ISO 5754:2023 烧结金属材料（不包括硬质合金） 无切口冲击试样

标准编号：ISO 5754:2023

中文名称：烧结金属材料（不包括硬质合金） 无切口冲击试样

英文名称：Sintered metal materials, excluding hardmetals — Unnotched impact test piece

发布日期：2023-09

标准范围

本文件规定了烧结金属材料的无缺口冲击试件的尺寸。试验片可以通过压制和烧结直接获得，也可以通过加工烧结部分获得。本文件适用于所有烧结金属和合金，硬质合金除外。然而，对于某些材料（例如，具有低孔隙率的材料或具有高延展性的材料），可能更合适的是使用缺口测试件，在这种情况下，该缺口测试件将给出具有较少散射的结果。（在这种情况下，请参考ISO 148-1。）笔记？对于多孔烧结材料，根据本标准对无缺口试样进行冲击试验所得结果与在缺口试样上进行的固体金属试验所得结果不完全可比。

This document specifies the dimensions of an unnotched impact test piece of sintered metal materials. The test piece may be obtained directly by pressing and sintering or by machining a sintered part.

This document applies to all sintered metals and alloys, with the exception of hardmetals. However, for certain materials (for example, materials with low porosity or materials with high ductility), it may be more appropriate to use a notched test piece which, in this case, will give results with less scatter. (In this case, refer to ISO 148-1.)

NOTE            For porous sintered materials, the results obtained from impact tests on unnotched specimens according to this standard are not fully comparable with results obtained from tests on solid metals tested on notched specimens.

标准预览图