Method of axial porosity elimination and refinement of the crystalline structure of continuous ingots and castings

US7661456B2 · kind B2 · utility

Assignee

• Energetics Technologies, LLC · US

Inventors

• Irving I. Dardik · Califon, US
• Ephim G. Golbraikh · Beer Sheva, IL
• Shaul Lesin · Meitar, IL
• Arkady K. Kapusta · Beer Sheva, IL
• Boris M. Mikhailovich · Beer Sheva, IL
• Michael Khavkin · Beer Sheva, IL
• Herman Branover · Omer, IL

Key dates

• Filing date: Jan 25, 2007
• Grant date: Feb 16, 2010
• Expiry date: Apr 22, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22D27/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Apparatus and methods are provided for eliminating axial porosity accompanied by impurity segregation arising at bulk crystallization of the axial zone of the liquid core of a continuous ingot.