2023-05-10

Application of Chinese carbon graphite

With the development of social industry, graphite has been regarded as one of the important industrial minerals at home and abroad. In recent years, with the development of graphite processing technology, graphite parts have played an important role in all walks of life.China-carbon graphite workpiece maintains the original scales graphite original resistance, corrosion resistance and physical properties, high temperature resistance of 3000 degrees, low temperature-204 degrees, pressure resistance is greater than 800kg/cm2, and the pressure resistance is large in 450 degrees air. Lost 1%, rebound rate of 15-50%, strong self-lubrication performance.According to the needs of different industries, the graphite materials are made into different Chinese carbon graphite pieces. In order to improve the performance of graphite, graphite tablets are specially treated. It plays an important role in many fields such as wear -resistant and antioxidant.With the continuous development of science an

2023-04-07

Graphite powder has the cause of self -lubrication performance analysis

Graphite powder is a wear -resistant material, and its self -lubrication performance is its most important feature. Graphn powder has a good self -lubrication performance due to its special layer -shaped crystal structure. The following are the analysis of the reasons for the self -lubricating property of graphite powder:The carbon atoms in graphite lattles are arranged in hexagonal on different planes. The distance between the carbon atoms in the same plane layer is 1.42 meters, and the distance between the carbon atom of each plane layer is 3.35. They are staggered along the same direction, repeat the position of the first plane in the third plane, the fourth plane repeats the position of the second plane, and so on. In each plane layer, because the carbon atoms are relatively tight, the binding forces between them are relatively large, and the carbon atom between layers and layers is far from each other, which is easy to separate and relatively slide. This is the main reason why gr

2023-03-22

What are the causes of quenching cracks in high -strength graphite molds?

1. When the graphite mold is repaired and quenched, heating and quenching without annealing in the middle; 2. Excessive heating temperature for quenching is overheated or burned; 3. There are mechanical processing or cold plastic deformation stress in graphite mold; 4. There are severe mesh carbides in the material; 5. After quenching, the fire is not timely or the insulation time is insufficient; 6. Improper heat treatment operation of graphite mold. If heated or cooling is too fast, improper selection of quenching and cooling medium, low cooling temperature, too long cooling time, etc.; 7. When the graphite mold heats is processed by electric sparks, there are high stress stress and micro -cracks in the hardening layer; 8. The graphite mold is heat -treated and the grinding process is improper. 9. The shape of graphite mold is complex, unevenly thick, with sharp corners and thread holes, which make the heat stress and tissue stress too

2023-03-22

Several use of graphite stick products

1. As a conductive raw material applicationWhen using an arc furnace or ore electric furnace smelting plant, a variety of carbon steel, non -ferrous metals or production of carbonized (calcium carbide), and yellow phosphorus, strong current volume according to the electrode of the carbon plant (or continuous self -baking electrons-- - That is, the electrode paste) or the high -purity graphic electrode to introduce the smelting area of the electric furnace, which causes the electromagnetic loneliness, so that the electromagnetic can be converted into energy, and the temperature rises to up to 2,000 degrees Celsius, which will exceed the smelting plant or the regulations reflected.2. Application of refractory insulation materialsBecause charcoal and graphite products can resist heat and have good high temperature pressure resistance and corrosion resistance, many metallurgical industry furnaces can be built with charcoal to build walls, such as the bottom of the furnace, the furnace tan

2023-02-22

Detailed introduction of the five major industrial production of graphite mold

Below, the main purpose of industrial production of graphite molds is shared with the old iron.1. Graphite molds can be used as conductive raw materials in industrial production. The key to using the various aluminum alloys of the medium -frequency furnace or mineral thermal heating furnace smelting factory, the strong current will cause the electric orphan according to the electrophoretes of the graphite mold. Electromagnetic can be converted into energy to increase temperature, which can achieve the manufacturing standards and manufacturing standards reflected.2. Graphite molds can be used as structural raw materials for corrosion in industrial production. Because the raw materials in graphite mold have excellent corrosion resistance, it can often be used in products such as stainless steel plates.3. Graphite molds can be used as film compression and mold application in industrial production. Because its line expansion coefficients are small and high -temperature resistance and cool

2023-09-21

How to distinguish the advantages and disadvantages of graphite

The first aspect is the flexural strength of the material. The flexural strength of a material is a direct reflection of its strength, indicating the tightness of its internal structure. Materials with high strength have relatively good resistance to loss during discharge. For electrodes with high precision requirements, it is recommended to choose materials with better strength.The second aspect is the Shaw hardness of materials. In the subconscious understanding of graphite, it is generally considered a relatively soft material. But actual test data and application situations show that the hardness of graphite is higher than that of metal materials. In the special graphite industry, the commonly used hardness inspection standard is the Shore hardness measurement methodThe third aspect is the average particle diameter of the material. The smaller the average particle size of the material, the more uniform the discharge of the material, the more stable the discharge condition, and the

2023-05-10

Scales graphite has the cause of lubrication and the conditions of use

Scales graphite has many high -quality characteristics, especially good lubrication, so that it is widely used in many fields. Why is the scales graphite good lubricating, and under what conditions are better lubricating performance? Graphite manufacturer Xiaobian will analyze in detail for you:1, scales graphite is lubricated.The scales graphite played its good lubrication when there is water vapor and air. The presence of water and air enables the surface of the scale graphite to absorb water and gas molecules, which increases the distance between the sliding solution and weakens their binding force. On the one hand, the adhesion is also provided by the free keys on the edge of the base surface of the scales. Because water and gas molecules occupy these free keys, the adhesion force is reduced. This is why the scales are lubricated.2, scales graphite lubricating conditions.Scale graphic can only have good lubrication only in the case of water and air. For example, in a thin high alt

2023-12-22

7 uses of graphite

2022-11-22

Carbon felt purification color principle

Carbon felt purification is widely used in actual industrial production. At the same time, everyone also found that carbon felt purification has many colors, and different colors have different characteristics and different applications. But carbon felt is a sewage crystal, and the color of carbon felt mainly depends on the loyalty and quantity of impurities in the crystal. The abrasive industry considers light blue to black as black carbon felt; colorless to green as green carbon felt.There are several explanations for the color of carbon felt. It is generally believed to be caused by the presence of foreign impurities. For example, when boron is introduced in the form of boron carbide, the crystal turns black; when the crystal contains nitrogen, it becomes green.The appearance color of carbon felt is not only related to the color of the crystal itself, but also related to the interference phenomenon of natural light on the crystal surface. When the thickness of the silicon oxide fil

2023-11-15

Several methods for preparing nano graphite powder using natural graphite

(1) Detonation cracking methodThe detonation cracking method utilizes the properties of graphite that can accommodate foreign negative ion layers to form expandable graphite or lower order GICs, where the ion layer contained is called the insertion layer. In expandable graphite or low order GICs, the insertion layers are regularly arranged in graphite layers. During detonation, the insertion layer rapidly decomposes and releases a large amount of gas, impacting the graphite layers and pushing adjacent graphite layers apart to prepare nano graphite thin sheets. During the detonation process, * * plays two roles simultaneously: firstly, it releases a large amount of heat during the explosion, causing the decomposition of expandable graphite or lower order GICs; The other is to use the shock wave generated during detonation to crush the graphite sheet, achieving the effect of refining the graphite, thereby preparing flake graphite with smaller diameter and very thin thickness.At present,