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).
Material properties sheet for No. 132 'LO-EX' Aluminium Alloy, detailing expansion coefficient and Brinell hardness.
| Identifier | ExFiles\Box 142\4\ scan0154 | |
| Date | 17th January 1936 guessed | |
| NORTHERN ALUMINIUM COMPANY, LTD. CONTINUATION SHEET No. NO. 132 'LO-EX' ALUMINIUM ALLOY Co-efficient of expansion - 20.0 18.9 x 10-6 per degree C. Brinell Hardness figures 500 kg. 10 m/m.{Mr Moon / Mr Moore} at 15°C. - 120/130 " 150°C. - 110/120 " 200°C. - 105/115 " 250°C. - 95 " 300°C. - (75) Tensile strength figures plotted on graph are taken on chill cast 1" bars machined to size. | ||