实际晶粒度
- 网络actual grain size;Practical Grain Size
实际晶粒度-
过渡区为铁素体和珠光体，过渡区的宽度为50μm.不锈钢凝固层的实际晶粒度为5.8～6.3。
The width of the transition region is about 50 μ n ; the factor grain size of stainless layer is between 5.8 and 6.3 .
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提出了通过显示奥氏体实际晶粒度、裂纹形貌和扩展方式来分析热锻模具型腔表层塑性变形行为的试验方法。
This paper advanced a study method that can observe plastic deformation behavior of surface layer of die cavity by showing austenite grain , size , crack morphology and propagation mode .