HOT TORSIONAL STUDY OF STRENGTH, DUCTILITY AND FRACTURE DURING HOT WORKING OF STAINLESS STEEL.

被引：0
|
作者：
Nair, Krishnadas
Sellars, C.M.
机构：
来源：
Journal of the Institution of Engineers (India): Mechanical Engineering Division | 1975年 / 55卷 / pt ME 3期
关键词：
IRON AND STEEL METALLOGRAPHY - Microscopic Examination - STEEL TESTING - Thermal Effects;
D O I：
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学科分类号：
摘要：
The usefulness of hot torsion tests to study strength, ductility and fracture during hot working is illustrated over temperatures ranging from 800 degree C to 1200 degree C amd strain rates ranging from 7. 56 multiplied by 10** minus **3/sec to 3. 93/sec using an austenitic steel. The determination of activation energy for hot working and representation of stress-strain rate data allowing extrapolation to higher temperatures and strain rates are illustrated. The mechanisms of crack nucleation and propagation during hot working are investigated metallographically and by using a scanning electron microscope.
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页码：135 / 139
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