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Effect of silicon material aluminum tread plate performance

Edit:admin001 Date: 2019-05-23 15:45
Silicon is the main component to improve the flow properties. Silicon with a suitable proportion can also increase the hardness of the alloy. The most typical alloy is 4XXX aluminum-silicon alloy. In order to achieve a certain hardness of the alloy, appropriate silicon will be added. The pattern aluminum plate is also not produced. Exceptionally, what is the effect of silicon content on the pattern aluminum plate?
Although aluminum tread plate manufacturers generally refer to aluminum alloys exceeding 12% Si as high silicon aluminum alloys, diamond tools are recommended, but this is not absolute. The increasing silicon content increases the destructive power of the tools. Therefore, some manufacturers recommend the use of diamond tools when the silicon content exceeds 8%.
Aluminum alloys with a silicon content between 8% and 12% are a transition zone, either ordinary carbide or diamond cutters. However, the use of cemented carbide should use a PVD (physical coating) method, without aluminum, a tool with a small film thickness. Because the PVD method and small film thickness make it possible for the tool to maintain a sharper cutting edge (otherwise, in order to avoid abnormal growth of the film at the cutting edge, it is necessary to passivate the cutting edge sufficiently, the cutting aluminum alloy will not be sharp enough) The aluminum material of the film material may cause the blade film layer to interact with the workpiece material to break the bond between the film layer and the tool substrate. Because the super-hard coating is mostly a compound of aluminum, nitrogen and titanium, it may cause chipping due to a small amount of peeling off of the cemented carbide substrate as the film peels off.
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