Induction Furnace Minecraft

Advantages and Disadvantages of Vacuum Induction Furnace Minecraft

1. What Are the Advantages of Vacuum Induction Furnace Minecraft?

Vacuum induction furnace minecraft is a steelmaking method that heats, melts, refines, alloying, and pours the burden under negative pressure conditions. Compared with methods such as electric arc furnaces and intermediate frequency induction furnaces, it has the following advantages.

(1) Precise Control of the Chemical Composition of the Alloy

Because the entire smelting process is conducted under a vacuum that isolates the atmosphere, the oxidation loss of alloy elements is reduced, and the oxygen content in the molten steel is very low, greatly improving the recovery rate of alloy elements. And then be able to accurately manipulate the chemical composition.

(2) Because the smelting process is carried out under vacuum, the gas content in the tempered alloy is very low. Using carbon to deoxidize molten steel under a vacuum and pouring under a vacuum avoids secondary oxidation. These advantageous conditions result in a low content of gas and inclusions in the tempered steel, greatly improving the purity of the steel.

(3) Reducing the Content of Trace Harmful Impurities in Steel

Trace impurities such as lead, arsenic, tin, antimony, and bismuth can significantly damage the hot working plasticity and high-temperature strength of superalloys. Utilizing the high vapor pressure characteristics of trace impurity elements, high temperature and high vacuum can effectively remove impurity elements and weaken their damaging effects.

(4) Strong Adjustability of Process Parameters for Vacuum Induction Furnace Minecraft

Through cooperation and adjustment of factors such as smelting vacuum, temperature, refining time, and furnace atmosphere, many refining intentions can be achieved. In this regard, its process flexibility far exceeds that of medium-frequency induction furnace smelting. For example, vacuum induction furnace smelting has advantages in decarburization, deoxidation, denitrification, and evaporation to remove impurities, reduce the burning loss of easily oxidized elements, and reduce the content of inclusions in molten steel.

2. What Are the Drawbacks of the Vacuum Induction Furnace Minecraft?

(1) Presence of Contamination of Molten Steel by Crucible Refractory Materials

Under the action of two layers of high temperature and high vacuum of vacuum tempering, the refractory material of the crucible will undergo a decomposition reaction, generating oxygen delivery to the molten steel, adding oxygen content to the molten steel, and then reducing the purity of the molten steel.

In addition, under the above conditions, carbon in the molten steel will undergo a recovery reaction with A1203, B203, and SiO2 in the crucible refractory material, resulting in an increase in Al, B, and Si in the molten steel.

In short, the reaction between the molten steel and the crucible material contaminates the molten steel and reduces its purity.

(2) The Crystal Structure of the Ingot Has Not Been Improved

The microstructure of steel ingots cast in medium-frequency induction furnaces and electric arc furnaces is the same, with defects such as component segregation, uneven grain size, deep shrinkage cavities, and poor surface quality of steel ingots.

(3) High Equipment Investment and Production Costs

The equipment cost of a vacuum induction furnace is about 25-30 times that of a medium-frequency induction furnace, and the production cost is about 5-10 times that of the induction furnace.

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