Testing the Cast Non-Ferrous Mechanical Properties of Metal

Metal Properties of the metals are responsible for determining the range and worth and set up the services which could be anticipated

. Mechanical properties were used to aid, specify and understand the metals. Common properties are the hardness, strength, impact resistance and the ductility.

Strength - it is the ability of the metal to endure the external forces actions without the possible breakage. The ultimate strength is the term for a maximum strength that is developed for the metal tension test. The tension testing is a method to determine the performance of the metal under the actual stretching load. The test provides elongation, elastic limit, yield strength, tensile strength, yield point as well as the reduction to the area.

There are lots of machines for the tensile testing that are equipped for plotting a curve that shows in the load and stress; strain and movement which may occur in the duration of testing operation. With the test operation, the loads are increased slowly as the specimen is elongating or stretching in proportion with the load of tensile.

Metal Properties ductility is the property which permits to stretch and change the shape without breaking up and retain the altered shape right after the load was removed. The metal ductility is determined by the tensile testing. This process is being done to determine the range of elongation. The gauge marks were made 2" apart and across the spot where in the fracture can be possibly occur. The additional gauge a length that is related to the original length that is being multiplied to 100 is equals to the elongation percentage.

Reduction of the area is one of the ductility measure and being obtained by the tensile testing through measurement of the innovative cross-section area of specimen that is related to the cross-section area of the failure. As well as with the round specimen, diameter is being measured as the cross-section area is being calculated. Soon as the test bar is broke, the diameter is being measured from the smallest point, and the cross-section area will then again be calculated. Difference with these 2 areas are divided by original area then multiplied to 100 to obtain the percentage of the reduction area.

Testing the Cast Non-Ferrous Mechanical Properties of Metal

By: scheygen smith

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