Yes, knife sharpening can wear down the blade over time. When you sharpen a knife, you are removing a small amount of metal from the blade to create a sharp edge. With each sharpening session, some metal is gradually ground away, resulting in a thinning of the blade. This process is known as material removal.
However, it's important to note that the rate of wear depends on several factors, such as the sharpening technique used, the frequency of sharpening, the type of knife steel, and the skill of the person performing the sharpening. With proper sharpening techniques and regular maintenance, you can minimize the amount of metal removed and prolong the overall lifespan of the blade.
To mitigate excessive wear, it's recommended to use high-quality sharpening tools, such as whetstones or sharpening systems, that are designed to remove minimal amounts of metal. Additionally, maintaining the correct sharpening angle and avoiding excessive pressure while sharpening can help preserve the blade's integrity. Finally, it's crucial to follow the manufacturer's guidelines for sharpening and care, as different knives may have specific recommendations to maintain their longevity.