| 1. | Standard test method for measurement of fatigue crack growth rates
测量疲劳裂缝增长率的标准试验方法 |
| 2. | Standard test method for fatigue crack growth rates of metallic materials
金属材料疲劳裂纹扩展速率试验方法 |
| 3. | Fatigue crack growth rate of rotor steel under the condition of subcritical temperature
亚临界温度条件下转子钢疲劳裂纹扩展速率 |
| 4. | Effect of temperature on the fatigue crack growth rate of austenitic material is more evident than that of bainite material
温度对奥氏体材料疲劳裂纹扩展率的影响更大。 |
| 5. | Method for determination of threshold stress intensity factors and fatigue crack growth rates in metallic materials
金属材料的阈限应力强度因子和疲劳裂纹增长率的测定方法 |
| 6. | Increase of fatigue crack growth rates of 316l at elevated temperature mainly results from the drop of material intensity and elastic modulus
由于温度升高316l的弹性模量和强度下降，因此奥氏体材料疲劳裂纹扩展速率随着温度升高而提高。 |
| 7. | ( 1 ) the data of fatigue crack growth rates at high temperature for four materials are gained . the laws of fatigue crack growth with temperature are researched
( 1 )首次获得了四种材料较为完整的高温疲劳裂纹扩展数据，探索了这些材料随温度变化的疲劳裂纹扩展规律。 |
| 8. | ( 3 ) both oxide - induced closure and embrittlement of grain boundaries take place for 2 - cr1mo and 2 - cr1mov at high temperature . the change of fatigue crack growth rates with temperature is not so evident as 316land 16mnr
裂纹表面氧化引进的闭合效应和晶界脆化相对比较均衡，裂纹扩展速率随着温度升高的变化没有铁素体和奥氏体材料明显。 |
| 9. | One of the main failure patterns is caused by fatigue crack growth , so it is necessary to research material fatigue crack growth rate . so for , it is still a difficult problem to measure crack length at elevated temperature
裂纹疲劳扩展导致的破坏成为设备失效的主要型式之一。因此对材料在高温下疲劳裂纹扩展速率的研究成为工程界的迫切需要。 |
| 10. | ( 1 ) fatigue crack growth rates of 316l , 2 ( 1 / 4 ) cr1mo and 2 ( 1 / 4 ) cr1mov increase with temperature . the exponent n , in the paris law , da / dn = c ( k ) " , changes little with increasing temperature
试验温度条件下奥氏体材料( 316l )与贝氏体材料( 21 / 4cr1mo 、 21 / 4cr1mov )的疲劳裂纹扩展速率随着温度的升高而增大，且paris公式中的指数n变化不大。 |
