冷轧工作辊的堆焊修复是冶金行业的重大课题，要求堆敷金属具有超高硬度、高抗裂性及高强韧性。
It is imperative to explore the surfacing material with ultra-high hardness, wear-resistance and crack-resistance.
玻璃纤维与树脂结合，抗张裂性能加强、耐多种化学品的腐蚀、抗撞击、增强韧性、可承受重压、重载物行走。
Combining glass fiber with resin, strong performance resistant to crack, resistant to various, chemicals, resistant to impact, strengthened toughness, able to bear heavy pressure and goods.
与普通高锰钢相比，强韧性有了显著提高，热裂现象在很大程度上得以消除，抗磨性能大大增强。
Compared with common manganese steel, it's strength and toughness was apparently enhanced. Heat crack was hindered or eliminated and anti-abrasive property was enhanced obviously.
显微组织分析证明：止裂处出现了强韧性极高的超细化组织，改善了裂尖处的机械性能。
The analysis on microstructure showed that the super fine structure appeared at crack arresting area, the mechanical properties were improved.
显微组织分析证明：止裂处出现了强韧性极高的超细化组织，改善了裂尖处的机械性能。
The analysis on microstructure showed that the super fine structure appeared at crack arresting area, the mechanical properties were improved.
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