| 1. | Retained austenite in steel - quantitative determination - method of x - ray diffractometer 钢中残余奥氏体定量测定x射线衍射仪法 |
| 2. | Effect of cryogenic and magnetic field cryogenic treatment on retained austenite in steels 钢的强韧化及深冷处理在冷挤压模上的应用 |
| 3. | Measuring retained austenite of carburize layer of low carbon alloys with x - ray diffraction method 射线衍射法测定渗碳钢中残余奥氏体 |
| 4. | Control and determination of retained austenite content in carburized and quenched alloy structural steels 合金结构钢渗碳淬火后渗层残余奥氏体的控制 |
| 5. | Standard practice for x - ray determination of retained austenite in steel with near random crystallographic orientation 近随机结晶定向钢中残留奥氏体的x射线测定标准实施规程 |
| 6. | The influences of isothermal quenching temperature on the retained austenite and mechanical properties of adi were studied 摘要研究了等温淬火温度对adi中残余奥氏体及其力学性能的影响。 |
| 7. | Abstract : a wear - resistant electrode used in high stress state is studied . by adjusting electrode ' s component , we find a alloy system which is suitable to shredders with hammer . microstructure and x - ray analyses indicate that the hardfacing microstructure consist of martensite , retained austenite and carbonide 文摘:研制了一种适用于高冲击条件下抗磨堆焊焊条,通过反复调整焊条药皮组成,找到了可应用于锤式破碎机锤头堆焊的合金系。 |
| 8. | The results show that , with the quenching temperature ( 270 ~ 380 ) increasing , the carbon content and percentage content of retained austenite increase first and then decrease , which are up to a maximum value at 360 ; the tensile strength of adi decreases ; the elongation and impact ductility of adi increase first and then decrease , which are up to a maximum value at 360 ; but the hardness of adi decreases first and then increases , which is up to a minimum value at 360 结果表明,在试验温度范围内( 270 ~ 380 ) ,试样中残余奥氏体的含碳量及其含量随着等温淬火温度的升高先增大后减小,均在360等温淬火时出现最大值;抗拉强度随着等温淬火温度的升高而逐渐降低;伸长率和冲击韧度随着等温淬火温度的升高先增大后减小,在360等温淬火时出现最大值;硬度则随着等温淬火温度的升高先减小后增大,当360温淬火时硬度最低。 |
| 9. | The results show that the solidification microstructure of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) contains of martensite , retained austenite structure , and mc , m6c , m2c carbides , and mc / m2c complex carbides by xrd , sem and metallographs . most of the mc carbides locate in the cell and other carbides distribute along the boundary of the cell 结果表明:经金相组织观察、 x射线衍射和扫描电镜分析, fe - 2 c - 4 v - 4 mo - 5 cr - x w合金系高速钢凝固组织包含马氏体基体、残余奥氏体及各种类型的碳化物如mc型碳化物、 m _ 2c型碳化物、 m _ 6c型碳化物和mc m _ 2c类型复杂碳化物,大部分mc型碳化物分布于晶粒内部,其它类型碳化物则沿晶界呈网状分布。 |