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Shows the performance of tests on various materials both in the elastic and plastic regions. Discusses…

Examines creep tests on lead wire at various temperatures and loads.

Compares test results for various materials and introduces the true stress-true strain diagram.

Develops an automated experiment and explains the stress-strain diagram.

Robert A Heller presents experiments which show how membranes and shells in structures react under various…

Shows methods of load application in various testing machines and presents methods of determination of tensile…

Shows hardness and impact tests. Heller, Robert A?

Shows hardness and impact tests.

Robert A Heller presents experiments which show how grids and plates in structures react under various…

Introduces the phenomenon of fatigue, showing testing machinery and failure surfaces together with some typical test…

Discusses the definitions and measurement of homogeneous and heterogeneous strains.

Robert A Heller presents experiments which show how beams and frames in structures react under various…