Bending test

2018-07-23 11:39:50 SUSHI GUANGBO TEST TECHNOLOGY CO.,LTD 已读
Bending test
 
The bending test is a test of the mechanical properties of metallic materials.
 
The mechanical properties of metal materials refer to the ability of the workpiece to resist deformation when subjected to external loads (tensile, compressive, bending, torsional, impact, alternating stress, etc.). The commonly used mechanical properties of materials mainly include tensile strength and yield strength. Bending strength, modulus of elasticity, hardness, impact toughness, elongation, reduction in area, fatigue limit, creep curve, and the like.
 
The strength, stiffness and plasticity of the material can be determined by tensile tests, mainly room temperature tensile and high temperature tensile tests;
 
Impact toughness refers to the ability of a workpiece to resist damage under the impact load, and is a manifestation of the mechanical properties of the material under dynamic loading;
 
When subjected to alternating stress and repeated cyclic stress, the material often breaks suddenly when the working stress is less than the yield strength. This phenomenon is called fatigue. Fatigue fracture is caused by partial permanent loss or defect of the part under cyclic stress. After a certain number of cycles, the defect expansion causes the component to suddenly fail. The test of the material fatigue limit is one of the important indicators for predicting the reliability of the part.
 
  Mechanical properties Tensile properties (room temperature / high temperature) Tensile strength Hardness test Rockwell hardness
Yield strength surface Rockwell hardness
Non-proportional extension strength
Young's modulus Vickers hardness
Elongation at break Microscopic Vickers hardness
Section shrinkage
Tensile creep indentation hardness
Impact properties (room temperature / low temperature) Impact toughness Shear test Shear strength
Low temperature brittleness
Compressive properties compressive strength fatigue test fatigue limit
Compressive yield strength, other mechanical tests, torsional strength
Compressive modulus cupping test
Flattening test
Bending test, bending strength, flaring test
Specify non-proportional bending stress coating adhesion
Flexural modulus
Recommendation
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