On the problem of hydrogen removal during heat treatment of large forgings

The solutions to a differential equation for the problem of heating of a cylinder in a medium with a fixed temperature are used to obtain equations for estimating the change in the hydrogen concentration in forgings from data on the hydrogen concentration at the cylinder axis or on the average bulk...

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Published inRussian metallurgy Metally Vol. 2006; no. 1; pp. 38 - 41
Main Authors Mirzaev, D. A., Vorob’ev, N. I., Tokovi, O. K., Shaburov, D. V., Fominykh, E. A.
Format Journal Article
LanguageEnglish
Published Moscow Springer Nature B.V 01.01.2006
Subjects
Alloys
Annealing
Cross sections
Cylinders
Differential equations
Estimating
Forgings
Heat treatment
Mathematical analysis
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Summary:The solutions to a differential equation for the problem of heating of a cylinder in a medium with a fixed temperature are used to obtain equations for estimating the change in the hydrogen concentration in forgings from data on the hydrogen concentration at the cylinder axis or on the average bulk hydrogen concentration. Similar equations are also obtained for forgings having square cross sections. The calculation demonstrates that, for the case of a twofold decrease in the hydrogen concentration in a forging, the calculated times of annealing of a cylindrical forging differ by three times.[PUBLICATION ABSTRACT]
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029506010071