INTERNATIONAL STANDARD ISO 4545-1:2005(E)
Metallic materials — Knoop hardness test —
Part 1:
Test method
ISO 4545 consists of the following parts, under the general title Metallic materials —— Knoop hardness test:
ISO 4545-1:2005, Metallic materials — Knoop hardness test — Part 1: Test method
ISO 4545-2:2005, Metallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machines
ISO 4545-3:2005, Metallic materials — Knoop hardness test — Part 3: Calibration of reference blocks
ISO 4545-4, Metallic materials — Knoop hardness test — Part 4: Table of hardness values
標(biāo)準(zhǔn)狀態(tài)：已作廢
替代情況：被 ISO 4545-1:2017替代
Contents
Foreword
1. Scope
2. Normative references
3. Principle
4. Symbols and abbreviated terms
5. Apparatus
6. Test piece
7. Procedure
8. Uncertainty of the results
9. Test report
Annex A (informative) Procedure for periodic checking of the testing machine by the user
Annex B (informative) Uncertainty of the measured hardness values
Bibliography
1 Scope
This part of ISO 4545 specifies the Knoop hardness test method for metallic materials, for test forces from 0,098 07 N to 19,614 N. The method is recommended only for indentations with diagonals W 0,020 mm.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 4545-2:2005, Metallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machines
ISO 4545-3:2005, Metallic materials — Knoop hardness test — Part 3: Calibration of reference blocks
ISO 4545-4, Metallic materials — Knoop hardness test — Part 4: Table of hardness values
相關(guān)標(biāo)準(zhǔn)
國(guó)家標(biāo)準(zhǔn)GB/T 18449.1-2009 《金屬材料 努氏硬度試驗(yàn) 第1部分：試驗(yàn)方法》
本標(biāo)準(zhǔn)修改采用ISO4545-1:2005《金屬材料 努氏硬度試驗(yàn) 第1部分:試驗(yàn)方法》(英文版)。
本標(biāo)準(zhǔn)根據(jù)ISO4545-1:2005重新起草,根據(jù)我國(guó)的實(shí)際情況,本部分在采用國(guó)際標(biāo)準(zhǔn)時(shí)進(jìn)行了修改和補(bǔ)充。這些技術(shù)性差異用垂直單線標(biāo)識(shí)在它們所涉及的條款的頁邊空白處。
本標(biāo)準(zhǔn)結(jié)構(gòu)和技術(shù)內(nèi)容與ISO4545-1:2005基本一致,根據(jù)我國(guó)情況在以下幾方面進(jìn)行了修改:
——?jiǎng)h除了國(guó)際標(biāo)準(zhǔn)的引言;
——修改了國(guó)際標(biāo)準(zhǔn)的前言;
——將規(guī)范性引用文件中的國(guó)際標(biāo)準(zhǔn)轉(zhuǎn)化為對(duì)應(yīng)的國(guó)標(biāo);
——修改了附錄B硬度測(cè)量值的不確定度。
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