Do “never-need-sharpening” knives really stay sharp forever?
Most so-called “never-need-sharpening” knives are serrated. They are really saws. They can be useful for cutting some types of food (such as French bread) but are considered inferior for other cutting needs because they do not cut smoothly and precisely. “Never-need-sharpening” knives don’t compare to fine gourmet cutlery. Serrated knives do dull. The teeth become misaligned and worn and produce ragged cuts. In fact, one of the questions asked most frequently during demonstrations of the Chef’sChoice Diamond Hone® knife sharpener is “Can the Chef’sChoice sharpener sharpen my never-need-sharpening knife?” The answer is yes! Chef’sChoice sharpeners (manual or electric) readily sharpen the tips of the saw teeth. Another type of so-called “never-need-sharpening” knife is made by spraying a metallic coating (such as tungsten carbide) onto one side of the edge of a stamped or forged blade. Tests show that this metal coating is very brittle and chips off during use — after only a few weeks i
