GB1444104A - Method for manufacturing zirconium tubing - Google Patents
Method for manufacturing zirconium tubingInfo
- Publication number
- GB1444104A GB1444104A GB5735173A GB5735173A GB1444104A GB 1444104 A GB1444104 A GB 1444104A GB 5735173 A GB5735173 A GB 5735173A GB 5735173 A GB5735173 A GB 5735173A GB 1444104 A GB1444104 A GB 1444104A
- Authority
- GB
- United Kingdom
- Prior art keywords
- zirconium
- temperature
- extrusion
- billet
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/007—Hydrostatic extrusion
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/186—High-melting or refractory metals or alloys based thereon of zirconium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Extrusion Of Metal (AREA)
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Abstract
1444104 Extruding; working at specified temperatures ALLMANNA SVENSKA ELEKTRISKA AB 11 Dec 1973 [18 Dec 1972] 57351/73 Headings B3P and B3V A tube of zirconium or zirconium alloy is made by hydrostatic extrusion of a heated tubular billet 10 with an extrusion ratio exceeding 50 : 1 and the heating is such that the temperature of the tube is between 750‹ and 1100‹ C. when it leaves the extrusion die. The billet may be sheathed in copper 11. A suitable billet temperature is at least 250‹ C., preferably 500‹ to 550‹ C. The extrusion ratio may be as high as 125 : 1. By keeping the temperature of the zirconium or zirconium alloy below a critical range of 1100-1150‹ C. the orientation of the hydride platelets is unaffected. The extruded tube may be cooled as it leaves the die to prevent the formation of zirconium-copper alloys.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1652172 | 1972-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1444104A true GB1444104A (en) | 1976-07-28 |
Family
ID=20302376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5735173A Expired GB1444104A (en) | 1972-12-18 | 1973-12-11 | Method for manufacturing zirconium tubing |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4990265A (en) |
DE (1) | DE2361759A1 (en) |
GB (1) | GB1444104A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6167517A (en) * | 1984-09-11 | 1986-04-07 | Hitachi Ltd | Production of zirconium base alloy blank tube for nuclear fuel coating tube |
US5156689A (en) * | 1991-05-20 | 1992-10-20 | Westinghouse Electric Corporation | Near net shape processing of zirconium or hafnium metals and alloys |
-
1973
- 1973-12-11 GB GB5735173A patent/GB1444104A/en not_active Expired
- 1973-12-12 DE DE19732361759 patent/DE2361759A1/en active Pending
- 1973-12-14 JP JP14026173A patent/JPS4990265A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2361759A1 (en) | 1974-06-20 |
JPS4990265A (en) | 1974-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |