ductile fracture toughness的意思|示意

The tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.

为了考察奥氏体-贝氏体球铁的可靠性和使用寿命，还进行了延性断裂韧度与接触疲劳性能的试验。

By comparing fatigue crack with electrosparking crack, the effects of crack tip on fracture toughness of ductile iron have been studied.

通过开疲劳裂纹和线切割裂纹的对比试验，研究裂纹尖端的尖锐程度对球墨铸铁断裂韧性的影响；

The graphite globularity quality of ductile iron with fracture toughness has been discussed.

研究石墨球化质量对球墨铸铁断裂韧性的影响。

The results showed that with increasing the amount of the initial void damage, the ductile fracture initiation toughness of steel decreases.

研究结果表明，随钢组织在预加载荷中产生的微孔洞初始损伤量的增加，其延性起裂韧性降低。

By using measurement of mechanical parameters and microscopic observation, the effect of initial damage on the ductile fracture initiation toughness of steel was investigated experimentally.

通过力学参数测量和微观观察研究了初始损伤对钢的延性起裂韧性影响。

The ductile cast iron and the other cast iron usually belong to the brittleness material. It's the fracture toughness should studied by linear elastic mechanics.

通常球墨铸铁与其他铸铁材料一样被认为属于脆性材料，断裂韧度应该用线弹性力学理论进行研究。