Method for production of spinel single crystal filaments

US5650007A · kind A · utility

Assignee

• Agency of Industrial Science & Technology, Ministry of International Trade & Industry · JP

Inventors

• Shoji Kawakami · Nagoya, JP
• Hideyo Tabata · Ebeye, US
• Toyoaki Yamada · Tustin, US
• Shunsaku Sakakibara · Nagoya, JP

Key dates

• Filing date: Mar 11, 1996
• Grant date: Jul 22, 1997
• Expiry date: Mar 11, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C30B29/26
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Spinel single crystal filaments are produced by a method which consists essentially of solidifying in one direction a melt consisting essentially of 30 to 70% by weight of magnesium oxide, 10 to 45% by weight of aluminum oxide, and 15 to 45% by weight of silicon dioxide, thereby forming a composite texture containing a matrix of forsterite and filaments of spinel dispersed in the matrix, and then separating the filaments of spinel from the composite texture.