It s a common misconception with ceramic knives that they never need to be sharpened or almost never get dull.
Do ceramic knives get dull.
But contrary to a marketer s spiel these knives do get dull over time.
The jagged teeth of these knives will cut even when they are dull which makes them a good choice for cooks who don t like the constant maintenance required by some other types of knives.
Contrary to prior answers ceramic knives do need to be sharpened as they do get dull.
Ceramic knives are highly touted as the kitchen knife that never goes dull but those claims are far from the truth.
Many ceramic knives manufacturers advertise their products as something that won t easily get dull.
If you re doing a lot of precision work with fruits and vegetables the answer may be yes.
So should you get a ceramic knife.
Bone has a hardness of about 3 5 steel knives about 6 5 and ceramic knives about 9 5.
I have a couple of ceramic knives in my kitchen.
How do you sharpen a ceramic knife.
The diamond size should be as small as you can get 1000 or more 6 microns or smaller.
However the truth is that ceramic knives will eventually get dull.
If you re reading this article it s highly likely that you own a ceramic knife set and have now discovered that even the best ceramic knives can and do become dull.
But if you re looking for an all purpose knife ceramic probably isn t the way to go.
Ditto if you re tapping into your inner mary berry or planning to perfect your citrus twist.
If you really want to sharpen them you will need a fine or very fine diamond sharpener.