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Aluminum Oxide Crystals Manufacturers Malaysia

It can be seen that carbides are formed in the cemented layer(white alumina grit). However, the elements that can form carbides in alloy steel belong to transition metals. The relationship between the average value of the measured layer thickness of each sample and the holding time is analyzed(aluminium oxide polishing compound), only changing the holding time, and the influence of different holding times on the thickness of the layer is analyzed. law.


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The increase in temperature improves the effective decomposition ability of the penetrating agent(aluminum oxide sandblast media), so that the same thickness of the penetrating layer can be obtained under the condition of low temperature and long-term heat preservation. It can be seen that the sample is heated to 930℃, keeping other factors unchanged(brown fused alumina powder), and doing the test with different holding time of 0.5h, 3h, 4h, 5h, 6h.(aluminum oxide crystals manufacturers malaysia)


This is because the holding time is too short(white corundum powder), the penetration agent is not fully decomposed, and the penetration layer is initially formed. When the holding time reaches 1h, the permeable layer quickly expands into the substrate, and the permeable layer becomes thicker(aluminum oxide grit mesh size f16). According to the source, it is believed that the infiltration of [B] atoms forms borides, which are insoluble in carbon, and carbon segregates.


(aluminum oxide crystals manufacturers malaysia)In summary, the higher the temperature, the more complete the transition, the faster the diffusion rate, and the thicker the infiltration layer(aluminum oxide polishing powder). After 3 hours of heat preservation, the white and bright parts become more and more dense; after the heat preservation time reaches 4 hours, a dense white and bright color bleeding layer is formed at the interface(white corundum sand). It can be seen that the bright white layer is relatively thin.


The carbon is extruded into the transition layer and between the teeth of the compound(white grain aluminum oxide a 220). According to the principle of thermodynamics, when the composition and energy meet the formation Under compound conditions, carbides are formed(aluminum oxide polish). The infiltration of Al is completed before B or when the boride does not completely cover the surface layer, so the Al in the infiltrated layer is distributed in needles or small grains.(aluminum oxide crystals manufacturers malaysia)


The degree of d-layer electrons is higher than that of Fe, the permeable layer quickly expands into the substrate, and they are all located to the left of Fe in the periodic table(white aluminium oxide grit suppliers). Al is a graphitization forming element and cannot be directly combined with carbon to form a compound(brown aluminum oxide 120 grit blast media). The composition analysis of the infiltrated layer shows that the paste method can achieve the co-infiltration of boron and aluminum.


(aluminum oxide crystals manufacturers malaysia)When the carbon content in the front of the cemented layer reaches the saturated solubility of carbon in the austenite at this temperature(aluminum oxide powder), carbides will be formed, after permeation plating, which increases the resistance to the progress of the cemented layer and makes it difficult to increase the thickness of the cemented layer(silicon carbide grinding). Measure the thickness of the infiltration layer of the samples with different holding time.


This is because the holding time is too short, the penetration agent is not fully decomposed(aluminium oxide suppliers), and the penetration layer is initially formed. When the holding time reaches 1h, and the permeable layer becomes thicker. Continue to increase the holding time, the thickness of the white and bright color bleeding layer does not increase significantly(white fused alumina micro powder). With the participation of B, special compounds of B, Al, and C are formed.


It can be seen that the white and bright parts become more and more dense after the heat preservation time of 3h(white aluminum oxide lapping compound); after the heat preservation time reaches 4h, a dense white and bright color bleeding layer is formed at the interface. Compared with the metallographic structure of the matrix sample(aluminium oxide abrasive powder), a bright white layer is formed on the surface of the matrix. It can be seen that the white and bright layer is relatively thin.


white aluminium oxide
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