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2. Fatigue Resistance Test In Rail

Fatigue Resistance Test In Rail

SECTION 15: Fatigue Resistance Test in Rail

Test Procedure & Acceptance Criteria:

Fatigue resistance testing determines a rail's durability and service life by subjecting samples to cyclic loading. Common methods include applying cyclic bending stress to small, sometimes notched, test bars and performing four-point bending tests on larger prismatic specimens. By measuring the number of cycles to failure, these tests validate new designs and materials while identifying critical failure points in the rail.