GB355920A - Process for increasing the resistance to corrosion of objects made from alloys of magnesium with manganese - Google Patents

Process for increasing the resistance to corrosion of objects made from alloys of magnesium with manganese

Info

Publication number
GB355920A
GB355920A GB23428/30A GB2342830A GB355920A GB 355920 A GB355920 A GB 355920A GB 23428/30 A GB23428/30 A GB 23428/30A GB 2342830 A GB2342830 A GB 2342830A GB 355920 A GB355920 A GB 355920A
Authority
GB
United Kingdom
Prior art keywords
manganese
heat treatment
per cent
magnesium
corrosion
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
GB23428/30A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB355920A publication Critical patent/GB355920A/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
    • C22C—ALLOYS
    • C22C23/00—Alloys based on magnesium

Abstract

The resistance to corrosion of objects made from binary magnesium manganese alloys containing from about 0,5 to 2,5 per cent of manganese is increased by subjecting the objects to a heat treatment at above a minimum temperature which rises from about 400 DEG C. for an alloy with 0,5 per cent manganese to about 480 DEG C. for an alloy with 2,5 per cent manganese. The heat treatment may be combined with the hot working of the objects by working at a temperature above the minimum heat treatment temperature but if the working is carried out at a temperature below the minimum a subsequent separate heat treatment is necessary. The heat treatment may be followed by quenching. A cast block of magnesium manganese alloy, manganese content 1,4 per cent, was rolled at 350 DEG C. into sheets and the sheets then annealed for 48 hours at about 500 DEG C. and allowed to cool in air.
GB23428/30A 1929-08-23 1930-08-05 Process for increasing the resistance to corrosion of objects made from alloys of magnesium with manganese Expired GB355920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE355920X 1929-08-23

Publications (1)

Publication Number Publication Date
GB355920A true GB355920A (en) 1931-09-03

Family

ID=6290141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23428/30A Expired GB355920A (en) 1929-08-23 1930-08-05 Process for increasing the resistance to corrosion of objects made from alloys of magnesium with manganese

Country Status (2)

Country Link
ES (1) ES119035A1 (en)
GB (1) GB355920A (en)

Also Published As

Publication number Publication date
ES119035A1 (en) 1930-08-16

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