Bone has a hardness of about 3 5 steel knives about 6 5 and ceramic knives about 9 5.
Do ceramic knives get dull.
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.
But contrary to a marketer s spiel these knives do get dull over time.
However the truth is that ceramic knives will eventually get dull.
If you really want to sharpen them you will need a fine or very fine diamond sharpener.
The main advantage that ceramic knives have over steel knives is that they don t need to be sharpened as often.
If you re doing a lot of precision work with fruits and vegetables the answer may be yes.
Contrary to prior answers ceramic knives do need to be sharpened as they do get dull.
I have a couple of ceramic knives in my kitchen.
Ceramic knives are highly touted as the kitchen knife that never goes dull but those claims are far from the truth.
So should you get a ceramic knife.
Do chefs use ceramic knives.
Ditto if you re tapping into your inner mary berry or planning to perfect your citrus twist.
The diamond size should be as small as you can get 1000 or more 6 microns or smaller.
But if you re looking for an all purpose knife ceramic probably isn t the way to go.
It s a common misconception with ceramic knives that they never need to be sharpened or almost never get dull.
Many ceramic knives manufacturers advertise their products as something that won t easily get dull.