采用热模拟技术研究了二次热循环对X80级管线钢焊接粗晶区性能的影响。
To study quadratic heat circulation to the effect of welding wide crystal area performance of X80 pipeline steel by adopting thermal simulation technology.
采用热模拟技术研究了X80管线钢在不同焊接热循环条件下晶粒及第二相粒子的变化。
Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
The influence of pre-heating temperature on organization and performance of X80 pipeline steel was investigated by weld thermal simulation technique and the instrumented Charpy impact toughness test.
采用多块嵌套结构动网格技术数值模拟了拦截导弹的热保护罩的二维分离过程。
Two-dimensional simulations about the separation of the interceptor missile shroud covers have been completed using moving multi-block chimera structure grid technique.
介绍了利用HYSYS流程模拟技术，通过采用定义虚拟组分来计算增设换热器换热面积的计算方法。
This paper introduces the method for calculating the heat exchange area of the new heat exchanger by adopting HYSYS process simulation technology and definition of virtue components.
采用焊接热模拟技术、显微组织分析和冲击试验的方法，研究了焊接线能量对X70管线钢焊接热影响区组织和低温韧性的影响规律。
The effect of welding line energy on microstructure and low temperature toughness of heat-affected zone(HAZ) of X70 pipeline steel was studied by welding thermal simulation method.
采用焊接热模拟技术、显微组织分析和冲击试验的方法，研究了焊接线能量对X70管线钢焊接热影响区组织和低温韧性的影响规律。
The effect of welding line energy on microstructure and low temperature toughness of heat-affected zone(HAZ) of X70 pipeline steel was studied by welding thermal simulation method.
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