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
GB23407/31A
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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Filing date
Publication date
Application filed by Allgemeine Elektricitaets Gesellschaft, AEG AGfiledCriticalAllgemeine Elektricitaets Gesellschaft
Publication of GB383328ApublicationCriticalpatent/GB383328A/en
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
C21D1/78—Combined heat-treatments not provided for above
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Chemical & Material Sciences
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Engineering & Computer Science
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Physics & Mathematics
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Thermal Sciences
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Crystallography & Structural Chemistry
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Mechanical Engineering
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Materials Engineering
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Metallurgy
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Organic Chemistry
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Soft Magnetic Materials
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Abstract
The core material claimed in the parent Specification comprises a nickel-iron alloy of equal parts which is cold-stretched after the final heating so as to reduce its cross section by not more than 50 per cent, preferably by 25 per cent.
GB23407/31A1930-08-191931-08-19Improvements in electromagnetic devices for use in weak magnetic fields
ExpiredGB383328A
(en)