Will a thin blade dull faster than a thick blade (all things being equal)?

[ukknifer]

Will a thin blade dull faster than a thick blade (all things being equal)?

Lets assume I have a (4 mm) thick blade and a (2 mm) blade and a (1 mm) blade.
Lets assume they are all the same steal, heat treat length and height and grind
Lets assume the only variable different is thickness.

Will the thicker blade stay sharper longer?

Thanks

 

[Ankerson]

It depends....

Usually the thinner the better assuming the edge geometry is right for the steel and what is being cut.

Both spine thickness AND Thickness behind the edge is important, thickness behind the edge will have the largest effect.... TO A POINT.... If it's too thin for the task etc it will have a negative effect....

 

[ev13wt]

If they all have the same secondary bevel, lets say 30 degree incl., and the side height of those bevels are the same, they will all dull at the same speed.

Cutting performance, chipping or breakouts or folding edges depends on thickness behind the edge, spine thickness and the type of primary grind.

 

[marcinek]

If they all have the same secondary bevel, lets say 30 degree incl., and the side height of those bevels are the same, they will all dull at the same speed.

Cutting performance, chipping or breakouts or folding edges depends on thickness behind the edge, spine thickness and the type of primary grind.

Precisely. Geometry.