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Brief analysis of physical and structural properties of refractories

Date:2020-01-02 11:00 | From:Zhengzhou Sunrise Refractory | Author:admin
What are the physical properties of refractory materials?
The physical properties of refractories include structural properties, thermal properties, mechanical properties, serviceability and workability.
The structural properties of refractory materials include porosity, bulk density, water absorption, air permeability, and pore size distribution.
The thermal properties of refractory materials include thermal conductivity, thermal expansion coefficient, specific heat, heat capacity, thermal conductivity, thermal emissivity, etc.
The mechanical properties of refractories include compressive strength, tensile strength, flexural strength, torsional strength, shear strength, impact strength, abrasion resistance, creep resistance, bond strength, elastic modulus, etc.
The use properties of refractory materials include fire resistance, load softening temperature, reburning line change, thermal shock resistance, slag resistance, acid resistance, alkali resistance, hydration resistance, CO corrosion resistance, conductivity, and oxidation resistance Wait.
The workability of refractory materials includes consistency, slump, fluidity, plasticity, cohesiveness, resilience, coagulation, and hardenability.
What are the structural properties of refractory materials and what are they included?
The structural properties of refractories include porosity, water absorption, air permeability, pore size distribution, bulk density, true density, etc. They are important indicators for evaluating the quality of refractories. The structural performance of the refractory is closely related to the raw materials used in the material and its manufacturing process, including the type, proportion, particle size and mixing, molding, drying and firing conditions of the raw materials.

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