纸和纸板静态弯曲挺度的测定二点、三点和四点方法一般原则

ISO 5628-2012

纸和纸板静态弯曲挺度的测定二点、三点和四点方法一般原则

Paper and board -- Determination of bending stiffness -- General principles for two-point, three-point and four-point methods

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适用范围：ISO 5628:2012 specifies three test methods for determining the bending stiffness of paper and paperboard. The test methods differ in the type of loading mode, thus giving rise to the two-point, three-point and four-point bending test methods. For paper and paperboard in a low thickness range, the two-point bending method and the three-point bending method are suitable. For corrugated fibreboard and board with a higher thickness, the four-point bending method is recommended. The measurement conditions are defined in such a way that the test piece is not subjected to any significant permanent deformation during the test, nor is the range of validity of the equations for calculating the bending stiffness exceeded. In these bending tests, the test pieces of paper and board are regarded as "beams" as defined by the science of the strength of materials.

发布日期： 2012-01-01

实施日期： 2012-01-01

中标分类号： Y30 - 轻工、文化与生活用品 - 造纸综合

ICS分类号： 85.060 - 造纸技术 - 纸和纸板

标准组织： ISO - 国际标准化组织标准

全文来源： WF

英文关键词： Bend testing Bending stiffness Board (paper) Definitions Determination Mathematical calculations Paper Testing

语种：汉语

页数： 10

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纸和纸板 静态弯曲挺度的测定 二点、三点和四点方法一般原则

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纸和纸板静态弯曲挺度的测定二点、三点和四点方法一般原则