Efco-Edwards Vacuum Metallurgy: Difference between revisions
From Graces Guide
No edit summary |
mNo edit summary |
||
| Line 1: | Line 1: | ||
1956 Joint venture company formed by [[Edwards High Vacuum]] and [[Efco]] to offer complete metallurgical installations<ref>The Times, Jun 07, 1956</ref> | 1956 Joint venture company formed by [[Edwards High Vacuum]] and [[Efco]] to offer complete metallurgical installations<ref>The Times, Jun 07, 1956</ref> | ||
1957 Developing a process to offer metals and alloys at a stage between true vacuum melting and simple degassing; useful for high quality castings of high alloys where it was impracticable to contain the | 1957 Developing a process to offer metals and alloys at a stage between true vacuum melting and simple degassing; useful for high quality castings of high alloys where it was impracticable to contain the mould in a vacuum<ref>The Times, Oct 23, 1957</ref> | ||
Latest revision as of 10:38, 20 June 2021
1956 Joint venture company formed by Edwards High Vacuum and Efco to offer complete metallurgical installations[1]
1957 Developing a process to offer metals and alloys at a stage between true vacuum melting and simple degassing; useful for high quality castings of high alloys where it was impracticable to contain the mould in a vacuum[2]
See Also
Loading...