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The mechanical properties of a material mainly refer to the macroscopic properties of the material, such as tension, compression, fatigue, shear-torsion, creep, fracture toughness and the like. They are the primary basis for the selection of materials for the design of various engineering structures. The mechanical properties of various engineering materials are measured by the corresponding test equipment and instruments in accordance with the methods and procedures specified in the relevant standards. The various parameters characterizing the mechanical properties of the material are related to a series of internal and external factors such as the chemical composition of the material, crystal lattice, grain size, external force characteristics (static, dynamic, impact, etc.), temperature, and processing methods.
As an analytical testing company with extensive experience in material mechanical property characterization, Alfa Chemistry can provide incredible services and credible testing results for our clients.
Mechanical property characterization services provided by Alfa Chemistry include:
The material is deformed under the action of external force. If the external force does not exceed a certain limit, the original force is restored after the external force is removed. This property of the material is called elasticity. The deformation that disappears after the external force is removed is called elastic deformation, and some main parameters indicating the elastic properties of the material under static load and normal temperature can be measured by a tensile test.
The main parameters we tested include proportional limit, elastic limit, elastic modulus, shear modulus, Poisson's ratio, etc.
The deformation that cannot be lost after the load is removed is called residual deformation. The ability of a material to maintain residual deformation is referred to as plasticity, and thus residual deformation is also referred to as plastic deformation. The parameters reflecting the plastic properties of the material include yield limit, elongation and section shrinkage.
The main parameters we tested include yield limit, elongation and section shrinkage, etc.
The local resistance of solids to external objects is an indicator of the softness and hardness of various materials. Since different test methods are specified, there are different hardness standards. In general, it can be divided into scratch hardness, press-in hardness and rebound hardness.
The main parameters we tested include scratch hardness, press-in hardness and rebound hardness, etc.
Toughness refers to the ability of a metal material to withstand an impact load. The toughness is commonly expressed by the impact energy Ak and the impact toughness value αk. In addition to reflecting the impact resistance of the material, the Αk value or the αk value is sensitive to some defects of the material and can sensitively reflect small changes in material quality, macroscopic defects and microstructure. Moreover, Ak is very sensitive to the brittle transformation of materials, and the low temperature impact test can test the cold brittleness of steel.
Alfa Chemistry provides mechanical property characterization service for: