METHOD OF PREPARING HIGH-QUALITY MONOCRYSTALLINE BLANKS
FIELD: metallurgy. SUBSTANCE: invention basically relates to technology of preparing cast monocrystalline blanks from alloys containing Fe-Co-Al- Cu-Ti and consists in that monocrystalline inoculum is of alloy containing all components of desired polycrystalline blank composition except titanium, co...
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| creator | BELYSHEV A.S RASTEGAEV V.S ALEKSEEV N.A SIDOROV E.V |
| description | FIELD: metallurgy. SUBSTANCE: invention basically relates to technology of preparing cast monocrystalline blanks from alloys containing Fe-Co-Al- Cu-Ti and consists in that monocrystalline inoculum is of alloy containing all components of desired polycrystalline blank composition except titanium, content of which in initial polycrystalline blank is augmented relative to required composition by a value determined from formula: where Calloy is required content of titanium in monocrystalline blank; H height of initial polycrystalline blank, cm; and h is height of solder zone on inoculum, cm. Content of one or several components in inoculum is augmented by the value of titanium content in alloy, while contents of these components in blank are correspondingly lowered. Augmentation of titanium content in initial polycrystalline blank is necessary to compensate it in inoculum containing no titanium. Because of lack of titanium in inoculum, contents of other alloy components should be augmented. EFFECT: optimized technology. 1 tbl |
| format | Patent |
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SUBSTANCE: invention basically relates to technology of preparing cast monocrystalline blanks from alloys containing Fe-Co-Al- Cu-Ti and consists in that monocrystalline inoculum is of alloy containing all components of desired polycrystalline blank composition except titanium, content of which in initial polycrystalline blank is augmented relative to required composition by a value determined from formula: where Calloy is required content of titanium in monocrystalline blank; H height of initial polycrystalline blank, cm; and h is height of solder zone on inoculum, cm. Content of one or several components in inoculum is augmented by the value of titanium content in alloy, while contents of these components in blank are correspondingly lowered. Augmentation of titanium content in initial polycrystalline blank is necessary to compensate it in inoculum containing no titanium. Because of lack of titanium in inoculum, contents of other alloy components should be augmented. 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SUBSTANCE: invention basically relates to technology of preparing cast monocrystalline blanks from alloys containing Fe-Co-Al- Cu-Ti and consists in that monocrystalline inoculum is of alloy containing all components of desired polycrystalline blank composition except titanium, content of which in initial polycrystalline blank is augmented relative to required composition by a value determined from formula: where Calloy is required content of titanium in monocrystalline blank; H height of initial polycrystalline blank, cm; and h is height of solder zone on inoculum, cm. Content of one or several components in inoculum is augmented by the value of titanium content in alloy, while contents of these components in blank are correspondingly lowered. Augmentation of titanium content in initial polycrystalline blank is necessary to compensate it in inoculum containing no titanium. Because of lack of titanium in inoculum, contents of other alloy components should be augmented. 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SUBSTANCE: invention basically relates to technology of preparing cast monocrystalline blanks from alloys containing Fe-Co-Al- Cu-Ti and consists in that monocrystalline inoculum is of alloy containing all components of desired polycrystalline blank composition except titanium, content of which in initial polycrystalline blank is augmented relative to required composition by a value determined from formula: where Calloy is required content of titanium in monocrystalline blank; H height of initial polycrystalline blank, cm; and h is height of solder zone on inoculum, cm. Content of one or several components in inoculum is augmented by the value of titanium content in alloy, while contents of these components in blank are correspondingly lowered. Augmentation of titanium content in initial polycrystalline blank is necessary to compensate it in inoculum containing no titanium. Because of lack of titanium in inoculum, contents of other alloy components should be augmented. EFFECT: optimized technology. 1 tbl</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; rus |
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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
| title | METHOD OF PREPARING HIGH-QUALITY MONOCRYSTALLINE BLANKS |
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