AR202685A1 - Procedimiento para mantener en valores muy bajos la proporcion de cianuro en los banos de sal que contienen cianatos - Google Patents

Procedimiento para mantener en valores muy bajos la proporcion de cianuro en los banos de sal que contienen cianatos

Info

Publication number
AR202685A1
AR202685A1 AR258809A AR25880975A AR202685A1 AR 202685 A1 AR202685 A1 AR 202685A1 AR 258809 A AR258809 A AR 258809A AR 25880975 A AR25880975 A AR 25880975A AR 202685 A1 AR202685 A1 AR 202685A1
Authority
AR
Argentina
Prior art keywords
cyanide
proportion
salt
keep
procedure
Prior art date
Application number
AR258809A
Other languages
English (en)
Spanish (es)
Original Assignee
Stephanois De Rech Mecani Hydr
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
Priority claimed from FR7417195A external-priority patent/FR2271307A1/fr
Priority claimed from FR7511166A external-priority patent/FR2307051A2/fr
Application filed by Stephanois De Rech Mecani Hydr filed Critical Stephanois De Rech Mecani Hydr
Application granted granted Critical
Publication of AR202685A1 publication Critical patent/AR202685A1/es

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
    • C23C8/58—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 more than one element being applied in more than one step
    • 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
    • C23C8/42—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 only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—Nitriding of ferrous surfaces
    • 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
    • C23C8/52—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 more than one element being applied in one step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Treating Waste Gases (AREA)
AR258809A 1974-05-17 1975-05-16 Procedimiento para mantener en valores muy bajos la proporcion de cianuro en los banos de sal que contienen cianatos AR202685A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7417195A FR2271307A1 (en) 1974-05-17 1974-05-17 Stabilising fused cyanate heat treatment baths - by introducing sulphur and carbonyl cpds. to reduce cyanide formation
FR7511166A FR2307051A2 (fr) 1975-04-10 1975-04-10 Procede pour maintenir a des valeurs tres basses le taux de cyanure dans les bains de sels contenant des cyanates

Publications (1)

Publication Number Publication Date
AR202685A1 true AR202685A1 (es) 1975-06-30

Family

ID=26218338

Family Applications (1)

Application Number Title Priority Date Filing Date
AR258809A AR202685A1 (es) 1974-05-17 1975-05-16 Procedimiento para mantener en valores muy bajos la proporcion de cianuro en los banos de sal que contienen cianatos

Country Status (14)

Country Link
US (1) US4006043A (fr)
JP (1) JPS596911B2 (fr)
AR (1) AR202685A1 (fr)
BR (1) BR7503026A (fr)
CA (1) CA1049908A (fr)
CH (1) CH606476A5 (fr)
DD (1) DD118445A5 (fr)
DE (1) DE2521903C2 (fr)
ES (1) ES437450A1 (fr)
GB (1) GB1504917A (fr)
IT (1) IT1032913B (fr)
NL (1) NL178981C (fr)
SE (1) SE429448B (fr)
SU (1) SU793410A3 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL52591A (en) * 1977-07-25 1980-07-31 Israel Aircraft Ind Ltd Method of surface hardening stainless steel parts
DE3300488A1 (de) * 1983-01-08 1984-07-12 Degussa Ag, 6000 Frankfurt Regenerierungsmittel fuer kohlungssalzbaeder und verfahren zu deren herstellung
FR2688517B1 (fr) * 1992-03-10 1994-06-03 Stephanois Rech Procede de phosphatation de pieces en acier, pour ameliorer leurs resistances a la corrosion et a l'usure.
FR2693520B1 (fr) * 1992-07-10 1994-09-30 Stephanois Rech Mec Coussinet pour articulations ou paliers fortement chargés, avec une garniture frettée en feuillard roulé.
FR2708623B1 (fr) * 1993-08-06 1995-10-20 Stephanois Rech Mec Procédé de nitruration de pièces en métal ferreux, à résistance améliorée à la corrosion.
US5576066A (en) * 1993-08-10 1996-11-19 Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement Method of improving the wear and corrosion resistance of ferrous metal parts
FR2715943B1 (fr) * 1994-02-09 1996-05-15 Stephanois Rech Mec Composition de bains de sels à base de nitrates alcalins pour oxyder du métal ferreux et ainsi améliorer sa résistance à la corrosion.
FR2731232B1 (fr) * 1995-03-01 1997-05-16 Stephanois Rech Procede de traitement de surfaces ferreuses soumises a des sollicitations elevees de frottement
DE19832404C1 (de) * 1998-07-18 1999-10-21 Houghton Durferrit Gmbh Verfahren zur elektrolytischen Erzeugung von Cyanid in Nitrocarburierschmelzen
CN100386469C (zh) * 2003-11-14 2008-05-07 上海欧本表面处理技术有限公司 利用软氮化处理盐浴液对高速钢W6Mo5Cr4V2滑片或叶片的处理方法
CN100386468C (zh) * 2003-11-14 2008-05-07 上海欧本表面处理技术有限公司 一种利用软氮化盐浴处理液对不锈钢11Cr17滑片或叶片的处理方法
DE112008002699B4 (de) * 2007-10-09 2013-12-05 Gary Warren Zündkerzen-Sensorsonde mit einer gedruckten Leiterkarte, Zündkerzensensor mit der Zündkerzen-Sensorantenne und Verfahren zur Herstellung desselben
CN101906607A (zh) * 2009-06-04 2010-12-08 台州市百达制冷有限公司 9Cr18或9Cr18Mo不锈钢滑片(或叶片)的液体软氮化方法
CN102899604B (zh) * 2012-09-27 2015-07-29 南车戚墅堰机车车辆工艺研究所有限公司 金属表面盐浴氮碳共渗的方法
CN102994942A (zh) * 2012-12-16 2013-03-27 青岛森淼实业有限公司 压缩机滑片的氮化方法
CN103451595B (zh) * 2013-09-02 2015-09-23 中国科学院金属研究所 镁合金表面熔盐氧碳硫共渗耐腐蚀陶瓷涂层及制备和应用
KR101515840B1 (ko) * 2013-10-22 2015-05-04 디케이락 주식회사 부분 침탄질화 열처리된 스테인리스 페럴 및 그의 제조방법
CN111172491A (zh) * 2018-11-09 2020-05-19 宁波江丰电子材料股份有限公司 承载台表面的处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883543C (de) * 1947-02-19 1953-07-20 Applic Des Traitements De Surf Verfahren zur Erzeugung von Oberflaechenschichten grosser Abnutzungs-festigkeit auf Gegenstaenden aus Eisenlegierungen
US2562065A (en) * 1950-11-29 1951-07-24 American Cyanamid Co Carburizing salt bath
US2801154A (en) * 1953-12-31 1957-07-30 Ethyl Corp Preparation of metal cyanates
US2875095A (en) * 1956-10-06 1959-02-24 Gold Und Silber Scheldeanstalt Method of producing surface layers resistant to wear
US3022204A (en) * 1961-03-20 1962-02-20 Kolene Corp Process for nitriding metals
FR1406530A (fr) * 1964-05-28 1965-07-23 Hydromecanique Et Frottement S Procédé de traitement de surfaces métalliques et produits ainsi traités
DE1263447B (de) * 1964-06-15 1968-03-14 Gen Motors Corp Verfahren zur Herstellung eines cyanathaltigen Salzschmelzbades fuer die Einsatzhaertung von Stahl
US3303063A (en) * 1964-06-15 1967-02-07 Gen Motors Corp Liquid nitriding process using urea

