una carga de aporte destinada a compensar las perdidas de un bano de sales fundidas para el tratamiento de piezas metalicas Expired ES8702499A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8319781A FR2556367B1 (fr) 1983-12-09 1983-12-09 Charge d'apport destinee a assurer la maintenance de bains de sels fondus pour le traitement de pieces metalliques

Publications (2)

Publication Number Publication Date
ES8702499A1 true ES8702499A1 (es) 1987-01-01
ES538372A0 ES538372A0 (es) 1987-01-01

Family

ID=9295052

Family Applications (1)

Application Number Title Priority Date Filing Date
ES538372A Expired ES8702499A1 (es) 1983-12-09 1984-12-07 Un procedimiento para preparar una carga de aporte destinada a compensar las perdidas de un bano de sales fundidas para el tratamiento de piezas metalicas

Country Status (7)

Country Link
EP (1) EP0145576B1 (es)
JP (1) JPS60141864A (es)
BR (1) BR8406275A (es)
DE (1) DE3465207D1 (es)
ES (1) ES8702499A1 (es)
FR (1) FR2556367B1 (es)
IN (1) IN161219B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030279C1 (en) * 1990-09-25 1992-06-04 Goetz Dipl.-Chem. Dr. 5400 Koblenz De Baum Regenerating molten alkali metal cyanate - by continuous addn. of urea] or polymer or condensate that generates urea, feeding additive into containers in continuous conveyor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012625B (de) * 1955-06-10 1957-07-25 Houghton Chemie G M B H Verfahren zur Erzielung zeitweiliger Aufkohlungswirkung bei der Waermebehandlung vonStahl in cyanidfreien Salzschmelzen
FR2214760A2 (en) * 1973-01-23 1974-08-19 Ctre Rech Meca Hydromeca Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions
AR204533A1 (es) * 1973-06-20 1976-02-12 Stephanois Rech Mec Procedimiento de regeneracion de un bano de sales fundidas que contiene cianatos y carbonatos
FR2271307A1 (en) * 1974-05-17 1975-12-12 Stephanois Rech Meca Hyd Centr Stabilising fused cyanate heat treatment baths - by introducing sulphur and carbonyl cpds. to reduce cyanide formation
DE2521550A1 (de) * 1975-05-15 1976-12-02 Daimler Benz Ag Mittel zum regenerieren von nitrierbaedern
DE2542519A1 (de) * 1975-09-24 1977-04-14 Daimler Benz Ag Regenerierungsmittel fuer salzschmelzen auf cyanatbasis
JPS5931861A (ja) * 1982-08-16 1984-02-21 Mitsui Toatsu Chem Inc 金属材料の窒化用塩浴の再生剤

Also Published As

Publication number Publication date
DE3465207D1 (en) 1987-09-10
FR2556367B1 (fr) 1986-09-19
EP0145576B1 (fr) 1987-08-05
FR2556367A1 (fr) 1985-06-14
EP0145576A3 (en) 1985-07-10
BR8406275A (pt) 1985-10-01
JPS6354067B2 (es) 1988-10-26
IN161219B (es) 1987-10-17
EP0145576A2 (fr) 1985-06-19
ES538372A0 (es) 1987-01-01
JPS60141864A (ja) 1985-07-26

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20061021