More acute angles resist abrasive wear better because more material must be removed before the edge radius is too large to cut effectively. More obtuse angles r

More acute angles resist abrasive wear better because more material must be removed before the edge radius is too large to cut effectively. More obtuse angles resist deformation and chipping better, but cannot slice through material as effectively. https://knifesteelnerds.com/2018/06/18/maximizing-edge-retention/ https://knifesteelnerds.com/2018/06/18/maximizing-edge-reten...