Effect of Ultrasonic Treatment on Solidification Quality of ESR Ingots

Abstract: A novel electroslag furnace with the ultrasonic treatment was fabricated in this study. The effect of ultrasonic treatment on the compact density and segregation degree of alloys were studied. Results show that the distribution of carbon, silicon, manganese, chromium and phosphorus become uniform with increase of the ultrasonic power when the ultrasonic power is between 0 and 700 W. But when the ultrasonic power increases to 1,000 W, segregation of alloy elements increases instead. The reasonable ultrasonic power is favorable for improvement of compact density of electroslag remelting (ESR) ingots. When the ultrasonic power increases to 700 W from 0, compact density of ESR ingots increases to 0.9618 from 0.9479 and decreases to 0.9517 when the ultrasonic power increases to 1,000 W. This occurrence is attributed to the cavitation and acoustic flows effect of the ultrasonic which break off the dendritic crystal in the mushy zone and increase crystal nucleus. At the same time, the heat transfer and mass transfer are accelerated which make the distribution of temperature and alloying element more homogeneous. But the excessive ultrasonic power is not conducive to the improvement of solidification structure.

Angaben zum Objekt

• Standort: Deutsche Nationalbibliothek Frankfurt am Main
• Umfang: Online-Ressource
• Sprache: Englisch

Verweise und Beziehungen

• Erschienen in: Effect of Ultrasonic Treatment on Solidification Quality of ESR Ingots ; volume:35 ; number:5 ; year:2016 ; pages:449-456 ; extent:8 ; High temperature materials and processes ; 35, Heft 5 (2016), 449-456 (gesamt 8)

Beteiligte, Orts- und Zeitangaben

• Urheber: Shi, Xiaofang ; Chang, Lizhong ; Wang, Jianjun

Weitere Informationen

• DOI: 10.1515/htmp-2015-0016
• URN: urn:nbn:de:101:1-2501280238512.736764706402
• Rechteinformation: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Letzte Aktualisierung: 15.08.2025, 07:25 MESZ