Back to results
US 12,650,369 B2Granted
Test assembly and method of testing an assembly for thermal fatigue
AssigneeSchaeffler Technologies AG & Co. KG
InventorTuo Luo
Life of this patent
Estimating the term…
Abstract
A method of testing a test specimen assembly is disclosed herein. The method can include providing the test specimen assembly which includes a control element and a test element, which are formed from different materials.
Claims21
A method for testing thermal fatigue, the method comprising:
- (a) providing a test specimen assembly including a control element at least partially embedded within a test element, the control element comprising a body having a discontinuous profile with a single slot, the profile of the body is discontinuous in a circumferential direction at the single slot and continuous in the circumferential direction elsewhere;
- and
- (b) cyclically subjecting the test specimen assembly to a first temperature (T1) and a second temperature (T2) for a period of time until the test specimen assembly experiences fatigue cracking, wherein the first temperature (T1) and the second temperature (T2) have a temperature differential;
- wherein the control element includes inner and outer circumferential surfaces extending between the slot, and the test element surrounds the inner and outer circumferential surfaces and extends through the slot.
1 more element
A test specimen assembly comprising:
- a test element comprised of a potting material;
- and
- a control element comprising a body formed from a metal and having a discontinuous profile with a single slot, the profile of the body is discontinuous in a circumferential direction at the single slot and continuous in the circumferential direction elsewhere, the control element being at least partially embedded within the test element, wherein the test specimen assembly is configured to undergo thermal fatigue testing until the test specimen assembly experience fatigue cracking;
- wherein the control element includes inner and outer circumferential surfaces extending between the slot, and the test element surrounds the inner and outer circumferential surfaces and extends through the slot.
1 more element
A method of forming a test specimen assembly for thermal fatigue testing, the method comprising:
- (a) providing a control element comprising a body formed from metal and having a discontinuous profile with a single slot extending between a first and second axial end of the body, the profile of the body is discontinuous in a circumferential direction at the single slot and continuous in the circumferential direction elsewhere;
- and
- (b) embedding the control element at least partially within a test element to form the test specimen assembly;
- wherein the control element includes inner and outer circumferential surfaces extending between the slot, and the test element surrounds the inner and outer circumferential surfaces and extends through the slot.
1 more element
Dependencies are inferred from the claim text.