ISO 9042-1988 钢 格点统计组分体积系数的人工点计数法

标准号：ISO 9042-1988
中文标准名称：钢 格点统计组分体积系数的人工点计数法
英文标准名称：Steels; manual point counting method for statistically estimating the volume fraction of a constituent with a point grid
标准类型：H40
发布日期：1999/12/31 12:00:00
实施日期：1988/12/15 12:00:00
中国标准分类号：H40
国际标准分类号：77.040.99
适用范围：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 the volume fraction is calculated.