The results showed that the cracking on fish plate was mainly resulted from the grain coarsening of material.
结果表明，材料的原始晶粒粗大是产生裂纹的主要原因。
The grain coarsening behaviour towards the austenitic hot work tool steels has been studied by means of quantitative metallography.
本文用定量金相法分析和讨论了奥氏体热作工具钢的晶粒粗化行为。
The Influences of ti content on austenite gain size and grain coarsening temperature in medium-carbon boron steel have been investigated.
研究了钛含量对中碳硼钢奥氏体晶粒度及晶粒粗化温度的影响。
As carbon content increasing, the grain coarsening of CGHAZ is inhibited, thus, the impact toughness and fatigue strength are significantly improved.
随着C含量提高，焊接粗晶区中的晶粒粗化被抑制，因此，使得冲击性能和疲劳强度被明显提高。
The larger tension stress in the hydraulic turbine blades, grain coarsening in the heat-affected zone and the causticity of fluid medium are the major causes of cavitation erosion.
水轮机叶片有较大的工作应力、热影响区的晶粒粗大以及水介质的腐蚀性是产生机械腐蚀疲劳汽蚀的重要原因。
The improved model not only describes grain growth, but also describes coarsening of dendrite arms.
模型除了描述了晶粒的生长，同时还描述了枝晶臂的粗化。
Coarsening grain and intercrystalline network ferrite depress crack growth resistance of the materials strongly and result in unstable propagation of crack very easily.
晶粒粗大及晶间网状铁素体强烈降低材料的裂纹扩展阻力，并极易导致裂纹的失稳扩展。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
采用焊接热模拟试验和冲击试验，研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
采用焊接热模拟试验和冲击试验，研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
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