ISO 9042-1988 标准详情
- 标准号:ISO 9042-1988
- 中文标题:钢 格点统计组分体积系数的人工点计数法
- 英文标题:Steels; manual point counting method for statistically estimating the volume fraction of a constituent with a point grid
- 标准类别:国际标准化组织标准ISO
- 发布日期:1988-12
Applies to constituents (a phase as well as a micrographic constituent composed of two or more phases) which are clearly identifiable. The point grid is superimposed a given number of fields of the observed surface. By counting the number of points t
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