GB880445A - Improvements relating to the heat treatment of material - Google Patents

Improvements relating to the heat treatment of material

Info

Publication number
GB880445A
GB880445A GB132859A GB132859A GB880445A GB 880445 A GB880445 A GB 880445A GB 132859 A GB132859 A GB 132859A GB 132859 A GB132859 A GB 132859A GB 880445 A GB880445 A GB 880445A
Authority
GB
United Kingdom
Prior art keywords
heat treatment
improvements relating
concentration
aqueous solution
sodium
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
GB132859A
Inventor
Robert Trevor Allsop
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.)
GKN Group Services Ltd
Original Assignee
GKN Group Services Ltd
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 GKN Group Services Ltd filed Critical GKN Group Services Ltd
Priority to GB132859A priority Critical patent/GB880445A/en
Publication of GB880445A publication Critical patent/GB880445A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching

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)
  • Processing Of Solid Wastes (AREA)

Abstract

A quenching bath comprises an aqueous solution of sodium alginate. The concentration may be 0,1 to 0,5% and a calcium sequestering agent such as 0,5 g.p.l. of sodium metaphosphate may be included.
GB132859A 1959-01-14 1959-01-14 Improvements relating to the heat treatment of material Expired GB880445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB132859A GB880445A (en) 1959-01-14 1959-01-14 Improvements relating to the heat treatment of material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB132859A GB880445A (en) 1959-01-14 1959-01-14 Improvements relating to the heat treatment of material

Publications (1)

Publication Number Publication Date
GB880445A true GB880445A (en) 1961-10-25

Family

ID=9720091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB132859A Expired GB880445A (en) 1959-01-14 1959-01-14 Improvements relating to the heat treatment of material

Country Status (1)

Country Link
GB (1) GB880445A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231812A (en) * 1978-03-14 1980-11-04 Centre De Recherches Metallurgiques-Centrum Voor Research In De Metallurgie Surface treatment of metal strip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231812A (en) * 1978-03-14 1980-11-04 Centre De Recherches Metallurgiques-Centrum Voor Research In De Metallurgie Surface treatment of metal strip

Similar Documents

Publication Publication Date Title
GB992814A (en) Sterilization solutions
GB1023546A (en) Process and apparatus for the electrowinning of copper
GB991457A (en) Improvements in or relating to soil-tilling implements
GB880445A (en) Improvements relating to the heat treatment of material
GB903067A (en) Smoking tobacco product
GB972973A (en) Novel trifluoromethyl-benzophenones and the preparation thereof
BE586513A (en) Process for the preparation of 2,4-di- (N-ethylsulfamyl) -5-halo, anilines and their salts with alkali metals
GB967182A (en) Improvements in or relating to rake wheels
GB883765A (en) Improvements in or relating to alginic compounds
GB944991A (en) Improvements in or relating to tedders
GB887012A (en) Process for the preparation of 18ª--glycyrrhetinic acid
GB953203A (en) Improvements in or relating to tedders
GB944484A (en) Improvements in or relating to tedders
DE2961506D1 (en) N-cyclohexyl-n-methoxy-acetoacetamide, process for its preparation and its use to prepare o-methyl-n-cyclohexyl-2,5-dimethyl-furane-3-hydroxamic acid
GB946572A (en) Improvements in or relating to raking implement
GB999704A (en) Improvements in or relating to tedders
GB943405A (en) Improvements in or relating to the manufacture of soap powders
ES231829A1 (en) A procedure for the preparation of a nitrophurazone concentrate (Machine-translation by Google Translate, not legally binding)
GB887430A (en) A method for treating artificial sponges made from regenerated cellulose with a disinfectant, and sponges thus treated
GB897797A (en) Improvements in or relating to acylthio-steroids
ES276824A1 (en) Procedure for the rectification of floated salinos baths (Machine-translation by Google Translate, not legally binding)
GB977464A (en) Improvements in or relating to harrows
ES201316A1 (en) Procedure for the preparation of cumol hydroperoxide (Machine-translation by Google Translate, not legally binding)
ES250387A1 (en) A procedure for obtaining a disinfecting and protective product of fresh fruits especially agrios (Machine-translation by Google Translate, not legally binding)
GB865770A (en) Gastro-intestinal therapeutic composition containing urea and carbon dioxide