surface damage layer

基本解释

Laser shock hardening may change the structure and properties through forming shock wave and causing damage in the surface layer of metal.
激光冲击硬化是通过在材料表层内形成冲击波而引起“损伤”来改变表层的组织和性能。
The invention belongs to the field of ultra-precision processing of hard and brittle crystal materials and relates to a corroding agent for detecting damage of a surface layer of a sapphire substrate.
本发明属于硬脆晶体材料超精密加工领域，涉及一种用于检测蓝宝石基片表面层损伤的腐蚀剂。
ip.com
Combining with real situation of expressway bridge in Hebei Province, this paper analyzes the cause of early damage of bridge asphalt surface layer, and puts forward the measures avoiding the damage.
在调查湖北省已建高等级沥青路面建设情况的基础上，总结了沥青路面常见的几种早期破坏形式，并提出了相应的预防措施和建议。