| 1. | Polyethylene pipes - resistance to slow crack growth - cone test method
聚乙烯管材耐慢速裂纹增长锥体试验方法 |
| 2. | The anti - slow crack grows and the fast crack expands the ability
抗慢速裂纹增长scg及快速裂纹扩展rcp能力。 |
| 3. | 4th , the outstanding anti - slow crack grows and the fast crack expands the ability
4优异的抗慢速裂纹增长scg及快速裂纹扩展rcp能力 |
| 4. | Testing method of flex cracking and crack growth for rubber , vulcanized or thermoplastic de mattia
硫化的或热塑性橡胶曲挠龟裂和裂纹增长的试验方法 |
| 5. | De mattia rubber , vulcanized or thermoplastic - determination of flex cracking and crack growth de mattia
硫化或热塑橡胶.弯曲断裂和裂纹增长的测定 |
| 6. | Ncls standard test method for notched , constant ligament - stress test to determine slow - crack - growth resistance of hdpe resins or hdpe corrugated pipe
测定hdpe树脂或hdpe波纹管抗慢性裂纹增长的凹口恒定带状应力 |
| 7. | Polyolefin pipes for the conveyance of fluids - determination of resistance to crack propagation - test method for slow crack growth on notched pipes notch test
流体输送用聚烯烃管材.抗裂纹扩展的测定.切口管材慢速裂纹增长的试验方法 |
| 8. | Advanced technical ceramics - monolithic ceramics - mechanical properties at room temperature - determination of subcritical crack growth parameters from constant stressing rate flexural strength tests
高技术陶瓷.整体陶瓷.室温机械性能.用固定应力率的弯曲强度试验测定亚临界裂纹增长参数 |
| 9. | River triumphant pe burns the trachea production equipment to use the german battenfield polyethylene tubing to squeeze out the production line , its unique sieves the basket type nose design , can effectively destroy the polyethylene raw material thus guarantees the polyethylene tubing to have the performance in the use which the fine anti - slow crack growth and the anti - fast crack expands
凯佳pe燃气管生产设备采用德国battenfield聚乙烯管材挤出生产线，其独特的筛篮式机头设计，能有效地破坏聚乙烯原料的记忆性，从而确保聚乙烯管材在使用中具有优良的抗慢速裂纹增长和抗快速裂纹扩展的性能。 |
| 10. | : 36 < kth < 37 mpa / m3 / 2 , 42 < kih < 44mpa / m3 / 2 , 51 < kc < 52 mpa / m3 / 2 through the sem fractography , it is know that the susceptibility to brittle failure at room temperature is more than below 100 ? . and the susceptibility to brittle failure increase with hydrogen increasing , under the sustained loading , ductile cracking appears . the quantity of brittle cracking is more with crack growth
T44mpa m ‘ q ， sl lt52mpa in ’ ”断口分析表明，该合金充氢后其室温时的氢脆敏感性大于100oc时的氢脆敏感性；且随氢含量升高，氢脆敏感性增加：在恒载荷的作用下，该合金裂二纹开始扩展时显示的是韧性起裂；随裂纹增长，试样脆性断裂的比例增大。 |
