Improper rework practices can result in unscheduled maintenance or surface damage that causes crackinitiation.
翻修不当可能会造成非计划性维修和表面损伤从而造成裂纹。
2
Removing visible surface corrosion before pitting begins (such as during a C-check) helps prevent conditions that can lead to crackinitiation.
在出现斑点之前去除可见的表面腐蚀(诸如c -检)有助于预防发生裂纹。
3
Introducing the initial damage parameters of coal surface obtained by digital image processing in model, got the failure process corresponding stress state under the crackinitiation and expansion.