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What is the impact of the tensile speed of the rubber tensile machine on the test results?

What is the impact of the tensile speed of the rubber tensile machine on the test results?

2019/03/23 15:29
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[Abstract]:
Whatistheimpactofthetensilespeedoftherubbertensilemachineonthetestresults? Rubbertensiletestingmachineisakindofprecisiontestinginstrumentfortestingmechanicalproperties,processproperties,internaldefect

What is the impact of the tensile speed of the rubber tensile machine on the test results ?

  Rubber tensile testing machine is a kind of precision testing instrument for testing mechanical properties , process properties, internal defects , tensile tests , compression and bending of non-metallic materials such as rubber , plastics , textiles and waterproof materials under various conditions and environments .  So , what effect does the tensile speed of the rubber tensile machine have on the test results ?
 
  The tensile testing machine is a viscoelastic material, and the stress relaxation process is closely linked to the deformation speed. When the tensile speed decreases, the tensile strength decreases and the elongation at break increases. When the tensile speed increases, the plastic exhibits brittleness, tensile strength increases, and elongation at break decreases. Therefore, the tensile test must be carried out in strict accordance with the rate specified by the standard test method. The tensile test machine tensile speed is mainly affected by the tensile speed, elongation after fracture and yield strength.  The effect of the tensile speed tester varies with the material,  otherwise it will affect the accuracy of the test results.
 
  1. Tensile strength: The tensile strength increases with the test speed . However, after reaching a certain stage , the steady yield strength and the tensile strength tend to be larger ; the faster the test speed .
 
  2. Yield strength: When the test speed is slow, the difference between the yield strength and the tensile strength gradually decreases, and the elongation decreases after the break at a certain stage. In addition, the large plastic tensile strength and elongation after fracture are sensitive to the tensile speed.
 
  3. Elongation after break: The increase in tensile speed reduces the elongation after fracture. After a certain period of time, the elongation decreases after the break. ( In addition, the large plastic tensile strength and the elongation after break are sensitive to the tensile speed, while the small plastic tensile strength and the post-break elongation are relatively less sensitive to the tensile speed.
 
  Taian Tiancheng Testing Equipment Co., Ltd. , established in 2009, is a comprehensive high-tech enterprise integrating scientific research, development, manufacturing, sales and service. The company is located at the foot of Taishan, which is well-known at home and abroad, and adjacent to the intersection of Beijing-Fuzhou and Beijing-Shanghai Expressway. The scenery is pleasant and the transportation is convenient .
 
  The company has high-quality research and development, production, management and sales teams, relying on scientific and rigorous management, perfect production system and strict quality system to provide high-quality products and technical services for users in different fields.
 
  Tiancheng testing tensile testing machine uses industry-wide industries such as research institutes, commodity inspection and arbitration institutions, universities and other institutions as well as rubber, tires, plastics, wire and cable, footwear, leather, textile, packaging, building materials, petrochemical, aviation and other industries. Indispensable testing equipment such as material development, physical property testing, teaching research, quality control, feed inspection, random inspection of production lines, rubber tensile testing machine fixtures as an important part of the instrument, different materials require different fixtures, but also experimental energy Whether it is smooth and an important factor in the accuracy of the test results.
 
  Based on the enterprise spirit of “ Quality creates brand, service seeks development”, Taian Tiancheng Testing Equipment Co., Ltd. constantly innovates on the basis of past rich experience, and strives to build a after-sales team with exquisite technology and high quality service to spare customers from worries. . "Professional equipment, service with heart " is our constant philosophy. Tiancheng Testing sincerely hopes to develop together with colleagues from all walks of life to create brilliant!
 
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