Creep Testing Apparatus Model MT 063

Creep occurs due to the deformation of a material subjected to constant stress and temperature.

The main application of the study of creep is the analysis of the resistance characteristics of materials to be able to design pieces and elements able to support tolerable elongations during their working life.

Sci-tech MT 063 unit allows the student to determine experimentally the yield strength of plastic materials and the relation of deformation due to yield with time and temperature.

Item Description

Sci-tech MT 063 unit for the creep testing is mounted on a structure of aluminum profiles which a painted steel panel is supported on.

The Creep Testing Unit is designed to carry out experiments on specimens of plastic materials. Due to the dependence on the temperature in this type of tests, there is a temperature conditioning box where the experiments are carried out. It is made of acrylic, which allows to observe the experiment ́s development. The conditioning box is divided in two sections: the first has the placement for an isotherm bag that allows heat or cold the inside of the box, and the second one is for the placement of the specimens. Inside it, there is also an alcohol thermometer to measure the working temperature.

To carry out a creep experiment a constant load of tension must be applied to the specimen. Sci-tech MT 063 unit has a load arm over which a hook for weights is hung on an end. This load arm multiplies the load applied to the specimen. The student will be able to apply loads by adding the weights supplied. The reaction will be the force applied to the specimen.

The unit has a dial indicator to measure the specimen elongation in a continuous way. The dial indicator measures the arm fall relevant to the horizontal and the specimen elongation is obtained by a simple trigonometric relation.

Technical Specifications

Bench-top unit.

Anodized aluminum structure and panel of painted steel. Main metallic elements in stainless steel. Temperature conditioning box made of methacrylate. Here, the adequate temperature conditions to carry out the experiment are created. Inside it, the specimen which will be experimented is located. To reach the temperature, an isotherm bag will be used. To know the experiment conditions, there is a thermometer at the upper part of the box. Load arm. It is a stainless steel beam on which the loads are applied to the specimen. It pivots on a shaft inserted in the support column. Tensile stress range: 0-35 N/Support screw for supporting the load arm before starting the experiment.

Clamps. They are into the space to fasten the specimens.

Allen key to adjust the dial indicator.

A dial indicator of 10 mm of measurement. It measures the elongation of the specimen which is under the load and temperature concrete conditions.

The specimens are flat type, made in different plastic materials. They have a section of 5 mm x 2 mm to make the experiments easier. They are made of PVC and Polypropylene.

Set of weights and support hook, composed of: Support hook of 500 gr.
1 Weight of 1000 gr.
2 Weights of 500 gr.
2 Weights of 200 gr.
1 Weight of 100 gr.
Manuals: This unit is supplied with the following manuals: Required Services, Assembly and Installation, Starting-up, Safety, Maintenance & Practices Manuals.