摘要:
A high temperature vacuum furnace is described which has been in almost continuous use during the past four years in the production from powders of sintered compacts of titanium and titanium alloys. The success which has attended its use has suggested that information regarding its design and operation might be of value to others working in the field of vacuum metallurgy. Although vacuum furnaces are technologically applicable to industry, economically they are applied only where other alternatives do not present themselves. This is mainly due to the present high cost of installation and operation. The main contributory factor to high cost, particularly with large furnaces, is degassing refractories. The problem is to reduce the amount of refractories which degas to a minimum. Two methods of doing this are discussed—one employs heat resistant alloy or metal within an insulated heated chamber—the other employs a refractory heater surrounded by an insulated radiation shield to protect the inner side of the insulated furnace wall. The furnace described herein was built to the latter design.
ISSN:1923-4287
DOI:10.1139/cjr50f-001
出版商:NRC Research Press
年代:1950
数据来源: NRC