- The abrasiveness of hot deformed low chromium semi-steel was studied through the impact abrasion test. the characters of abrasion surface was analyzed.
- Authors suggest the linear relationship between the anti-abrasion parameters consisting of the amount and distribution of carbides, abrasive surface hardness and the abrasion resistance in this paper.
- The gas bubbled to the surface of the water.
- The surface of the liquid gradually crusted over.
- A breeze ruffled the surface of the lake.