標準號：BS EN ISO 4498-2010
中文標準名稱：不包括硬質金屬的燒結金屬材料.視硬度和微硬度的測定
英文標準名稱：Sintered metal materials, excluding hardmetals - Determination of apparent hardness and microhardness
標準類型：H16
發布日期：2010/7/31 12:00:00
實施日期：2010/7/31 12:00:00
中國標準分類號：H16
國際標準分類號：77.040.10;77.160
適用范圍：1.1 This International Standard specifies methods of hardness testing of sintered metal materials, excludinghardmetals.1.2 Procedure 1 determines the apparent hardness of the whole material.Procedure 1? applies to sintered metal materials which have either not been subjected to any heat treatment, or whichhave been heat treated in such a way that the hardness is essentially uniform to a depth of at least 5 mmbelow the surface,? applies to the surfaces of sintered metal materials which have been treated in such a way that thehardness is not uniform in the section to a depth of 5 mm below the surface,? therefore applies to materials in which the hardness is obtained essentially by surface enrichment bycarbon, or by carbon and nitrogen (for example by carburizing, carbonitriding, nitrocarburizing orsulfidizing), and? applies to materials which have been induction hardened.1.3 Procedure 2 determines the microhardness of the metal phase.Procedure 2? applies to all types of sintered metal materials,? is used, in particular, to determine the hardness profile of case-hardened or carbonitrided materials inaccordance with the method described in ISO 4507, and? also applies to any sintered metallic materials which have been subjected to surface treatments such aselectrodeposited plating, chemical coating, chemical vapour deposition (CVD), physical vapour deposition(PVD), laser, ion bombardment, etc. To determine the microhardness of treated surfaces, Procedure 2applies.