The influence of cold ramming paste on us is very significant, and the impact of cold ramming paste on us is what our editor will talk about today. Today, our cold ramming paste editor will explain today's article to you from three aspects: strength, volume, and plastic expansion, promoting graphitization. You can learn about today's article with our editor.
There is currently no consensus on how alkali metals penetrate into carbon bricks, whether they are siphoned or generally inhaled. However, the impact of alkali metals on carbon bricks is already very clear, including decreased strength, volume expansion, and plasticity. Below, we will provide a detailed introduction to the impact of alkali metal erosion on the service life of carbon bricks.
1. Strength deterioration: According to tests on used carbon bricks and alkali metal erosion experiments on unused carbon brick samples in the laboratory, it was found that the strength of carbon bricks sharply decreases when they are subjected to alkali metal erosion.
2. Volume and plastic expansion: After conducting alkali metal erosion experiments on carbon brick samples, it was found that their volume expanded. However, when the samples were subjected to alkali metal erosion under different loads, it was found that the samples exhibited varying degrees of plastic deformation and formed plastic bodies according to different loads.
3. Promoting graphitization: Laboratory tests were conducted on used carbon bricks, and it was found that the thermal conductivity of carbon bricks increased after being corroded by alkali metals. Under a microscope, graphite phase was observed, indicating that alkali metals can promote low-temperature graphitization of carbon bricks.