淬火裂纹的组织特征是裂纹两侧无脱碳现象，明显区别与锻造裂纹和材料裂纹。
Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.
试生产的盘条组织性能稳定，脱碳层薄，晶粒细小，夹杂物含量低，表面质量良好。
The trial produced rod is with stable tissue, decarbonization film thin, crystal particle tiny, slag little, and surface quality better.
高锰钢的优良耐磨性能使其有广泛的应用范围，但在热处理过程中却难以保证所要求的显微组织，并容易引起脱碳、晶粒长大、裂纹和变形。
High manganese steel are widely used for its excellent abrasion resistance. However it is difficult to avoid defects of decarburization, grain growth, cracking and deformation during heat treatment.
此外，显微组织中网状、块状铁素体的存在以及螺纹表层脱碳使连接螺栓疲劳强度下降也是造成断裂的重要原因。
The existence of reticulation and mass shape ferrite, decarbonization at the screw thread surface layer which induced decline of fatigue strength of connecting bolt were also…
用相律解释了由实验得出的表面高碳钢发生全脱碳的温度与其金相组织的对应关系。
In this paper, relationship between full-decarbonisation temperature of high-carbon steel on surfaces and their phase structures have been explained with phase rule and Fe-Fe_3C phase diagram.
用相律解释了由实验得出的表面高碳钢发生全脱碳的温度与其金相组织的对应关系。
In this paper, relationship between full-decarbonisation temperature of high-carbon steel on surfaces and their phase structures have been explained with phase rule and Fe-Fe_3C phase diagram.
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