Malleable cast iron is one of the cast irons that has excellent forging properties. Malleable cas... more Malleable cast iron is one of the cast irons that has excellent forging properties. Malleable cast iron is the result of heat treatment of white cast iron, so that cementite is decomposed to form graphite in the form of rosettes. Malleable cast iron is often used for tooling and on railway components. Testing to determine the fatigue limit of malleable cast iron is very important so that it can find out the maximum fatigue load that malleable cast iron can receive. Fatigue testing was carried out with variations in loading angles of 1o, 2o, 3o, 4o and 5o. From the tests carried out, the fatigue limit of malleable cast iron is below a voltage of 100.4 MPa. Metallographic testing is also carried out to determine the microstructure in malleable cast iron. The microstructure formed in the specimen is in the form of graphite in the form of a rosette and there is a ferrite phase, so the malleable cast iron tested is malleable matrix ferritic cast iron. Fault surfaces in specimens were al...
Malleable cast iron is one of the cast irons that has excellent forging properties. Malleable cas... more Malleable cast iron is one of the cast irons that has excellent forging properties. Malleable cast iron is the result of heat treatment of white cast iron, so that cementite is decomposed to form graphite in the form of rosettes. Malleable cast iron is often used for tooling and on railway components. Testing to determine the fatigue limit of malleable cast iron is very important so that it can find out the maximum fatigue load that malleable cast iron can receive. Fatigue testing was carried out with variations in loading angles of 1o, 2o, 3o, 4o and 5o. From the tests carried out, the fatigue limit of malleable cast iron is below a voltage of 100.4 MPa. Metallographic testing is also carried out to determine the microstructure in malleable cast iron. The microstructure formed in the specimen is in the form of graphite in the form of a rosette and there is a ferrite phase, so the malleable cast iron tested is malleable matrix ferritic cast iron. Fault surfaces in specimens were al...
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