The first type is that the plane of ASB is very close to the habit plane of the second type deformation band (DBII) in fatigued copper single crystals, which needs the minimum critical strain to form.

• 根据空间位向ASB可以分为三类，第一类非常接近铜晶体疲劳时形成的第二类形变带(DBII)平面, 其临界应变最小。