Also Published As

Publication number Publication date
DE2521903C2 (de) 1982-05-27
NL178981C (nl) 1986-06-16
JPS50160142A (fr) 1975-12-25
SE7505532L (sv) 1975-11-18
US4006043A (en) 1977-02-01
CH606476A5 (fr) 1978-10-31
CA1049908A (fr) 1979-03-06
NL7505638A (nl) 1975-11-19
SU793410A3 (ru) 1980-12-30
ES437450A1 (es) 1976-12-01
DE2521903A1 (de) 1975-12-04
DD118445A5 (fr) 1976-03-05
BR7503026A (pt) 1976-04-13
IT1032913B (it) 1979-06-20
JPS596911B2 (ja) 1984-02-15
NL178981B (nl) 1986-01-16
GB1504917A (en) 1978-03-22
SE429448B (sv) 1983-09-05

Similar Documents

Publication Publication Date Title
AR202685A1 (es) Procedimiento para mantener en valores muy bajos la proporcion de cianuro en los banos de sal que contienen cianatos
DK115976A (da) Forbindelser med antidepressiv virkning
IT1060782B (it) Procedimento per inibire la corrosione
MX146108A (es) Composicion mejorada para fijar el pelo
BR7805950A (pt) Disposicao para concentrar as ondas do mar
MX143410A (es) Mejoras en abrazadera para regular la circulacion de liquido en tubos de plastico
IT1147022B (it) Soluzione acquosa di nitroglicerina
AR206725A1 (es) Compuestos de bis-naftoilhidracina utiles para estabilizar poliolefinas y composicion que los comprende
NO772811L (no) Vandig sprengstoffsammensetning
MX5334E (es) Procedimiento para reducir la concentracion de nitrosaminas en dinitroanilinas
MX7282E (es) Procedimiento para mejorar la permeabilidad de las rocas
AR199672A1 (es) Procedimiento para producir compuestos heterociclicos
AR195359A1 (es) Procedimiento para combinar compuestos aromaticos y olefinas
SE7611705L (sv) Koncentrering av vattenhaltig natriumhydroxid
SE432950B (sv) Stabila emulsioner av vatten i 1,1,2-triklor-1,2,2-trifloretan
AR213114A1 (es) Procedimiento para preparar derivados de indazolil-(4)-oxipropanolaminas
AR217416A1 (es) Procedimiento para beneficiar minerales no sulfurados y composicion para realizarlo
AR202256A1 (es) Arzon para silla de montar
AR221489A1 (es) Procedimiento para reducir la concentracion de nitrosaminas en una dinitroanilina
MX3940E (es) Dispositivo para enriquecer la concentracion de uranio
BR6915285D0 (pt) Processo para a preparacao de n-(-4-(beta-<2-metoxi-5-cloro-benzamido -etil)- benzenossulfonil)-n'-ciclopentil-urei
SE7714348L (sv) Sett att elektrolysera en vattenhaltig nac1-losning
NO145039C (no) Anvendelse av 3,5-difenylpyrazoliumsalter for bekjempelse av fytopatogene fungi
TR18163A (tr) Misir silajina mahsus boncuk biciminde uere esasi uezerine bir ilave maddenin imaline mahsus usul
AR201786A1 (es) Procedimiento para preparar 3-<1-hidroxi-2-(3 o 4 hidroxipiperidino)etil>-5-fenilisoxazol