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Test Devices Discusses Advancement in Elevated Temperature Spin Testing

August 1, 2013

Ever more accelerating trend in pursuing more efficient gas turbines drives the running condition of the engines to hotter and more arduous. This drives the need for new materials, coatings and the associated modeling and testing techniques required to evaluate these in high temperature environments and complex stress conditions.

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This paper will present the recent advances in spin testing techniques that allow complex stress and thermal conditions to more closely represent “engine like” conditions. The data from the tests also will be essential references that support the effort of Integrated Computational Materials Engineering (ICME) and advances of rotor design and lifing analysis models.

The use of advanced high temperature spin testing technologies including thermal gradient and thermo-mechanical cycling capabilities combined with the innovative use of modern sensors and instrumentation methods enabled the examination of gas turbine disc and blades under the thermal and the mechanical loads that are directly relevant to the problematic damages occurring in the modern gas turbine engines.