Introduction to the operating procedures of high temperature load soft creep tester

In the field of materials science and engineering, the evaluation of the mechanical properties of polymer materials is very important. High temperature load-soft creep test can simulate the deformation behavior of materials under high temperature and sustained load, and provide key parameters for the service life and safety of products. Therefore, mastering the operating procedures of high temperature load-soft creep tester is particularly important for obtaining accurate and reliable test data. Below, the editor of Hutt Instrument will give you a detailed introduction.

Operating procedures of high temperature load-soft creep tester

1. Sample preparation

Sample preparation is the basic link of the test. According to the test standard, the shape, size and quantity of the specimens that meet the requirements are prepared. Injection or compression molding process is usually used, and the specimens are finely machined to ensure a smooth and defect-free surface. The quality of specimen preparation will directly affect the reliability of subsequent tests.

2. Instrument installation and debugging

First place the high temperature load-soft creep tester on a horizontal and stable workbench to check whether the components are firmly connected. Turn on the power of the equipment host, and after the system self-check is completed, upload the required test program. According to the characteristics of the sample, set a reasonable preheating temperature and time, install a suitable fixture in the heating chamber, and fix the sample. Then check the experimental parameters in the instruction system and start the formal test.

3. Temperature and load setting

The reasonable setting of temperature and load is the core of the test. The heating chamber must be heated to the set value first, and loading can be started after the temperature is completely balanced and stable to avoid errors caused by temperature fluctuations. The loading value depends on the material type and standard requirements. There are two modes: fixed load and gradient load. Usually, preload at a lower stress level for a period of time to avoid instantaneous impact effects.

4. Data acquisition and analysis

During the experiment, the instrument will collect the deformation data of the sample at different time points in real time and automatically generate a time history curve. Pay attention to regular recording and backup of data to prevent accidental loss. After the test, the original data needs to be processed and analyzed to extract key parameters such as creep coefficient and creep strain rate to evaluate the creep performance of the material under actual use conditions.

5. Instrument maintenance

After use, the instrument should be properly maintained. Cool the heating chamber to room temperature, remove and clean the vulnerable parts such as heating wires and thermometers, and apply protective lubricants. Check the wear of the fixture and bracket, and replace them in time if necessary. At the same time, keep the whole machine clean and dry to avoid moisture causing damage to the instrument. Regular calibration and maintenance are critical to the accuracy and service life of the equipment.

The operating procedures of the high temperature load soft creep tester are cumbersome, but the procedures are particularly important. Every step from sample preparation to data collection and maintenance cannot be ignored. Only by strictly following the correct process and carefully checking every detail can we obtain true and reliable test results and provide a reliable basis for engineering design and use. On this basis, by continuously improving and optimizing the testing technology, it will effectively promote the continuous improvement of polymer material performance.