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Release time:
2012-09-28 15:08
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The Role of Rare Earth Elements in Spherical Agents
Improve the thermal stability of the mechanical properties of the alloy: rare earth elements are effective alloying elements to improve the heat resistance of rare earth magnesium alloy, which can improve the high temperature strength and high temperature creep resistance of Mg alloy. The diffusion coefficient of rare earth in magnesium is small, which can slow down the recrystallization process and increase the recrystallization temperature, increase the aging effect and the thermal stability of the desoluble phase, pin the grain boundary of the high melting point rare earth compound, hinder the dislocation movement, and improve the high temperature creep resistance.
2024
03-25
Effect of Nodularizing Agent on Graphitized Cast Iron
The effect of spheroidizing agent on the structure of graphite cast iron: spheroidizing agent can improve the structure of cast iron, and there are two kinds of spheroidizing agent and spheroidizing agent. Under the action of the spheroidizing agent, the graphite will be spherical instead of flake when the iron-carbon alloy is solidified, and this spherical graphite is more uniform and fine, and the distribution is more uniform. The ferrite structure in cast iron has also been greatly improved, short spherical graphite can refine the ferrite grains, so that the grain spacing is more uniform, so as to improve the overall performance and hardness of cast iron.
Advantages of carburant
Advantages of carburizer: carburizer is widely used, and has certain applications in steelmaking, forging, refining and other fields. Its physical properties are relatively high, which can achieve the advantages specified in the production process faster. In the field of pig iron, carburizer can also avoid pig iron at low temperature and white iron. Under specific application conditions, carburizer has more and more advantages, which can reasonably reduce the duration of carburization and improve the actual effect of carburization, it also has the advantages of increasing the amount of waste steel, arranging network resources reasonably, and reducing costs.
The difference between silicon carbon alloy and silicon carbide
Silicon carbon alloy and silicon carbide are two different materials, which are obviously different in composition, structure, performance and application.
