| Autor: |
Kishkin, S. T., Stroganov, G. B., Logunov, A. V., Lukovkin, A. I., Gubanova, N. M., Elkina, N. I. |
| Zdroj: |
Strength of Materials; July 1984, Vol. 16 Issue: 7 p976-980, 5p |
| Abstrakt: |
Conclusions 1.A recrystallized layer of varying depth is formed in the surface work-hardened layer of parts of ZhS6U alloy after heat treatment of it at 1210°C for 4 h.2.The depth of the recrystallized layer does not depend upon the length of sand blasting with electrocorundum, but the size of the sand fraction does influence it; the finer the fraction, the shallower the depth of the recrystallized layer.3.The mechanical properties of samples with and without the recrystallized layer in short-term tension at 20°C are practically the same.4.The time until failure of the alloy with the recrystallized layer in stress-rupture strength testing may drop by 25–45% (on 2.5-mm-diam. samples).5.The presence of the fine-grained recrystallized layer on the surface of the alloy causes an increase in its tensile strength at room and probably at medium (700–800°C) temperatures. |
| Databáze: |
Supplemental Index |
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