In the introduction to each application, you will learn about:
Stainless steel because of its corrosion resistance and excellent surface finish and in aircraft industry, chemical industry, medical and food industry, professional kitchen, building and even jewelry play an important role.They are prone to mechanical deformation during the preparation of metallographic and wear, the need for special preparation to ensure reproducible results.
Titanium is a relatively new and expensive metal.However, the high strength weight ratio and excellent corrosion resistance, heat resistance, made of titanium and titanium alloy become ideal engineering material.It is widely used in safety critical aerospace, aircraft, chemical industry and medical industry.Therefore, the titanium production and processing of quality control is very important.
In addition to a wide range of other chemical and physical properties, and through the internal structure (called grain structure) assessment of metal materials.Grain structure is usually to keep up with the technology application in material, usable traditional optical microscope to observe.How to preparation for microscopic analysis and explain the best sample results?
Low density, high strength and corrosion resistance of aluminum, cars, planes, aerospace, packaging and other industries of choice for many applications of materials.Metallography is used for quality control, in order to determine the grain size materials and evaluation phase, impurities and mechanical defects.
Pure copper because of its good formability, good electrical conductivity, thermal conductivity and corrosion resistance, mainly used in electrical engineering and food and beverage industry.Used for quality control of copper and copper alloy, mainly check the purity and determine the grain size, at the same time check the casting alloy to evaluate the general structure of the alloy.
The word "iron" refers to contain 2.5 4.0% and 1.0 3.0% silicon carbon (typical) of iron - carbon - silicon alloy.Cast iron is a very important engineering metals, have many advantages, the main is good castability and cutting, with moderate mechanical properties.
Screw fasteners such as metallographic preparation of specific challenges: geometric shapes.Usually have to be cut through the center of fasteners, therefore, firmly grip the sample will be a challenge.In addition, the curve of the screw and the screw head may lead to set the priority sample resin shrinkage.For coating material, it is a serious problem, because if the edge protection is bad, will not be able to check the correct coating.
Powder metallurgy technology is an important method in the production of metal parts.The density of compaction and sintering parts will affect the strength, toughness and hardness.The metallographic control of the porosity is, therefore, many industries shall form an integral part of the quality control.Show the structure of powder metallurgy parts, for the real need for a comprehensive preparation methods, and between the polishing step for microscopic examination.
The development of integrated circuit and chip components has made it possible the miniaturization of electronic equipment.Material reading of these components in many sectors of the design, development and failure analysis plays an important role.It is also used in the sampling inspection in the process of production.Because the components are very small, so need special material preparation technology and equipment.
Metallic zinc is used to cast iron and low carbon steel and low alloy steel corrosion protection.Galvanized products metallographic analysis including coating thickness measurement, microstructure analysis, base metal adhesion inspection and failure analysis.According to the different method of galvanized, zinc coating on the performance of the metallographic sample preparation period is different also, this makes choosing the correct method is very important.
Thermal spray coating is widely used for surface quality and provide materials with special functions, such as corrosion resistance, heat resistance and wear resistance.Phase check of thermal spray coating materials including estimate porosity, oxide and molten particles, and adhesion to substrate.
High alloy tool steel need production with a certain mechanical, physical and metallurgical properties of the very clean material.If you want to control production and heat treatment process, from the initial stage of casting to the final heat treatment, metallographic examination is an important tool of the product.
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