The results show that the fracture was caused by the bandedstructure which decreased the permitted rotational moment and resulted in the torsional fracture of the bolts during installation process.
Our study was found that two main reasons making the circular saw blades matrix distortion in quenching were bandedstructure and the unreasonable quenching process.
研究发现，原材料的带状组织和淬火工艺的不合理是造成锯片基体淬火变形的两个主要原因。
3
Ores are of pegmatite granites texture, graphic and massive, bandedstructure.