| 1. | Cementite graphitization in fe - 2 . 3 si - 3 . 7c alloy 合金中渗碳体的石墨化 |
| 2. | Study on cementite graphitization in cast iron at high temperature 铸铁中渗碳体高温石墨化研究 |
| 3. | Influence of 19cn5 and 20crmnmo sulfurized after cementite on anti - freting performance 钢渗碳后硫化对摩擦磨损性能的影响 |
| 4. | The results indicated that low graphite spheroidization rate and free cementite were the main causes of poor mechanical property 试验结果表明,控制碳当量和球化剂加入量,采用瞬时孕育等可提高球化率;采用预热砂型等可减少渗碳体。 |
| 5. | Excessive imperfections even sub - grained boundaries may be introduced in cementite . this makes the accelerating dissolution and spheroidization of cementite easy . 5 由于渗碳体的强烈塑性变形,在其内部导入了大量的晶体缺陷甚至亚晶界。 |
| 6. | The main causes which lead to tensile abnormal fracture of swrh82b steel rods are the network cementite sod the big brittle inclusion 摘要通过对swrh82b盘条的拉伸断口进行分析,认为网状渗碳体和大颗粒脆性夹杂物等缺陷是引起断口异常的主要原因。 |
| 7. | 3 . on the present deformation condition , the cementite in pearlitic steel has more severe plastic deformation capability t - he max shear strain up to 1 . 9 . 4 C方式ecap变形条件使珠光体钢65mn中的渗碳体可以表现出很强的塑性变形能力? ?观察到的最大切变形达到1 . 9的等效真应变。 |
| 8. | For solving the problem of wear and tear of the bended tube of a coal powder boiler in the thermal power plant , the cementite pipe is substituted by the complex steel pipe lined with porcelain 摘要针对热电厂煤粉锅炉弯管存在的磨损问题,采用陶瓷钢铁复合管替换碳钢管,耐磨性提高,寿命延长30倍。 |
| 9. | The overall constitutive description for a pearlitic colony is derived from the combination of constitutive models respectively for ferrite and cementite phases and the geometric characteristics with a mixture theory 对典型珠光体双相材料bs11在复杂加载史下的响应特性的进行了分析,得到了与实验相吻合的结果。 |
| 10. | It is known that a pearlitic material is composed of numerous pearlitic colonies with randomly distributed orientations , and in each colony there are many parallel ferrite and cementite laminas arranged alternatively 珠光体材料为两相材料,它由大量随机取向的珠光体团组成,每一珠光体团由包含大量铁素体片和渗碳体片交互叠合而成。 |