CASTING AND MECHANICAL PROPERTIES OF HEAT-RESISTANT STEELS
Abstract
Influence of chrome and aluminums on casting and mechanical properties of chromic heat-resistant steels for making poured details, working in aggressive environments to 1250 °С is studied. It is determined that under optimum relationship of basic components steels have satisfactory casting and mechanical characteristics, allowing to make foundings of different mass, geometry and overall sizes. It becomes obvious that better oxidation resistance at different temperatures can be reached by various contents of chromium and aluminum. Experimental findings have proved that adding aluminum to chromium steel improves the oxidation resistance of steels investigated. To get steels with more than 25% chromium with addition of 2–3% aluminum are aims for further investigation.
About the Authors
M. M. Yamshinskiy
National Technical University of Ukraine «Kyiv Polytechnic Institute»
Ukraine
Ukraine
Yamshinskiy Mikhail, Ph.D in Engineering.
Contact: Prospect Peremohy, 37, 03056 Kiev, Ukraine, yamshinskiy@ukr.net, tel. + 380505460683.
G. E. Fedorov
National Technical University of Ukraine «Kyiv Polytechnic Institute»
Ukraine
Ukraine
Fedorov Grigory, Ph.D in Engineering.
Contact: Prospect Peremohy, 37, 03056 Kiev, Ukraine, fedorovge@ukr.net, tel. + 380679935601.
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Review
For citations:
Yamshinskiy M.M., Fedorov G.E. CASTING AND MECHANICAL PROPERTIES OF HEAT-RESISTANT STEELS. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2015;(2):17-23. (In Russ.)
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