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polished aluminum washer specimen for FTM 3450 testing

FTM 3450 Test Specimens

Metal test specimens used in FTM 3450 (Bearing Deposition of Aviation Turbine Engine Lubricants). Each test specimen is a 3/4" diameter disk, 0.032" thick, with 1/4" center hole. The test method requires a set of five metal specimens in these materials: aluminum, titanium (UNS R56080), 99.9% pure silver, steel, and stainless steel. The specimens are assembled and tested together as shown in Figure 3 of the test method.

Customized test specimens for modified versions of this test method are available on request.

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