1) deep carburizing steel
深层渗碳钢
1.
The kinetics of austenite grain growth,structure and mechanical property of carburized case were studied on rare\|earth deep carburizing steel 20Cr2Mn2MoRE and were compared with 20Cr2Mn2Mo.
研究了稀土深层渗碳钢 2 0Cr2Mn2MoRE奥氏体晶粒长大动力学、渗层组织和力学性能 ,并与2 0Cr2Mn2Mo钢进行了比较。
2) deep carburizing
深层渗碳
1.
The application of low pressure vacuum carburizing technology and equipment under deep carburizing conditions were introduced,and It is pointed out that as a quick deep carburizing technology it can reduce process time and production cost as well as increase productivity substantially.
介绍了低压真空渗碳工艺和设备在深层渗碳条件下的应用 ,指出低压真空渗碳作为一种快速的深层渗碳技术 ,可显著缩短工艺时间 ,降低生产成本 ,提高生产
3) heavy case
深渗碳层
4) depth of carburizing case
渗碳层深度
1.
This paper searches the relation between the effective hardening layer and depth of carburizing case measured by the metallographic method.
通过理论分析和试验结果 ,讨论了几种典型渗碳齿轮用钢 ,采用不同淬火工艺参数对有效硬化层的影响 ,探讨了有效硬化层和金相法测量的渗碳层深度之间的关系 ,为齿轮现场生产检测提供了一定的参考依据。
2.
The results show that the difference between the metallographic method and hardness method is small, so we can adopt the metallographic method during heat treatment inspection of 20Cr steel; and the depth of carburizing case can be calculated from the outside face to where the pearlite contents are 50% when using metallographic method.
用金相法和有效硬化层深法测定 2 0 Cr钢渗碳后渗碳层深度 ,试验分析了与碳浓度梯度之间的关系。
5) carburized depth
渗碳层深度
1.
This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality.
比较了高风压钻头渗碳层深度的不同检验方法 ,并对其正确性和实用性进行了探讨。
2.
Induction voltage values of the eddy current testing coil with different carburized depths are calculated.
根据轴对称涡流电磁场有限元计算的基本原理,开发了有限元分析软件,计算了不同渗碳层深度时涡流检测线圈的感应电压。
6) case depth
渗碳层深度
1.
By using a nonlinear reducing of the data, a carbon distribution model and a mathematical model referring to the relationship between the case depth and the electromagnetic characteristics are built.
通过对渗碳层中碳的分布进行非线性回归处理 ,建立了渗层的碳分布模型及渗碳层深度与渗碳层中电磁特性之间的数学模型。
补充资料：渗碳钢
分子式：
CAS号：
性质：可经受渗碳淬火使表面硬度和耐磨性提高而心部保持适当强度和韧性的钢。其成分特点是低的含碳量，一般为0.1%～0.25%；主要合金元素有Ni、Cr、Mn等，辅助合金元素有W、Mo、V、Ti等。其热处理的特点是，对于低强度的15Cr和20Cr多则，渗碳后应直接淬火或二次淬火；中强度的20CrMnTi钢渗碳后应直接淬火；高强度的18Cr2Ni4W4钢渗碳后应采取空冷、高温回火，这样能使零件满足其在机械性能上的要求。渗碳钢主要用于制造齿轮、凸轮、活塞销等零件。
CAS号：
性质：可经受渗碳淬火使表面硬度和耐磨性提高而心部保持适当强度和韧性的钢。其成分特点是低的含碳量，一般为0.1%～0.25%；主要合金元素有Ni、Cr、Mn等，辅助合金元素有W、Mo、V、Ti等。其热处理的特点是，对于低强度的15Cr和20Cr多则，渗碳后应直接淬火或二次淬火；中强度的20CrMnTi钢渗碳后应直接淬火；高强度的18Cr2Ni4W4钢渗碳后应采取空冷、高温回火，这样能使零件满足其在机械性能上的要求。渗碳钢主要用于制造齿轮、凸轮、活塞销等零件。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条