What impact does the stretching speed of the rubber tensile machine have on the test results?

Rubber tensile testing machineIt is a precision testing instrument used to determine the mechanical properties, process performance, internal defects, tensile tests, compression, bending, and other tests of non-metallic materials such as rubber, plastics, textiles, and waterproof materials under various conditions and environments. So, what impact does the stretching speed of the rubber tensile machine have on the test results?

The tensile testing machine belongs to viscoelastic materials, and the stress relaxation process is closely related to the deformation speed. When the stretching speed decreases, the tensile strength decreases, and the elongation at break increases; when the stretching speed increases, plastics become brittle, the tensile strength increases, and the elongation at break decreases. Therefore, it is essential to strictly follow the rate specified in the standard testing method when conducting tensile tests. The stretching speed of the tensile testing machine mainly affects the stretching speed, elongation at break, and yield strength. The impact of the stretching speed testing machine varies with different materials; otherwise, it will affect the accuracy of the test results.

1. Tensile strength: The tensile strength increases with the rise in testing speed. However, after reaching a certain stage, it tends to stabilize, and the difference between yield strength and tensile strength becomes significant; the faster the testing speed.

2. Yield strength: When the testing speed is slow, the difference between yield strength and tensile strength gradually decreases, and after a certain stage, the elongation at break decreases and tends to slow down. Additionally, materials with high plasticity have greater sensitivity to tensile speed regarding tensile strength and elongation at break.

3. Elongation at break: Increasing the stretching speed decreases the elongation at break. After reaching a certain stage, the elongation at break decreases and tends to slow down. (Additionally, materials with high plasticity have greater sensitivity to tensile speed regarding tensile strength and elongation at break, while materials with low plasticity have relatively lower sensitivity.)

Taian Tiancheng Testing Equipment Co., Ltd., established in2009, is a comprehensive high-tech enterprise integrating scientific research and development, manufacturing, and sales services. The company is located at the foot of the famous Mount Tai, adjacent to the intersection of the Jingfu and Jinghu expressways, with beautiful scenery and convenient transportation.

The company has a high-quality research and development, production, management, and sales team, relying on scientific and rigorous management, a complete production system, and a strict quality system to provide high-quality products and technical services for users in different fields.

Tiancheng TestingThe application range of the tensile testing machine covers research institutes, commercial inspection arbitration agencies, colleges and universities, and industries such as rubber, tires, plastics, wires and cables, shoemaking, leather, textiles, packaging, building materials, petrochemicals, and aviation. It is an indispensable testing device for material development, physical property testing, teaching research, quality control, incoming material inspection, and random inspection on production lines.Rubber tensile testing machineAs an important component of the instrument, different materials require different fixtures, which is also a crucial factor for the smooth progress of the test and the accuracy of the test results.

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