Published October 20, 1992 | Version v1
Patent Metadata-only

Near net shape processing of zirconium or hafnium metals and alloys

Creators

Description

This patent describes a process for producing a metal shape. It comprises: plasma arc melting a metal selected from zirconium, hafnium and alloys thereof comprising at least about 90 w/o of these metals to form a liquid pool; pouring the metal form the pool into a mold to form a near net shape; and reducing the metal from its near net shape to a final size while maintaining the metal temperature below the alpha-beta transition temperature throughout the size reducing step

Availability note (English)

Patent and Trademark Office, Box 9, Washington, DC 20232 (United States).

Additional details

Publishing Information

Imprint Pagination
[10 p.].
IPC:
Int. Cl. C22F 1/00.
IPC
Int. Cl. C22F 1/00.
Patent number
US patent document 5,156,689/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
24037518
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
FABRICATION; HAFNIUM ALLOYS; PROCESS CONTROL; SHAPE; ZIRCONIUM ALLOYS
Descriptors DEC
ALLOYS; CONTROL