energy for the specimens tested must be obtained at the specified test temperature, fracture energy being dependent on temperature as will be illustrated in Chapter 8.
ALUMINIUM ALLOY TESTS Aluminium alloy plate and section mate- rial is subject to specified tensile tests. Bar material for aluminium alloy rivets is subject to a tensile test and also a dump test. The latter test requires com- pression of the bar until its diameter is increased to 1.6 times the original diameter without cracking occurring. Selected manufactured rivets are also subjected to the same dump test.