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).
Test report on the mechanical properties of special aluminium alloys at different temperatures.
| Identifier | ExFiles\Box 76\3\ scan0010 | |
| Date | 25th June 1919 | |
| R.R. 300 (120 B) (SC. 576. 25.2.16) E.P. 1262. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 59141 To: Clerk Order No. Customer's No. Re: Special Aluminium Alloys 25 6 19/ Table with columns: Bar number, Temperature, Maximum Stress, Yield Point, Elongation, Reduction in area Row P1: #P1, 400°C, 2.60, -, 5.0, 4.9 P1, 320°C, 0.6, 5.2, 1.0, 0.9 P1, 270°C, 8.0, 6.0, 0.5, 0.5 P1, 220°C, 6.4, 5.2, 0.3, 0.3 P1, 20°C, 7.2, 6.0, 2.0, 2.3 Row H: H, 400°C, 2.6, -, 10.0, 9.0 H, 320°C, 6.4, 4, 6.5, 5.8 H, 270°C, 6.4, 4.8, 6.5, 5.0 H, 220°C, 9.4, 6.0, 6.0, 8.8 H, 20°C, 9.2, 7.2, 5.0, 4.7 Row M1: M1, 320°C, 3.2, 2.4, 1.0, 1.0 M1, 270°C, 3.2, 2.4, 0.5, 0.8 M1, 220°C, 4.0, 2.4, 0.5, 0.5 M1, 20°C, 9.2, 8.0, 2.0, 2.5 Row M2: M2, 320°C, 3.2, 2.4, 6.0, 5.0 M2, 270°C, 3.0, 2.0, 0.9, 0.5 M2, 220°C, 5.2, 2.8, 2.5, 3.0 M2, 20°C, 5.2, 3.2, 1.0, 1.0 Signed This Sheet must be filed on completion of the work. P.T.O. | ||