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Tables of mechanical properties for Magnesium and Aluminium-Magnesium alloys after various heat treatments.


Identifier  ExFiles\Box 142\2\  scan0494
Date  15th March 1941 guessed
  
Table 240 - page 1441.
(Magnesium).

Property. | Hot-rolled | Annealed 350° C.
Tensile strength, tons per sq.in. | 15.7 | 14.3
Elongation per cent. on 2 in. | 12.5 | 7.0
Reduction in area per cent. | 19.0 | 9.0
Izod impact, ft.-lb. | 3.8 | 4.4
Brinell hardness. | 39 | 36

Table 243 - 1445

Mechanical Properties of Extruded and
Heat-Treated Aluminium-Magnesium Alloys
(Dumas & Rockaert)

| | Heat-treated 2 hrs. at 420°C. Quenched in water | Heat-treated 2 hrs. at 420°C. quenched and tempered. 12 hrs. at 200° C. |
| Aluminium per cent. | Ultimate stress tons per sq.in. | Elongation per cent. | Ultimate stress tons per sq.in. | Elongation per cent. |
| 2.5 | 13.8 | 15.4 | 16.2 | 14.3 |
| 4.5 | 18.1 | 13.4 | 17.2 | 12.5 |
| 7.7 | 19.9 | 11.0 | 21.3 | 7.7 |
| 9.0 | 22.5 | 10.4 | 25.7 | 1.8 |
| 12.5 | 23.8 | 9.0 | 27.6 | 1.4 |
  
  
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).


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