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Surface Integrity in Micromilling of Hardened AISI D2 Tool Steel

机译:淬硬AISI D2工具钢中微米的表面完整性

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This paper presents workpiece surface integrity of micromilling hardened tool steel AISI D2. These include 3D mapping of surface texture, analysis of microstructure and microhardness variation. The results indicate no evidence of major surface damage such as microcracks, untempered/over-tempered martensite, phase transformations or white layer formation was detected in any of the specimens analysed. No discernible deformation of the material grain structure beneath the machined surface was observed. This was mainly attributed to the comparatively low levels of mechanical force and temperatures generated during the micro milling operation.
机译:本文介绍了Micromilling硬化工具钢AISI D2的工件表面完整性。 这些包括表面纹理的3D映射,微观结构和微硬度变化的分析。 结果表明,在任何分析的任何标本中,没有检测到微裂纹,无可渗透/过钢马氏体,相变或白色层形成的主要表面损伤的证据。 观察到在加工表面下方的材料晶粒结构的可辨别变形。 这主要归因于微铣削操作期间产生的相对低的机械力和温度。

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